[siddle]

I support that. Even though natural stone slates looks beautiful and solid its not suited for flat roofs.
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Absolute Steel— Steel building and carport kits with nationwide jobsite delivery. Easy DIY—America’s easiest to install building system. Watch the video & see for yourself.

 

[siddle]

I prefer roofing membranes and synthetic rubber roofing compounds for flat roofs.
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Absolute Steel— Steel building and carport kits with nationwide jobsite delivery. Easy DIY—America’s easiest to install building system. Watch the video & see for yourself.

 

[siddle]

According to me, the best material, but a little expensive would be the rubber roof membrane. However, you have to make sure that you obtain a written agreement with the installer.
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Absolute Steel— Steel building and carport kits with nationwide jobsite delivery. Easy DIY—America’s easiest to install building system. Watch the video & see for yourself.