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LIA19809
Fin 1 - M.sbvre of LI* Fin 5 - Kv*llle Latd Frvluot* Dir
LEAD INDUSTRIES ASSOCIATION
MCW TOM IT, H. V.
January 15, 19#
SUBJECTl VtASHnO WITH roue LEAD*
1b Kcubors of the lead Industries Associations
Vo tro pleased to attach a reprint of an article entitled Flashing with Hard lead,* whluh appeared in the December, 1958, Issue of *A*rlcan Roofer A Siding Contractor.*
Thla la essentially a "hov-to-do-iu" type of artlole on the we of lead alloy in roofing at.i flashing.
Coplea of the reprint will be distributed by the Association at the Rational Association of Hone Builders Show In Chicago, 111. on January 19-2?, 1959, and will also bo used in answer to specific requests received by the Association. Sctra copies, up to ?5, arc available to eabera free of charge, and above thla quantity, at our cost of 13.90 per hmdrtd.
The artlole. Including photographs, was siyplled to the nagailae tgr i~i .a .
Slneerely yours;
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LIA19810
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FLASHING WITH
HARO LEAD
AMERICAN ROOFER * SIDING CONTRACTOR
UAD INDUSTRIES ASSOCIATION
0 ImI DM Hn H M IF. M.T.
N 2369.01
LlAl98l2
A complete "how-to-do-it" article on the mto of leod olloy in roofing ond flashing
KM> MAS UKKN u <J i.* iW-
L irg and
rroee frequently
*nrr it tut become awiUhl* m a b mt
alVnr that main* thr lr*t projertiev of
*ift lr) and *.M* ***** snporTanl
impemenimt*. The new hard Wad.
retaining fan f> *> 7* J prr cent
arfimoy, t ah*sf twice a* *trung and
much n*re rigwL In csnnent with w*/t
Irad, it h highly nwIVyble, n*-*tain*
inf. and durable. To make the mott of
thrte prnprrtir*. however. the roofing
ctelrartof muM a<There ck**elv fn the
few **mple rule* Mi h*rlh:
L Preparation of the surface over
which tbo had win bo to-
tailed
t, Uu of the right tools
X Uu of sheets of the proper
weight
1 Use of sheets of the proper
dimension, and
1 Proper application of cleats,
loose-locks and overlapping.
Thr Mirfarr on which hard lead *hrrt
t\ h be laid mu%t le mmnth. even and
free fmm sharp |*r"jevtHn It nmt
he dry, amind and (Iran. N*ail head*
thmikl he Ml. wrew head* counter-
*mlc. Giocfrtf dh*uM he ^rmW l*
a xenonth, Hat surface. Angle* around
which had will ftf worked cSould hr
nnl or chamfered. \V*d *healhing
hnuld he straight and true.
ATT roofing Mtrface* over which lead
h to be laid thrntld Tie cohered with
15-pnund mnilng felt b^wd 2 itvhe*
and nailed every iii inrhr* it center
with Urge headed rewAng nal.
t/*d U to eair to w.rk ;hat it is
often mnaf con* mmt to pfqure the
*h*rt* m place <w the roof. T rfi are
handy foe hrtwhng. Mo*t lead w.fk
can he done with mly the hand* and
a wni*Ten maHet. It i* im;n*rtant to
rememher that even hard trad i% rela
tively mit and that hard tool* thm!d not I* urd. F>f fun^Jf, a rwllrt or
<d ilfovf
hr 8*rd m*trad
of a metal hammer, Itrakrs Jvald he
adjusted to thr extra thickne** of lead
no that the metal wilt not he ri4 an*!
bends will have an eaur sweep.
Whew lr>| *hrei, are f**emrd in a
brake nei the ground. thrv .K*uM he
fenced to the nW on a flat lift in oedrT to at'wd herwf rg.
