Document G7XQ91zMnavokRwYV79Dy2vN

FILE NAME Manville JMA DATE 1968-1977 DOC JMA393 DOCUMENT DESCRIPTION Weatherproofing Jackets - Letters & Product Literature mn November 26 1968 m Thorpe Products Company P. O. Box 33399 Houston Texas 77033 Attention Mr. M. P. Proctor Re Shamrock Inc. Asbestos Fibers Gentlemen The information in your letter of November 4 1968 was transmitted to our Environmental Control Department for reply This letter referred to the types of fibers used in the following insulation materials Thermobestos Superex No. 352 Cement Insulkote ST Insulkote ET DC Flexstone We have received the following reply which we discussed November 8 1968 As discussed in our phone conversation Friday November 8 1968 none of the materials listed in your letter contain crocidolite blue asbestos fiber The asbestos fiber in all of these products is chrysotile In addition Superex does contain some amosite asbestos fiber Neither I nor our the fiber referred Asbestos Fiber to as LTU Research Department is familiar a E. M. Fenner with If you have additional information on the LTU that we can trace it we shall be happy to do so Yours very truly B. L. RosS Insulation Engineer BLR CC M. C. E. M. H. M. W. P. T. W. J. M. File Parmley - Houston Fenner - Manville Research Ball - GHQ <weeanGZ Raines - GHQ Stockton - Houston Sharratt - Houston PRODUCED JM - 83 wa E. M. Fenner - Finderne Houston Office . November 7 1968 CC M. C. Parmley - Houston H. M. Ball DHQ C. E. J. A. T. W. J. M. File Ernst - DBQ Campbell Jr. - DHQ Stockton - Houston Sharratt - Houston ate ad poe . Sown.y THORPE PRODUCTS COMPANY - HOUSTON TEXAS ASBESTOS FIBERS - DIAMOND SHAMROCK INC Attached is a copy of information in regard insulation materials Thorpe's November 4 1968 letter requesting to the types of fibers used in the following Thermobestos No. 352 Cement Insulkote ST Insulkote ET C Flexstone Please advise if you are the types of fibers used familiar with the LTU referred in the insulations listed to and tete oo B. L. RosS BLR Note to C. E. Ernst and J. A. Campbell Please disregard my letter of November 6 1968 same subject It should have been directed to E. M. Fenner BLR +a PRODUCED JM - 83 THORPE DIVISION DIVISION DIVISION DIVSION DIVISION PRODUCTS COMPANY OF OF JT JT THORPE THORPE THORPE THORPE C O M DAN Y Distributors Distributors P. O. BOX 33377 or MI iNDUSTRIAL INSULATION 2391 HOUSTON TEXAS 17633 November , 1968 Johns P. O. Manville Manville Box 255 Sales Corporation Corporation Houston Texas 77001 RECEIVED RECEIVED RECEIVED NOV 5 5 1968 1968 Attention Mr. Bob Ross District Engineer Subject Shamrock Inc. Asbestos Fibers The above firm has requested information in regard to of asbestos fibers used in insulation materials which a Cy wy we > o >% ET , ST . : the types we furnish DC Florstone Florstone to them It seems that they are concerned about health hazards of such fibers as LTU and Crocidolite Please let us know what type of fibres N is currently using as well as any information you may have in regard to this problem THORPE COMPANY Slotfectio Slotfectio Slotfectio Slotfectio Slotfectio "" 11. P. Proctor MPP pb PRODUCED J-M 83 and for outdoor pipes Johns Johns Johns Johns Johns Johns Johns Johns Johns Manvile Manville Manville Manvile Manville Manvile Manville Manville Manville Manville Manville Manville Manville Manville Manville FLEXSTONE FLEXSFLTEXSOTONNE E FLEXSTF ONELFLEE XSTONE FX LEXSTS ONE T FLEXO STONENFLEE XSTONE OFF OFF FIRETARD FIRETARD FIRETARD FIRETARD FIRETARD FIRETARD FIRETARD JACKE JACKE JACKE sch acbieahbiltl ndeB tS hn senchn Brin. i msemaTd M DOUBLE COATED FLEXSTONE is a rugged heavy duty weatherproofing jacket especially recommended for the protection of insulation on outdoor pipes and small diameter cylindrical vessels It is composed of asphalt- saturated asbestos felt coated with a mineral- filled asphalt Correctly designed for long life Double Coated Flexstone jackets will not embrittle under prolonged exposure to sunlight Supplied in rolls 36 in wide each roll containing 108 sq ft and weighing 50 lbs M ASBESTOS FIRETARD is a weatherproof- ing jacket designed for use where resistance to the spread of fire is of primary importance Firetard is a lamination of heavy saturated asbestos felt and plain asbestos felt and affords excellent insulation pro- tection Because the unsaturated asbestos is incombus- tible it prevents flame from traveling along the surface of an insulated pipe line Recommended for weatherproofing outdoor pipes and small diameter vessels wher ever fire hazards are present Supplied in rolls 32 in wide each roll containing 108 sq ft and weighing 55 lbs Manville 22 EAST 40TH STREET NEW YORK 16 N. Y. fi OFFICES IN ALL LARGE CITIES CANADIAN MANVILLE COMPANY Mestral Ottawa Toranta Winnipeg Winnipeg Vancouver LTD Vancouver MANVILLE INTERNATIONAL CORPORATION New York Landon Buenos Aires PRODUCED JM - 83 . 