Document B5p85eKvbZL2mE1V6YGnNxR9L

PORPI * i I i t D.j %*m'**m aitti * ijppjPBgiBipWJ i rnm * LIA1A OA 2 LEAD INDUSTRIES ASSOCIATION. INC. Ill MADIVON AVINUI NCW YOKK. M. Y. IC01Y rm iwnw - *i* mn m M MW April 29, 1966 OTJSCT. ITO'T cr ARTICLE O KAKIESS TKttCS ROCTPO J tM to tta iih itiM liii.ila n iiiO ii w ilw n ii'iilO ii I I Toi Haabirt of th lead Inductrla* Aaaoclatlcn, Xho. tbo ancloaod reprint, Hoofing VIth Soanleea ibrno", hat Jut boen obtained by L.I.A. It will b eent with literature on tarn* la reply to aall tod trod* ahow laqalrlM. This irtlcla origin*! iy appeared la tht February, 1966. Ketala la Architecture" laeue of Architectural and Bitlnring Mam. Aa a reeult of tht article a cuxbor of requaeta have bwaa racaired for additional infonaation. It la, tharafora, being added at a ueefol pert of wr architectural Information aarrioa. Slaoe th* quantity la Halted, additional coplat In quantItlet up to twenty-fir* will b* arallabl* fret of chart* whllt they laat. ENidf Btoloaore tdwln 0. Martin, A.X.A. Manager, Architectural Sorrleoe *< L r |.PP wwywwwpAA1 n,,tuwi w-M,1pt n.T'pawwaeiyf^i; ' iiifiw fifii`l f t 4 l i l i i / r t f i f y i t " - " 111--------------- mmrnm ' ----------...-----....- .. ^bk. L IA14043 mm ROOFING WITH SEAMLESS TERNE LEAD INDUSTRIES ASSOCIATION 292 Madison Avanoa New YofH, Naw York 10017 TkU matehal hot rrpenmeed a rremt rmVil bactual it cm k laid tu longer okeet* ttn former, it. betoott its good pointing goola tter mi k need to txprtot dra matic roof conformation* md boroute of price. Modem tenit it Jt imip m at `tromlett' bocmat tie frequency of croeo ooomo it atw determined bg repetition ckororterietiei of tko metal rotker tken bg limitation* of manafartnro. Tkit article it bated cm material supplied bg the FoOanobeo Stool Corporation. Tara* am] It a ci|T-Wiit iM beet mKi to balk sidee with a tia and Wad alloy. It la arailabW la cat tanftb sheeta tad ii H ft. roil*, ia uridtha of 14 la. tbraft U la, tad io 30 c*. (|C), Zt (a. (IX) aad Mga. (XX). Itm caatiBO of 40 bo, V fee i*d I Ibo. per 4W aq. ft. art rommir rial)/ aoid thraocb aajw diatribntot Tbe aBoy coatiat eeoalata ad ap proximately SO par cent trad aad a prr cent tia. Let aa examine ttrat from the riewpointa of: occaomj, poiat adher ence, brat,refleetion. permanence, workability. low co-efficient of eaparwoo, aad d|bL Trrno la aa acaeuaniral material bnaw* of it* relatively moderate Initial root*. SO coot* to Ilf) a aq. ft. applied, dependiat oa locality aad doalyn. Beeauae of Ita lifht weight, orrhiteeta can frequently aliatiaatt or reduce tbe need for load-beorint auk atructore* (toe table 1). Term caa alao reduce tbe ceota of fir* laaarance on the atrurtur*, dependiat on (oral retulatiea*. Polat!wp toeat Teme ia unuaual amone arcbitectaral metal* becaaae of Ita ability to bold *v iw m. ..m-iimu h j u j iu ip ii j ..ih j mh .l i w iu u TUM* rJ ....... - --- - - N 3479.01 r i? iiiiViiri i>i iir i1n ii*i irtr T -M : ROOFING WITH SEAMLESS TERNE A iftii 11 iwcd fc*. paint The malarial mar h ordered plain, aw tide abop coaled. or both aidea abop naM Tba abop coated aide aaffietent ewrtriny far tba on deroide of aartal. Tba aapuacd aida of tba metal, bowear. maat ba yfvoa two roata of paint even if there la a mlB-root alraadr applied Paiatiny abooU be cocnpieted after taetaQalie*. If tba aadermida la lachlac a abop coat, a alow-dryiny. Iron oiide-liaeetd oil point aboold be need Oa the raterior aorfaea, the firet cool aboold ba a alow drrinf. rad Inn oaide palat. rrooad and mined with tuuwed oil The aanmd coat aboold ba oay food qeality )Of oil. eatarior paint Tbli wit allow tba arabitact to aperifr any color ba aranta no tbe roof of tba boildiay By paintiai feme la Idle recommended