Weight "f hint |r>! %!tt * c-wn
irvwTy designated by ft* weight per
quarr font of surface. The weights of
hard lead for n*fing and flashing are
a* hifam:
.vwh r*'H i* f tb. frt sf. ft is */*Vf in. floct
K>r mo*t applioreen m rr*idmtia!
work. where arra* covered are gen
erally tmafT and *herf* are narrow.
hard lead hxil<t le |Nri<'iol.
F<e wvw
on Urge Iwnkl-
Docombwr tr* AMERICAN ROOFER
*Duwpii wtwp-ypii -pi imMa"wr`.w
m.',i .t!W W,P If II 'IllJIUsy II "IIHIJ i Ml, IJ .ISM HI
am*
mam
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M
mm*
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where imt cmm] arc i[4 to be Urge im) heru iwlrr, J ib. hard Ir k I
W ffrnmmtwM. Roth (J^wniMuni oi ioiiv<lm! U**~rt*
and the method* of linking them he* gether arr determined by thermal oev traction and ex{onK<n. Tl>e -ef?V'mt at linear rx(vtnin at hard lead i* l^ifniinutrly 15 nu!>aith 4 an inh prr linear inch per drg*Te Fahrmhrt. Put m term* that are racier t vicucdi/e, an inrrra*e at ItJO'F. m tenijer'ature would rauce a V-f<*K length <4 hard lead chert to expand lightl) ir* than 1/12lh 14 an inch. That dma1! cerm tike much. bat it U enough b* tear of buckle the chert... drj*etvling net whrther the action i* ex|an*i4i r contract*** ... if due aJVoranre * t*4 made in o aidruction.
Lead noting oitruction may be <4 either the batten nr standing warn tyje. Batten h|e h generally preferred fe
targe n4 area*, while ctarwhrg ram
owi** rt*it>4) i fv*umiriw!rd b*r |rch#
*y wtndiw and <*hrr cnu'Vr rn4
area*. In genera!, !,nicin<. <4 roof
beet* h<nM n>4 exceed 2 ly 4 fret,
with thr larger
lad parallel
to the Icittm of cfandmg wim. T
wkler at <><l>efwi%e yn >!j*cr.l chert*
In a rigid Nc m} w*i!d. 4 t.r*c. le-
feat the |qv <4 urul mditwfual
chert*: in rflnl *4 r\|anoit, two
ngxflv jned 4 U*4 Vngth* arr t*o
different front <nr ontmuen It hut
Imgth.
R*4 *heet are cecumt In cleat*
ctaggeml at 24-inch interval* ilfig
the culr* of the chert*. Flat. twi/ontal,
kane kA'k* are formed at 4-h< i*.ter*
%aJ*. Oriented In the direct*** *4 flow,
thee* ban cleat* haled into them.
There *eam* are ctaggeml in adjoin*
tng ;.
Fu* fcnrrjl Hashing por^wne*. in*
liiblui! >hrct* k<u'i] let nfrl K
feet m ler.gth ||i.mr*er. f< ttnocoalH wwlr lit dung, cay 24 itx h of freer, lie ! gt!v <*f d-etl* dcj!<l !e reduced to r |frt M"*nrf, nhrrr a Irtvl
|uraTV| * the bug *!mwri*i t u*rd ,n wide (lachitig*. %trh a* hr raHeyt,
the a*hUd rigidity gum the Irad by the l*wl prrmit* tlie n*e 4 Imgth*
Jomtc britmi rtaAitg amt Aa*hmg *heet* h"u'd he liar Iclnl or mrr* ta|^wl. In tal>* with a jwteh <4 more than h incite* |r f4. a* Kitten .rap*, ttden. hi(N, cap fladiing* or thr*cgh filching* lnuIt mt* calt, overlaying mar be need |ta*e ft*hing <<n m4* |ilt hn| lrc than J m 12 mut he kne* W led.
Cap fi*hn-g on nuverr wall* of a length <|rj4-r>lcnt **n the r*4 |4trh *h*<uk| be cteyjrd with the mawnry ywnt% )n<| d*iid extend into the wall*
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