[AT] Screwing roofing

[Mark Greer]

If you use the proper screws with the gasket under the washer then follow
the instructions you found. The only thing I'd add is at the bottom of each
sheet you will probably want to put a screw in every flat so when viewed
from the ground the bottom edge is nice and straight. You will also want a
screw in the flat on each side of a seam so the seams stay flat. I put the
roof on my shop in 2001 in this way and it still looks perfect-no waves or
humps or bumps-just nice and flat and smooth and it has survived a couple of
near tornadoes that took the whole roof off my closest neighbor's house and
some tin off the roofs of most of the barns(including mine) in the area.

----- Original Message ----- 
From: "carl gogol" <cgogol at twcny.rr.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Tuesday, June 08, 2004 8:33 PM
Subject: [AT] Screwing roofing


> As I prepare for a noisy weekend's activity of screwing down the metal
roof
> on the new shed, I started to ask other people at work how they did it.  I
> was very surprised by the response of one friend who said he screwed it
all
> through the tops of the ridges to the wood so it wouldn't leak.  The
> instructions I have found recommend screwing in every other flat (about
16"
> on 3' coverage material) and every other purlin or about 4' along the run.
> In addition, use a short stitch screw every 4' on the overlap ridge that
> just binds the metal and does not bite the wood.
> What do you all do?
>
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