68 A 1-55 : 2, TSO a NR EE he TEE RTE RE OSS STN TITANS PI ON + ERs RH Ere el et e HHS ww mee LITHO I. THORPE DIVISION PRODUCTS COMPANY OF JT JT THORPE COMPANY TRIBUTOR TRIBUTOR -- -- INDUSTRIAL INDUSTRIAL INDUSTRIAL INSULATION INSULATION p 90X 13399 MI 2 HOUSTON TEXAS 77033 November 4 1968 Johns Manville Sales Corporation P. O. Box 255 Houston Texas 77001 NOV 5 1968 1968 Attention Attention Mr. Bob Ross District Engineer Subject Shamrock Inc. Asbestos Fibers The above firm has requested information in regard to of asbestos fibers used in insulation materials which bes 65 Calea! | 3-2 \ 3-2 an ST.ET ST.ET \ ST.ET Florgen Florgen : Florgen the types . D we furnish to them It seems that they are concerned about health hazards of such fibers as LTU and Crocidolite Please let us know what type of fibres M is currently using as well as any information you may have in regard to this problem THORPE Sett Sett Sett Sett Sett 11. P. Proctor MPP pb . JUCED JUCED J-M 83 E. M. Fenner - Finderne Houston Office _ November 7 1968 Cc M. C. Parmley - Houston a re H. M. Ball - DHQ ~<Gvememggy W. P. Raines - GHQ C. E. Ernst - DHQ J. A. Campbell Jr. - DHQ T. W. Stockton - Houston J. M. Sharratt - Houston File THORPE PRODUCTS COMPANY - HOUSTON TEXAS ASBESTOS FIBERS - DIAMOND SHAMROCK INC fe st ie " Sr ey ue re oe! if ~ . TT eens A Attached is a copy of information in regard insulation materials Thorpe's November 4 1968 letter requesting to the types of fibers used in the following Thermobestos 4 Superex 9 No. 352 Cement Insulkote ST Insulkote ET | ae | | _ DC Flexatone Please advise if you are familiar with the LTU referred to and the types of fibers used in the insulations listed B. L. Ros8 BLR Note to C. E. Ernst and J. A. Campbell Please disregard my letter of November 6 1968 same subject It should have been directed to E. M. Fenner BLR PRODUCED JM - 83 os & maple ~~, pS! P UT TTTT VINCE INSULATIONS INSULATIONS M WEATHERPROOFING AND ACCESSORY MATERIALS WEAT e J! Nee \ / fs 4 tan met ee tae \ Central . ILANONI ILANONI V4 i! i IMAGRESIUCHTE IMAGRESIUCHTE ASBESTOCITE SHEETS - Strung Hexible sheets with a smooth hard surface formed under high pressure from asbestos liber and cement An incombustible finish or casing of large Asbestocite sheets can be quickly and easily applied over insu- lation un tanks or vessels INSULKOTE ET durable black weather- proof troweled coating for outdoor insu- _ lation made from asphalt emulsion containing wen ere and vessels a al protection protection of insulation on outdoor turki asbestos fiber and fillers Applied over mombustible insulation it does not approximately 55 sq ft dried dried dried dried thickness thickness thickness thickness thictkhniecksnsess . transmit a flame Coverage per 100 lb for 1. in 1/8 1/8 in e INSULKOTE ST For scaling Dashing Dashing and coating insulation and rooling felt surfaces It is a tough clastic asbestos liber filler and solvent asphalt with coating animum dying dying shrinkage Appled by troweling in place Coverage approximately 100 sq ft per 80 lb for 1.8 in thickness - DOUBLE COATED FLEXSTONE heavy saturated and crated asbestos felt for weather proof jackets on pipe insulation Weight approximately 50 li per square 108 sq ft JACKET ASBESTOS FIRETARD especially for fire hazard areas from abntds asbestos felts Fireland , Saturated and unsaturated dl weatherproof jacket will not carry flame flame or support combustion Weight approximately dh. 55 lb per square 108 sq ft Lesntuipdn WATERPROOFING ere FABRIC asphalt saturated saturated woven falais until as a membrane for outdoor 4 BashingBashing and linese NO 50 ASBESTOS WATERPROOFING FELT PLAIN An asphalt saturated asbestos felt for pipe jacketing lagging insulation on low temperature temperature Weight approximately 32 lb per square 108 sq ft Registered Manville Trade Mark e n 48 ates. PRODUCED JM - 83 wets WA ther ed ba ILMP GUTE Weatherproofing Jackets Asphalt Saturated Mineral Fiber Felts DESCRIPTION Manville Weatherproofing Jackets provide weather and fire protection for wide range of hot and cold insulation applica applica lions Made from asphalt impregnated and coated mineral fiber felts the comprehensive line of M Weatherproofing Jackets is furnished in various thicknesses and weights AVAILABLE TYPES Double Coated Flexstone An asphalt saturated mineral liber felt coated with a minerallilled asphalt A rugged heavy duty weatherproofing jacket Double Coated Flexstone will not embrijtic under prolonged exposure to sunlight Supplied in rails 36 wide each roll containing 1 square and with a nominal weight of 50 lbs per square Asbestos Firetard A lamination of heavy asphalt saturated