Roofing association manuals as well as the code book specify a minimum slope of 1 4 inch per foot for low slope roofing.
Low slope roofing book.
Metal roofing buyer s guide.
How to prepare for a successful metal roof installation.
Written in an easy to understand format i m a reformed knuckle dragger.
One cool trick is to use a slope kit consisting of sheets of foam that are tapered to provide the necessary slope.
More than just a stiff reference material it explores the various systems you will confront if you do any division 7 related work.
What is low slope metal roofing.
Low slope roof is industry parlance for a commercial industrial roof which will have layers of hot tar and roofing felt then gravel placed on a generally flat roof.
If you want to learn how to build a deck on top of a flat roof read the article decking over a roof from finehomebuilding 269.
Fortunately the manual is broken into four books and for low slope roof details you can buy the membrane roofing systems book for 195 far less money than even the smallest leak will cost to fix.
Other residential products vents siding roll roofing.
Your comprehensive guide.
From deck to finish.
Commercial roofing guide to low slope systems.