manner with tbe proper colon, ana can achieve tba effect* of a naan eoatly rapper roof. An independent eerier of enpoeore trete by a land cooepany at Perth Amboy, K 1, and at a marina fa Sayrffla. Lacy laland N. T. drtnaootrated tba dorability of painted Ierne aa faBnra: At Perth Amboy, tba tapoeed painted opocimree bad a ratine of t irirtaafly perfect) on a ocale of 10. after tbe teet erne conducted for T yean. > montha I'nder the more ae rate ceoditiona at tba Sayville mari na. tbe epeclmene rated a perfect 10 after IS montha af rrpoeura to tbe corroaim aea air. Tecta bare alee abown that tbe cMnkinatloo af white or linht colored paint eo a tana roof reflect* aolar beat efficiently. Metorte wane aMad Tbe durability of trrne la nameured in decadea rather than year*. Trrne, ebicb waa developed in Wale* about 1720, baa been need an many Ameri can buildior* that an more than a cantary old Oetnyoa Rotiat, tba Wuhinytoo, D.G AIA headqoartara, baa tame that ie more than a notary old. Andrew Jeckeoa'o 'Hanoitore1 la Tenncuee and Thomaa Jcffernoe'a 'MonticrUo' la Virginia atil have their aririnal term raofa. Trrne ia a hiyhly workable auterial that need* aa pro-treatment far olderiaf. 1 net*nation time ia lam than that af other roofmy material. /a abown ia lhU t. irraa aim affera tba advaatarr of haviny tba leweot co-cfficieni of aapaaatea af ceafiny awtala. There an fear different typm of acama to cbaoac from orheo apedfyiny tcraa ronfiay: atandiay laaan. bailee aeoau, Bermuda aetata forhicb create dramatic horiaonlal effecta). and flat lacked amau (far flat or low-pitched roofa wbemrrr drainayo ran be provided) Crucial apacifkatiaaa far a*iny Irene are m faOewt Arrbiterta aboold aperify 1C l30 ya.) for a 20 ia. width and undrr. IX tt ya.) or 11 <M ya.) may be aard ia any width aritb a 40 lb. emtiny far amiiman lanyrrity. (td and It ya, 40 lb. are available aa npocot ia 10 la, ft ia, and tl ia. widihe. rnlb aad rot laeiytba. When tbe pitch af tba roof ia tl; ia. ar boa to the foot, tbe aeam howid hr flat lack. (Trait aboold be I *3 ia. wide aad rarofoUy booked over ' y in odyr aad anilrd to abeatb- iay with two 7,1 ia. roofmy nail* or atoplcd with 7/0 la divrraion poiat ataplr* U aarh cloak Sraau abcoild tw tborooybly and amoothli hammered down with a wooden mal let and carefully aotdrrad With larye coppera. Where tbe pitch ia ( ia. per foot ar mare, a 3 '4 in minimum tiu*> nn tfeovld be end W-ft nml- (bnd. l'Dfi|owd port ban* of tW rraM ma im ftHcttld. )wTkpf, be leiittfd vitb iron oil ) > m wmptmrmpqf. mamrmmm m rnm*M paint before they ere applied. When there la aufflcient pilch (I'.j On or more per foot), the roof ahoold * laid with atandlnf acama. batten cams or Bermuda aoame. For application* which require maximum fiatneaa, the apodflcatiao houid atate that tame aheota be cot to lenrth and roller-leveled at the mill Alao. the rooflnf contractor ahoold be Inatructed to form flanfro on preae brake eqelpowoL All vallrya and ruttrre [whether IX 12* *a) or 1C (20 ra.l] ahoold he applied flat lock, of aeffkieot pitch to prrvrnt atandiaf water. Foe elandinr aeaaa apeciflcatloo* la applicatioao with 2H tm. par foot minimum pitch, the architect ahoold uae aeamhoa terse rooflnf apadfytaf raure and enatiof weifbt. KidfO treatment ahoold be tpedfiad aa adther flat aearn, atandiaf area, or batten atom and cap Croaa areata ahould be atafferad to avoid extra thkkaeea la prraard alandinf aram. and they ahoold be ainfle locked aolderrd )ointx, except Ar caponaioa jointa which moat be laced above the fcifh water line of cutter*. valley*, walla, etc. Croaa aeama ahould be made accordinf to the flow, that ia. the hich ar atrip* muat aharaya overlap the lower adjotniof atrip*. X. Bottoo