mineral fiber felt and plain mineral felt designed to provide excellent fire resistance and high insulating efficiency Supplied in rolls 32 wide each roll containing 1 square and will a nominal weight of 55 lbs per square No. 50 An asphall saturated mineral fiber fell jacket designed for medium long life Supplied in rolls 36 wide each roll containing 2 squares and with a nominal weight of 60 lbs per 2 square roll No. 7700. An asphalt saturated and coated mineral fiber felt with a smouth outer surlace designed to be given a field coating of asphalt Supplied in rolls 36 wide each roll containing 2 squares and with a norminal weight of 72 lbs per 2 square roll No. 15 A lightweight asphalt saturated mineral liber fishing felt Supplied in rolls 36 wide each roll containing 4 squares and with a nominal weight of 60 lbs per 3 square roll No. 45 A heavy long lite asphalt saturated mineral fiber lell with sand finish Supplied in rolin 36 wide each rull orilaining 1 Square and with a nominal weight 42 5 lbs per square One bultstup per section will be supplied with No. 45 jackets USES M Weatherprooling Jackels are recom- mended for the protection of insulation on outdoor pipes and small diameter equipment J.M Asheslos Firetard jacket is specifically recommended where resistance to the spread of tire is of primary importance ADVANTAGES Wide Jacket Selection Six different jackets pro- vide a choice to meet specific job requirements * Awartaabies perforatorj J- 8 M 3 3 -Tradename FLEXSTONE registered in on 10/09/17 118,881 -Finished product specs in folder U.S. PRODUCT INFORMATION SHEET NAME A Weather Proofing Jacket Double Coated Flexstone PRODUCED PRODUCED J-M83 PRODUCT DICTIONARY DESCRIPTION an saturated asbestos felt coated with mineral asphalt Will not embrittle under prolonged exposure ~~~ PHYSICAL CHARACTERISTICS INDENDED APPLICATION used for fire protection and weather proofing an insulation protection on outdoor or underground pipes & small diameter equipment ; 8 ASBESTOS Flexstone 35 TYPE ASBESTOS Chrysotile OTHER INGREDIENTS Asphalt TYPE PACKAGING finished product specification sheets in folder DATES LABELLED Flexstone 7/1/70 A PLACES MANUFACTURED Manville Plant DATES MANUFACTURED SUBSTITUTE PRODUCTS 1929 to present STUDIES ON PRODUCT in folder SEE Report by Applied Research ; Laboratorza - CROSS REFERENCE Flexstone and Asbestos Firetard Jacket sample in folder M CONTACTS Most knowledgeable person 1947 Muna Muna DAIGN DAIGN DAIGN Trade Names of % Magnesia and Related Products PRODUCT % Magnesia insulatis~-n Audiomaceous silica insulation Asphalt satoried asbestos Fomidtog fyits fyits TRADE NAME Carey 8912 Magnesic Threr's %% Magnesta 1521 Magnesia 8 M. Teatherweight 85 MagovNLI Pabuni Precision ' Modded 84 Magnesta Hi Temp Induro Superca My My Beings Prasen High Temperature Wh^ngKisp Ashesives Lacket ( misaturated on bode sides HlackHlack Top Asbestos Asbestos Jacket Jacket Asbestos Grapesing Linish Emu asphalt coating Double Su A Minkote SanalosSanalos Asbestos Asbestos smoothe nateel Huilen Felt usatul with mina sanded surface Douldy Coated Coated Ulystone Ulystone Asbestos Firetard facker unsaturated outer M. Sailly Saturated Asbestos Jacket Asplah Saturated Rosoling Feli surface MANUFACTURER The Phily Carey Manufactutiop Company Thret Magnesia Mamifacioring Conqaisy Conqaisy Julius Manville Manville Corporation Keasbey & Mansont fotpany footpany The Parathne Companies Jou The Philip Catey Manulapuring Manulapuring Company Thret Magnesti Manufacturing Company Company Je^ urs Manville furpuration Kossbyy & Multisism Company Company The Parathne Companies Inc. The Philip Catey Masn^>facturing Company Company Mapnesta Mutufachrong Mutufachrong Company Johns Manville Corporation Keasbey & Martison Company The Pacatur Companies Inc. -sphalt and asbestos plastic coatings emenis Thermotex R Fibeckote Fibeckote Insulkate Laverkine ce No. 403 insulating and finishing 1.1 20. F^sishing Cement long fiber medium hard No 100 bard finishe P.K. White Cement roughing and finishing N 150 insulating and finishing Nu 105 final hard finish No. 302 insulating and finishing No. 440 insulating and finishing No. 352 insulating and hunishing Amblerex No. 2 Asbestos Cement K & M No. 152. Asbestos Finishing Cement . Standard Adiestor Cement Finish Cement The Pulp Cares Manufacturing Company About Migznesia Migznesia Monidacturing Monidacturing Company Company Foslons Maus alle Carpistaitoau Carpistaitoau Carpistaitoau The Parathine Esinpanies Esinipanies Inc. The Philip Carey Manufacturing Manufacturing Company Thret Magnesta Manufacturing Company " Juhns Manville Curporation " Keasbey & Mattison Company The Paratline Companies Inc. / ^' e UM r / Manville Sales Corporation Oo Caryl Ranch Denver Colorado 80217 303 