hello Wrenches,
Many years ago I had the (unfortunate?) experience of working for a couple of
roofing companies. I was much more nimble back then. It did however, teach me
some good (and bad) methods of working on and and with roofing materials. Some
tips:
- Roof jacks are very easy to install and we almost always install one at the
eave line, if for no other reason, than to stop any dropped tools. I have been
using a truss-head screws to anchor these ilo of nails. do NOT use "drywall
screws". It is a quick set-up for a site survey.You do not need to remove the
screws...just drive the jack up to remove. If the shingles are too brittle to
lift, I place the screws through the face of the tab and after removing, slide
a 5"X 5" piece of galvanized metal w/ dope under that tab. A few years ago we
had an installation on a standing-seam metal and we attached the jacks to S-5
clamps and laid some cleated boards with carpet padding on the toeboard to
access higher....worked nicely. Corrugated metal would be more difficult to
work with.
Never walk backwards on a roof. This sounds stupid, but we can all have "a
lapse of logic".
Grainger has a nice chart of properties of the various sealing tapes/ agents.
Seems like butyl and EPDM are best for our sealing applications and neoprene
for isolation.
good luck,
tom
Tom DeBates
Habi-Tek
524 Summit St.
Geneva,IL. 60134
630-262-8193
fax 630-262-1343
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