Welcome to the American Hydrotech Resource Center
R-7B
Typical Round Penetrations (Pipe, Vent, etc.)
PDS - Hydrotech® Stone Filter Fabric - White
R-7C
Typical Round Penetration with HydroSeal (Pipe, Vent, etc.)
W-8A
Typical Drain Details
PDS - DuPont Styrofoam Brand Insulation ST-100
R-7C
Typical Round Penetration with HydroSeal (Pipe, Vent, etc.)
W-8A
Typical Drain Details
PDS - USG Securock Gypsum-Fiber Roof Board
R-7D
Typical Photovoltaic Panel Rack Installation Options
W-8B
Typical Drain Details
PDS - Hydrotech® HydroSeal 1K Epoxy Primer