979-1000 September 26 1977 Mr. Peter Foreman US US Department of Labor Occupational Safety and Health Administration Leo W O'Brien Federal Building Room 132 . Clinton Avenue & No. Pearl Street Albany New York 12207 Dear Mr. Foreman On August 30 I wrote to inform you that I had been to to take micro air samples for asbestos airborne fibers Alibn any Manville's firetard jacketing The laboratory results have been returned to me and all samples were well below the present standard I will give a description of the sampling situation and the exact results in Three samples numbers 1 2 and 3 were taken the Albany warehouse in the immediate area that the jacketing was stacked The two warehouse workers were doing their normal work duties while the testing was in progress Samples 4 numbers and 5 were taken at the General Electric plant located in Waterfort The pumps were secured to the workers with the filters positioned in their breathing zones Operator wearing sample number 4 was working on the ground and removed the outside paper with a five inch knife -- -- continued to unroll the jacketing and cut it into strips of four feet The strips were then hoisted by rope to the operator wearing sample number 5 who twelve foot scaffold He secured the THERMO pipe insulation with copper was working on a jacketing around wire The results of the tests are as follows Sample Number Test Results Humber 1 Number 2 Number 3 Number 4 Number 5 ; .1 cc .1 .1 .1 ..0011 PRODUCED J-M 83 au oe . ya oe ya; Mr. Peter September Page 2 Foremani 26 1977 our The existing standard for asbestos is 2.0 cc and results were well below the standard test If you have any questions on the above please call me in Denver at 303 979-1000 Ext 3200 Yours very truly ' - F A Vite Manager Health and Safety Industrial Products Division Contracts CC W Waller Manville Albany NY PC PC Mottern Manville N. Pelham NY NY ~s a ey s oeid nh <-, oeH.tan eBoe pete<. * : gite; BL e PRODUCED JM - 83 Manville PRODUCT INFORMATION type Feit temp limit 250F M WEATHERPROOFING JACKETS . * ad hs eee . - - oe e DESCRIPTION Manville produces a complete line of weatherproofing jackets for every hot and cold insulation requirement Most are made from asbestos felts which are saturated and coated with asphalt These jackets in various thicknesses and weights may be used for fire protection as well as weatherproofing purposes availabLE TYPES Double Coated Flexstone An saturated asbestos felt coated with a mineral asphalt Designed for long life and extra heavy weatherproofing Will not embrittle under prolonged exposure to sunlight Supplied in rolls 36 in wide each roll containing 1 square and weighing 50 lbs Asbestos Firetard A weatherproofing jacket designed for use where resistance to the spread of fire is of primary importance Firetard is a lamination of heavy saturated felt and plain as- best falt and affords excellent insulation bet SPNDTISSES Ns - Dustbie Dustbie prevents Alme from travoung along the surface of an insulated pipe line Supplied in rolls 32 in wide each roll containing 1 square and weighing 55 lbs No. 50 An saturated asbestos felt jacket designed for medium long life Supplied in rolls 36 in wide each roll containing 2 squares and weighing 32 lbs per square 56 No. 7700 An saturated and coated asbes- tos felt with a smooth outer surface Good weather- proofing jacket designed to be given a field coating of asphalt Supplied in rolls 32 in wide each roll containing 2 squares weighing 35 lbs each No. 15 A lightweight saturated asbestos finishing felt Supplied in rolls 36 in wide each roll containing 3 squares and weighing 15 lbs per square White Surface Asbestos ply asbestos felt consisting of two inner layers saturated and one outer layer unsaturated Features fire resistance and medium life Supplied in rolls 32 in wide each roll containing 1 square and weighing 53 lbs No. 45 saturated asbestos felt with a sand finish A heavy long life weatherproofing jacket supplied in rolls 36 in wide each roll containing 1 square and weighing 42 lbs No. 55 saturated and coated organic felt Heavy weatherproofing jacket supplied in rolls 36 in wide each roll containing 1 square and weighing 55 lbs es No. 15.2 Auchulaturated Auchulaturated Auchulaturated Auchulaturated a a and and inted inted inted ees organic organic organic Most Pn Tae fs LC me . Ss + sae such roil containing 1 square and weighing 45 lbs No. 30 saturated organic felt for light weatherproofing protection Supplied in rolls 36 in wide each roll containing 2 squares and weighing 30 lbs per square E No. 15 saturated organs felt which gives very light protection against weather Susp plied in rolls 36 in wide each roll containing 4 squares and weighing 15 lbs per square Note This felt when furnished by Pittsburg Cal