eoooa For batten ecoaa. architecta ahould uao aeamlc*a feme roofiof la appiicationa of 2': la. per foot minimum pitch eeambeo tcrao rooflnf. The contractor ahould ho Inxtrncted that before beriaainf the firat ceureo, be >h j M attend carefully to proper ap plication at drip edfea. ar ride waBa, rider*. cutter*. vallrya, etc. AO croaa acama ahoold ba flat locked and aoldemd. Coaatroetioa ad batten acama at rldae and hip aad end of batteoa ahould foOear awaofacturer'a Inatrnctiuaa carefaOy. N'alla ahould ant ho driven throuth at ripe. Cleata ahould ba oaod, apocad at Intcrvala of I In, and atafferad llonf the batteoa. Flat lock aoidered -oima ahoold alao bo atafferad to fimld extra (hickaaa*. Cnfiawd C} **n Pfc*d>MiTMpemcmtpOHHlom>tdimaHi *mdm>* iMmI *V*tMmfCatttir<*e MtI.'HItoMlWMqploiMTMt, tffM I > MftttvCh* MAW ***+*im fcmmtwBjt ** w Wen* Ka# awf m W CWw. tm W V* 'frmvxrni, *** fey L 1*M wn--fi m*4 Th hret.r4 prrf W.* Pmrmrbha^, .h i,mu i uiiiaiuAi,ispapt|*f i! jmaw.a I p--WMW ! t "'HW ' 11'ip HI J^W^ifPW^iLIPilU'HI) M- .f.UPHI .. - LIA14046 ilatnasid>ii^mm*sW*s*<iiiiii'ivni- u <.-m.m,i urn- . . .s.ii maBasu)mjtnnj*mws*Main.smasMmAa. estrs thickness is nullctlsg atsiael the batten*. CroM seams should be tiafit With boriaoatal h u Bemuds roof with * Z'-j In. por foot minimum pitch, wmlm tern* should bo used: ridge treatment can bt either flat Hia or standing mo b . The cootreetor should be told to form Bemud* mo b* bp making verticil bond* oloaf Uw longer dimension of the locked soldered feints except far txpaaaioa foinls, which Bast be plated above the hifh water line of guitars, rollers, walls, etc. As with etsadiai seama c t o m seams should be Baade according to flow, that Is. tbe higher strip* Bast always overlap the lower adjoining atrip*. sheet* or ron* Vi In. hither thin the batten. The first coarse should be For flat locked saoms far appUea- placed Is poollie* with palsied tide tiooe of leas thaa IV4 is. per fast doers. Do set sail throoth the strip*. pitch, architect* should ate terse i Cleats should be Bide of the same material, sad sailed every I is. skat sheets The flat locked saaa eaa ha ased for roofing ar at ted walla, aids the face of the battra. Again. awe walls, ratten, drip tdfe*. vmBtyt, stoat should be Blattered Is avoid flashlari, etc. For flat locked saoa applications, tense la available la 14 a tO ia. and ZO x ZZ la. sheet*. Special bad a sheet sis* greater thaa SO a d> On* aid* should be palsied sad wed ailed before applying a* reef with palsied side down. Tbs shop ap plied coot it sufficient fer the aader side. On* should not Bail through the strip* Strip* should be an ached t* tbe roof with cleats mad* at the same Material. Cleat* should be placed at I ia. interval*. Before beginning the first coarse, the contractor should be instructed la attend to proper application at ridge, drip edge, end or tide wall, gotten. vaBrys, etc. Strips should, as before. be laid ac cording to the flow: 1*, by placiac the strip higher o* the roof over tbe upper edge at the tower adjsiaiag strip. Saffkieot pitch asset be pre sided for proper drainage, to pre ! clude a'.aading water. Joists sheaId be stsggsrsd. aad seama aiallrted dowa to farm a flat everiapping surface. Careful amlist ing at the seams will avoid bueUiag. Seama ahould be well soaked with half and half solder, using reala as a flat, newr arid flux. Broca* rssia should be removed before psiatiog. Mors detailed specific*tioo data *a the four ratrrorie* of tern* roofing Buy bo obtained from: lead Indus, tries Association, ZVZ Madison Av enue. Kew York. N Y 10017 FepOnisd Boar tu chitsaSawsi ft gnglsiirlng 0s LEAD INDUSTRIES ASSOCIATION 292 Madison Avanua Naw York, New York 10017 Printed In U.S.A. P