, 1869-04-04
7ine.
Its Upo rs n Building Materials

We md the fonostng article In regard to zinc for
building purposes In the Scientific American OF
March -, and VIC publish It for the bencnt Of our
readers: It appears from report published In
France, on the use Of zinc for purposes Of con-
sructton, that most Of the detects experienced In
the employment Of this material arieea from ignor-
ance Is TO the proper mode Ii which 1t anould be
thus used-khe one object to be kept tn view being
TO perfect freedom to the sheets, to coutlnc them
nowhere, aud to separate lengths Of gutte.ing aud
any ether portions Of roof requiring to be
M made .~ = long pieces t,aa. = much = poss-
1h0r. lengths, Bent ID the dirccuon Of the WAT Ia
y hch the sheet has been rolled and solde1ed, the
solder bein9 put between the sheets, and one
sheet Iarptng oycT the other; nor must they Be
wrrwed u the raflerN a. this Il a practice which
occasions constant failure In lhe Joints Of tron
Wsereyef dexn p!pe oonss sneFe
Ter should not Be continued longer than poss!oe In
one place: where 1t Is Lid behind parapet sep
gauge used should be increased In proportion 70
The length there should BE- proper substance In
ur should be dEy-she boards with An aperture OF
about han An Inch between each. II they are
damn ~ = III. much T.. g oxidation H. w1n t.se
Of IT II 8ppca;s from actua1 experiment that the
oxidation proceeds fol nbout four JeaSs. gradually
diminishing after ne mt thsee months Nhsn II
preserving the metal beneath from further detert-
Grating. II appears 10 be evident th1. sheet OF
Lnc exposed 10 the atmosphere for EeFfeS OF
Years loses tttlc or nothing Of tts weight or
th!skness. md thss ~ surface remains hasd aud
polished HE enamel"
In uttnS this material We have The advtnta9e
over auy othe1 city IN The tinted States. We
believe the nFst ~orkt1E Of zinc ORG IN the West Is
II 1aSane, which IL oulE about one hundred miles
from chicago; and we BELIEVE tA2t Il u yet the
only place In America where It Is rolled tor roofing
or other building purposeA
Al Chicago is the nearest market for this mauu-
fAttufe, It seems to Oh that We ought Tor oIr OWL
bcneni ~ the lesdin9 commercial city Of the WcIf,
10 introduce the rsa of zinc IN our ou1dtn1A, and
kecuEc forever the market for TITS Nl2te1tA which
h.rsohatag destined 70 be as Important here = Il
to Any other roon1e material on acoou1t Of it
reasonable price al tt8 lAkt1nR qualities Our peo-
pic viii te under laEslnE oblsrzstoas 10 MessEs.
Cochrs1e P1Q1enaEd, aTchitectk, fut Introducing
the E4e OF unc n Aa Ornamental 6niiA for bnlltk
mss. TEese gentlemen hare imported i directly
tie exterior Ornamental wrrx oY the
corp!ee, railing en- the deck rooi, window hooik,
dnlals and cApitA1& for columns, 1hay hare also
ordered 1t for Af. Jas r. Da,tona house, corner
OF Tweuks-dtst Etreet and F71trte avenue: Also,
Tor MT D. L F1akh new 4rore- In the latter, Ii
viii he used IN the interior for enriched moul6iueS
dfIpefy for The shelving, rctnctS, bfaeEetA- Ac.
The architects have heen obliged 10 or1er srom
Fults the zinc work Manufactured, ready to put
1N for The butldinSs mentioned above; but VI.
Gateau. scientific rech.1ic, who q familiar H!ta
the nAnaiscsnrr Of the ornamental Etoc wntE,
viii saon open ftctolJ IN this ctT. when ae Etu
he aide 10 HA1rfAetnfa md furnish 1t to 2ny who
may desire 10 Use 1t for orn1ucnttuS their GuIld
t1EA We have no doubt that It's Use will become
dutshiltf bot Of Its chespueas Il IN architectural
QfDAU>eUt