plant comes in rolls containing 3 squares } * Available perforated PRODUCED J-M 83 12/60 12/60 ISSORIES With all applied jackets enough 16 gauge galvanized wire and M aptite asphalt cement to seal joints will be furnished In addition a butt strip of the same jacket material 7 in wide and having the same circumferential length as the jacket will also be supplied USES Especially recommended for weather proofing insulated outdoor piping and small diameter equipment 6 ren oers + ne eae wm ~ COMPLIANCE WITH mien GOVERNMENT SPECS iee em e e in: - Se ere BM ADVANTAGES : Wide Jacket Selection Eleven different jackets give user a choice to meet every requirement ~ Factory Applied | a | All M weatherproofing jackets can be furnished applied thus eliminating the necessity of separate application at the job site ee Ce re oe No. 15 perforated or unperforated complies with 185 Type I perforated Class A and Type H plain Class A. No. 15 complies with 191a Type I. No. 30 complies with 191a Type II No. 15 from Waukegan plant only complics with 201 Type . Cr FACTORY JACKETS FOR EVERY PURPOSE 4 ee In addition to its line of weatherproofing jackets Johns- Manville manufactures jacketing materials for every com~* ee mercial and industrial purpose These materials which include kraft paper canvas asphalt felts asbestos felts and aluminum can be furnished applied to M Thermo- aet vr bestos calcium silicate pipe insulation The felts paper and =, canvas can also be applied to M 85 Magnesia , and M Superex pipe insulations All can be supplied in roll form for large area protection or for field application - Ce SHORT FORM SPECIFICATIONS WEATHERPROOFED OUTDOOR PIPING All out- door pipe insulation shall be finished with a weatherproof jacket of fill name ) All joints shall be lapped at least horizontal joints lapping downward to shed water ongitudinal laps on vertical pipe shall be sealed with M Laptite All other joints shall be left unsealed The jacket shall be secured with loops of No. 16 galvanized wire applied on not greater than centers or ; ^ 0.015 corrosion metal bands and clips applied on not greater than 6 centers with one loop on each end lap or two on each " butt strip WEATHERPROOFED FITTINGS On pipe bends fittings and flanges the jacket shall lap about " over the mastic weatherproofing Note See data sheet on M Insulkote weather protective coatings for specifications on bends fittings and flanges FIRE PROTECTION Where fire hazard must be considered due to the fact that flame may be car- ried along exposed piping when fire occurs adjacent to such lines a retarded weatherproof jacket of Asbestos Firetard shall be applied UNDERGROUND PIPING All pipe insulation in underground tunnels or conduits shall be protected from water submersion with a No. 50 asbestos weatherproof felt perforated All joints shall be lapped about 1 and left unsealed Longitudinal laps shall be located on top of pipe to permit ready escape of steam after submersion >fi| 7 . . . . . . . . An Insulation for Every CommercialCommercial and Industrial PRODUCED Kad twee ae oo a ned 3 - ? ; type Felt ; temp limit 250F M WEATHERPROOFING JACKETS @ DESCRIPTION Manville produces a complete line of weatherproofing jackets for every hot and cold insulation requirement Most are made from asbestos felts which are saturated and coated with asphalt These jackets in various thicknesses and weights may be used for fire protection as well as weatherproofing purposes @ AVAILABLE TYPES Double Coated FlexstonefiAn saturated asbestos felt coated with a mineral asphalt Designed for long life and extra heavy weatherproofing Will not embrittle under prolonged exposure to sunlight Supplied in rolls 36 in wide each roll containing 1 square and weighing 50 lbs Asbestos FiretardfiA weatherproofing jacket designed for use where resistance to the spread of fire is of primary importance Firetard is a lamination of heavy saturated felt and plain asbestos felt and affords excellent insulation protec- tion Because the unsaturated asbestos is incom- bustible it prevents flame from traveling along the surface of an insulated pipe line Supplied in rolls 32 in wide each roll containing 1 square and weighing 55 lbs No. 50 An saturated asbestos felt jacket designed for medium long life Supplied in rolls 36 in wide each roll containing 2 squares and weighing 32 lbs per square No. 7700 An saturated and coated asbes- tos felt with a smooth outer surface Good weather- proofing jacket designed to be given a field coating of asphalt Supplied in rolls 32 in wide each roll containing 2 squares weighing 35 lbs each No. 15 A lightweight saturated asbestos finishing felt Supplied in rolls 36 in wide each roll containing 3 squares and weighing 15 lbs per square White Surface Asbestos ply asbestos