Flat Roof Drain - How it works and best practice

Flat Roof Drain - How it works and best practice
Inner drain with emergency overflow.
Three good tips on Flat Roofs. Talking about flashing and drains. The most common areas on a roof that could cause problems.
Flat roofs get a bad rap due to the installers and not the material. A Flat Roof well done will outlast any shingled roof.
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