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Insulation Armstrong Cork Company BuUdint Materials Division Lancaster Pennsylvania Albany Atlanta Baltimore Birmingham Boston Buffalo Charlotte Chicago Cincinnati Cleveland Columbus Dallas Detroit Hartford Montreal. Que. Offices Houston Indianapolis Jacksonville Kansas City Los Angeles Louisville In Canada Toronto, Ont. Memphis Milwaukee Minneapolis New Orleans New York Philadelphia Pittsburgh Winnipeg, Man. Providence Richmond Rochester St. Louts San Francisco Tulsa Washington, D.C. Distributors Charleston 23, W. Va.-------------- Capital City Supply Co. Portland 4, Ore~-_______ Asbestos Supply Co. of Oregon Denver, Colo.Stearns-Roger Manufacturing Co. Eau Claire, Wis___________ _____ _____Horel-George Co. Ek Paso, Texas.................... .......... .... tiles Co. Fort Watnb, Ind______ Asbestos & Asphalt Products Co. Glendale, N. Y2___________________ Charles M. Trojahn Grand Rapids, Mich____ Tony Batenburg Insulation Co. San Antonio, Tex---------------------General Supply Go., Inc. Seattle 4, Wash.Asbestos Supply Co. of Seattle South Bend 23, Ind----Asbestos k Asphalt Products Co. Spokane 8, Wash_______ Asbestos Supply Co. of Spokane Springfield, Mass.________________Johnson Asbestos Co. Joplin, Mo__Joplin Cement Co. Little Rock, Ark............... Fischer Cement k Roofing Co. Manitowoc, Wra. Northwestern Asbestos and Cork Insulation Co. Springfield, Mo.Southwestern Insulation Co. Tacoma 2, Wabh.,,.Asbestos Supply Co. of Tacoma Terre Haute. Ind........ ...... .................. The Hartmann Co. For detailed technical information, samples, and descriptive literature, ask any office or distributor. Specifications appear in Sweet's Catalogs for Architects and for Engineers and Contractors. PRODUCTS--Armstrong's Corkboard, Cork Covering, Mineral Wool Board-- Foamglas,* Heat Insulations, Armstrong's Insulating Refracto ries, Vibracork,** Cushiontone,** Temlok,** Insulation Sundries. Corkboard The thermal conductivity of Armstrong's Corkboard is 0.27 Btu per hour, per degree temperature difference, per inch thickness at 60F mean temperature. It isfumished in rigid boards 12 in. x 36 in., 18 in. x 36 in., 24 in. x 36 iii. and 36 in. x 36 in., in 1 in., in., 2 in., 3 in., 4 in., and 6 in. thick nesses. Armstrong's Corkboard conforms In all details to Federal Specification HH-C-561b, July 26, 1941 Cork Covering Armstrong's Cork Covering is made of pure cork in sizes to fit all standard pipe sizes. The inside surfaces of each piece are machined to assure an accurate fit, free from moisture-catching air pockets. Cork ' covering is rigid and will not sag. Thick nesses are: Ice Water (1.20 in. to 1.93 in:); Brine (1.70 in. to 3.00 in.); and Special Thick Brine (2.63 in. to 4.00 in.). Armstrong's Fitting Covers are rigid and are_ designed to fit accurately all types of standard ammonia and extra heavy fittings, screwed, Banged, and welded. Mineral Wool Board Armstrong's Mineral Wool Board equals or exceeds Federal Specification HH-M371a for board or block form insulation; has low thermal conductivity; is moisture resistant, odorless; is easily handled and erected; possesses structural strength. Standard size if in. x 36 in.; thicknesses 1 in., 1H in., 2 in., 3 in., 4 in. Foamglas Foamglas has a closed cellular structure which will not permit passage of air or moisture. It is efficient, moistureproof, fireproof, and offers effective, lasting insu lation. This new type of insulation is made in standard 12 in. x 18 in. blocks; thick nesses 2 in., 3 in., 4 in., 4^ in., 6 in. It may be used to insulate refrigerated stor age rooms and equipment. Heat Insulation The Armstrong Cork Co. distributes and offers contract service on a complete line of high temperature insulations. In cluded are: 85 per cent magnesia blocks and' pipe covering; high temperature blocks and pipe covering; air cell blocks, sheets, andpipe covering; wool felt; hair felt; etc. Engineering and Contract Service All Armstrong offices and distributors maintain skilled erection crews. For aid in the solution of any technical problems involving insulation, isolation, or acousti cal treatment, and for literature and prices, get in touch with an Armstrong district office or distributor or the Arm strong Cork Co., Building Materials Division, Lancaster, Pa. Reg. U. i>. Patent Office. Product Mfg. by Pittsburgh Corning Corp. Reg. U. S. Patent Office. 1248 Insulation TRENTON, N. J. Baldwin-Hill Co. 549 Klagg Avenue, Trenton 2, N. J. Plants in KALAMAZOO, MICH. HUNTINGTON, IND. INSULATING CEMENT A plastic insulation pro duced from high-tempera ture-resisting, nodulated B-H black Rockwool com bined with high-grade, longfibre asbestos and colloidal clay. Effective up to 1800 F; reciaimable up to 1200 F. Suitable for insulating large or small irregular surfaces, including those not suited to molded types of insulation. Contains a special rust inhibitor which pre vents corrosion taking place between insu lated surface and cement. Makes a secure bond on either hot or cold surfaces. In stantly adhesive, easy and economical to apply. When mixed with water to trowelable consistency, the nodules of B-H black Rockwool retain their physical properties; when dried out, the dead air cells in these nodules provide maximum insulating effi ciency. Packed in strong 50-lb bags; can be stocked without breakage or loss. B-H KOLDBOARD Effective from -150 to 300 F. Made from 100 per cent chemically stable B-H Rockwool fibres, felted and bonded together to form flat, semi-rigid blocks which do not disintegrate or break down structurally under severe service conditiona. Koldboard will not support combustion nor smolder when flame is applied. Low" moisture absorption: 0.68 per cent at relative humidity of 65 per cent at tem perature of 75 F. Thermal conductivity: 0.29 Btu/sq ft/hr/F at a mean temperature of 70 F. Standard sizes: 18 in. and 36 in. long; 12 in., 18 in., 24 in. wide; 34 in. to 4 in. thick; packed in high test fibre cartons. B-H MONO-BLOCK A one-block insulation effective over the full temperature range up to 1700 F. B-H black Rockwool, felted by a special patented process. A strong, light-weight block, easily cut and fitted on irregular or flat surfaces. Low alkalinity factor in sures stability under severe temperature conditions. Density--approx. 20 lb per cu ft. Standard sizes: 18 in. and 36 in. long; 6 in., 12 in. and 18 in. wide; 1 in., 134 in., 2 in., 234 in., 3 in., 334 in. and 4 in. thick nesses. Other sizes to order. Packed in high -test cardboard cartons. B-H DUCT SOUNDLINER A rigid material felted of chemically stable Rockwool fibres. Provides an effective means of minimizing sound transmitted through the ducts, by instal ling it inside the ducts. Does not disin tegrate nor support combustion. Easily cut and fitted around bends in the duct-- attached with either bolts or specially prepared acoustical cement. Standard sizes: 22 in. x 33 in. and 24 in. x 36 in.; both sizes in 34 in. or 1 in. thicknesses. CATALOG ON REQUEST We invite you to write for fully illus trated catalog giving more detailed specifications on these and other B-H Industrial Insulation Products of many types. c INDUSTRIAL INSULATIONS ' Bf/ -