felt consisting of two inner layers saturated and one outer layer unsaturated Features fire resistance and medium life Supplied in rolls 32 in wide each roll containing 1 square and weighing 53 lbs No. 45 saturated asbestos felt with a sand finish A heavy long life weatherproofing jacket supplied in rolls 36 in wide each roll containing 1 square and weighing 42 lbs No. 55 saturated and coated organic felt Heavy weatherproofing jacket supplied in rolls 36 in wide each roll containing 1 square and weighing 55 lbs No. 45 saturated and coated organic felt for medium weatherproofing protection Supplied in rolls 36 in wide each roll containing 1 square and weighing 45 lbs No. 30 saturated organic felt for light weatherproofing protection Supplied in 10lls 36 in wide each roll containing 2 squares and weighing 30 lbs per square No. 15 saturated organic felt which gives very light protection against weather Sup- plied in rolls 36 in wide each roll containing 4 squares and weighing 15 lbs per square Note This felt when furnished by Pittsburg Cal plant comes in rolls containing 3 squaresPRODUCED * Available perforated PRODUCED J-M 83 Manville n PRODUCT INFORMATION type Felt temp limit 250F ans is {aes ane ae yf AN Pee, fa tes, Wes ; lite hae 40 4?! my AJ ASAT. M WEATHERPROOFING JACKETS DESCRIPTION Manville produces complete line of weatherproofing jackets for every and cold insulation requirement They They are made from asbestos felts which are saturated and coated with asphalt These jackets in various thicknesses and weights may be used for fire protection as well as weatherproofing purposes AVAILABLE TYPES Double Coated Flexstone An saturated asbestos felt coated with a mineral asphalt Designed for long life and extra heavy weatherproofing Will not embrittle under prolonged exposure to sunlight Supplied in rolls 36 in wide each roll containing | square and with a nominal weight of 50 lbs per square Asbestos Firetard A weatherproofing jacket de- signed for use where resistance to the spread of fire is of primary importance Firetard is a lamination of heavy saturated felt and plain asbestos felt and affords excellent insulation protection Because the unsaturated asbestos is incombustible it prevents flame from traveling along the surface of an insulated pipe line Supplied in rolls 32 in wide each roll containing I square and with a nominal weight of 55 lbs per square No. 50 An saturated asbestos felt jacket designed for medium long life Supplied in rolls 36 in wide each roll containing 2 squares and with a nominal weight of 65 lbs per 2 square rull No. 7700 An saturated and coated asbes- tos felt with a sminth outer surface Good weather prooling jacket designed to be given field coating of asphalt Supplied in rolls 32 in wide each roll containing 2 squares and with a nommal weight ol 70 lbs per 2 square rull No. 15 A lightweight saturated asbestos linishing tell Supplied in rolls 36 in wide each roll containing 3 squares and with a nominal weight of 45 lbs per 3 square roll No. 45 saturated asbestos felt with a sand finish A heavy long life weatherproofing jacket supplied in rolls 36 in wide each roll con_ taining | square and with a nominal weight of 42.5 Ibs per square * Available perforated PRODUCED JM - 83 $4ACCESSORIES One buttstrip per section will be supplied with Ne 45 jackets wire or cement will be included MUSES Especially recommended for weather prooling insulated outdoor piping and small di- ameter equipment ADVANTAGES Wide Jacket Selection Six dillerent jackets give user a choice to meet every requirement | ' Factory Applied ' No. 45 weatherproofing jacket can applied thus eliminating the separate application at the job site be furnished necessity of COMPLIANCE WITH GOVERNMENT SPECS No. 15 perforated or unperforated complies with 185 Type perforated Class A and Type I plain Class A. SHORT FORM SPECIFICATIONS WEATHERPROOFED OUTDOOR PIPING All out- door pipe insulation shall be finished with a weath- erproof jacket of fill name All joints shall be lapped at least horizontal joints lapping downward to shed water Longitudinal laps on vertical pipe shall be sealed with M Laptite All other joints shall be left unsealed The jacket shall be secured with loops of No. 16 galvanized wire applied on not greater than 4 centers or 12 x 0.015 corrosion metal bands and clips applied on not greater than centers with one loop on each end lap or two on each " butt strip WEATHERPROOFED FITTINGS On pipe bends fittings and flanges the jacket shall lap about " over the mastitcype weatherproofing Note See data sheet 30 M Insulkote weather protective coat- ings for specifications on bends fittings and flanges FIRE PROTECTION Where fire hazard must be considered due to the fact that flame may be car- ried along