Flat Roof Drain
The recommended minimum fall for a flat roof is 1:80 (0.72⁰). This applies whether the waterproofing is a polymeric single ply membrane, a reinforced.


Flat Roof Drain
The recommended minimum fall for a flat roof is 1:80 (0.72⁰). This applies whether the waterproofing is a polymeric single ply membrane, a reinforced.
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