exposed piping when fire occurs adjacent to such lines a retarded weatherproof jacket of Asbestos Firetard shall be applied UNDERGROUND PIPING All pipe insulation in underground tunnels or conduits shall be protected from water subinersi^n with'a No. 50 asbestos weatherproof felt perforated All joints shall be lapped about 1 and left unsealed Longitudinal - laps shall be located on top of pipe to permit ready escape of steam after submersion 3027 6/72 Manville Greenwood Plaza Denver Colorado 8021 Sales Officer in Principal Gators PRODUCED - JM - 83 LITHO IN S.A. 9 i; carer Senay aed AI, AK Bae A hota oh, Abe TYPE FELT T~ MPLIMIT 250F J.M Weatherproofing Jackets DESCRIPTION Manville produces a complete line of weatherproofing jackets for every hot and cold insulation requiremeTnhety are made from asbestos felts which are satu- rated and coated with asphalt These jackets in various thicknesses and weights may be used for fire protection as well as weatherproofing purposes AVAILABLE TYPES Double Coated Flexstone An saturated asbestos felt coated with a mineral as- phalt Designed for long life and extra heavy weatherproofing Will not embrittle under prolonged exposure to sunlight Supplied in rolls 36 in wide each roll containing 1 square and with a nominal weight of 50 lbs per square Asbestos Firetard A weatherproofing jacket designed for use where resistance to the spread of fire is of primary importance Firetard is a lumination of heavy saturated fell and plain asbestos felt and affords excellent insulation protection Because the unsaturated asbestos is incombustible it prevents flame from traveling along the surface of an insulated pipe line Supplied in rolls 32 in wide each roll containing 1 square and with a nominal weight of 55 lbs per square No. 7700 An saturated and coated asbestos felt with a smooth outer surface Good weatherproofing jacket designed to be given a field coating of asphalt Supplied in rolls 36 in wide each roll containing 2 squares and with nominal weight of 72 lbs per 2 square roll No. 45 saturated asbestos felt with a sand finish A heavy long life weatherproofing jacket supplied in rolls 36 in wide each roll containing 1 square and with a nominal weight of 42.5 lbs per square USES Especially recommended for weather prooling insulated outdoor piping and small diameter equipment ADVANTAGrs ADVANTAGrs Wide Jacket Selection four different jackels give user choice to meet every requirement * Avada~ ~-lp~erfo-ratech perforatech perforatech PRODUCED JM - 83 yy 3027 < 76 Weatherproofing Jackets Short Form Specifications WEATHERPROOFED OUTDOOR PIPING Ail outdoor pipe insulation shall be finished with a weatherproof jacket of fill in name All joints shall be lapped at least 3. horizontal joints lapping downward to shed water Longitudinal laps on vertical pipe shall be sealed with M Laptite All other joints shall be left unsealed The jacket shall be secured with loops of No. galvanized wire applied on not greater than 4 centers or x 0.015 corrosion resistant metal bands and clips applied on not greater than 6 centers with one loop on each end lap or two on each 7 butt strip WEATHERPROOFED FITTINGS On pipe bends fittings and flanges the jacket shall lap about 4 over the mastic weatherproofing Note See data sheet on M Insulkote weather protective coatings for specifications on bends fittings and flanges FIRE PROTECTION Where fire hazard must be considered due to the fact that flame may be carried along exposed piping when fire occurs adjacent to such lincs a retarded weatherproof jacket of Asbestos Firetard shall be applied UNDERGROUND PIPING All pipe insulation in underground tunnels or conduits shall be protected from water submersion with a No. 45A asbestos weatherproof felt perforated All joints shall be lapped about 1and left unsealed Longitudinal laps shall be located on top of pipe to permit ready escape of steam after submersion For Information on other M Thermal Insulations and Systems Write the Manville Insulation Center Drawer 17L Denver Colorado 80217 or Call 303 770-1000 Ext 3111 JM Manville P.O. Box 5108 Denver Colorado 80217 Sales Offices in Principal Cities 3027 676 PRODUCED JM - 83 ' Lihom USA ------- ------- - ed DINLI DINLI TEMP 250F Weatherproofing Jackets Asphalt Saturated Mineral Fiber Felts DESCRIPTION Manville Weatherproofing Jackets provide weather and fire protection for a wide range of lot and cold insulation applications Made from asphalt impregnated and coated mineral fiber felts the comprehensive line of M Weatherproofing Jackets is furnished in various thicknesses and weights AVAILABLE TYPES Double Coated Flexstone An asphalt saturated mineral fiber felt coated with a mineral asphalt A rugged heavy duty weatherproofing jacket Double Coated Flexstone will not embrittle under prolonged exposure to sunlight Supplied in rolls 36 wide each roll containing 1 square and with a nominal weight of 50 lbs per square Asbestos A Firetard lamination of heavy asphalt saturated mineral fiber felt and plain mineral felt designed to provide excellent fire resistance and high insulating efficiency Supplied in rolls 32 wide each roll containing 1 square and with a nominal weight of 55 lbs per square No. 50 An asphalt saturated mineral fiber lett jacket designed for medium long life Supplied in rolls 36 wide each roll containing 2 squares and with a nominal weight of 60 lbs per 2 square roll No. 7700. An asphalt saturated and coated minera fiber feit with a smooth outer surface designed to be given a field coating of asphalt Supplied in rolls 36 wide each roll containing 2 squares and with a nominal weight of 72 lbs per 2 square roll No. 15 A lightweight asphalt saturated mineral fiber finishing felt Supplied in rolls 36 wide each roll containing 4 squares and with a nominal weight of 60 lbs per 3 square roll No. 45A heavy long life asphalt saturated mineral liber felt with a sand finish Supplied in rolls 36 wide each roll containing 1 square and with a nominal weight 42.5 lbs square One buttstrip per section will be supplied with No. 45 jackets USES M Weatherprooting Jackets are recom mended for the protection of insulation on outdoor pipes and small diameter equipment M Asbes- tos Firetard jacket is specifically recommended where resistance to the spread of fire is of primary importance ADVANTAGES Wide Jacket Selection Six different jackets provide a choice to meet specific job requirements " Avinkalite perlotaleel perlotaleel PRODUCED JM - 83 31 3/16 UM Manville TYPE FELT TEMP LIMIT 250F M Weatherproofing Jackets DESCRIPTION Manville produces a complete line of weatherproofing jackets for every and cold insulation requirement They are made from asbestos felts which are saturated and coated with asphalt These jackets in various thicknesses and weights may be used for fire protection as well as weatherproofing purposes AVAILABLE TYPES Double Coated Flexstone An saturated asbestos felt coated with a mineral as- phalt Designed for long life and extra heavy weatherproofing Will not embrittle under prolonged exposure to sunlight Supplied in rolls 36 in wide each roll containing 1 square and with a nominal weight of 50 lbs per square Asbestos Firetard A weatherproofing jacket designed for use where resistance to the spread of fire is of primary importance Firetard is a lamination of heavy saturated felt and plain asbestos felt and affords excellent insutation protection Because the unsaturated asbestos is incombustible it prevents flame from traveling along the surface of an insulated pipe line Supplied in rolls 32 in wide each roll containing 1 square and with a nominal weight of 55 lbs per square No. 7700 An saturated and coated asbestos felt with a smooth outer surface Good weatherproofing jacket designed to be given field coating of asphalt Supplied in rolls 36 in wide each roll containing 2 squares and with a nominal weight of 72 lbs per 2 square roll No. 45 saturated asbestos felt with a sand finish A heavy long life weatherproofing jacket supplied in rolls 36 in wide each roll containing 1 square and with a nominal weight of 42.5 lbs per square USES Especially recommended for weather proofing insulated outdoor piping and small diameter equipment ADVANTAGES Wide Jacket Selection Four different jackets give user a choice to meet every requirement Available perforated 30276 76 os November 26 1968 Ao thes ~fl wt Thorpe Products Company Houston Texas 77033 Attention Mr. M. P. Proctor Re Shamrock Inc. Asbestos Fibers Gentlemen The information in your letter of November 4 1968 was transmitted to our . Environmental Control Department for reply This letter referred to the types of fibers used in the following insulation materials Thermobestos Superex No. 352 Cement Insulkote ST Insulkote ET DC Flexstone We have received the following reply which we discussed November 8 1968 As discussed in our the materials listed fiber The asbestos phone conversation Friday November 8 1968 none of in your letter contain crocidolite blue asbestos fiber in all of these products is chrysotile In addition Superex does contain some amosite asbestos fiber Neither I nor our Asbestos Fiber Research Department is familiar with the fiber referred to as LTU // E. M. Fenner If you have additional information on the LTU that we can trace it we , shall be happy to do so . Yours very truly B. L. Ross Insulation Engineer BLR CC M. C. E. M. H. M. W. P. T. W. J. M. File Parmley - Houston Fenner - Manville Research Ball - GHQ Raines - GHQ Stockton - Houston PRODUCED Sharratt - Houston JM - 83