R-Guard®

PorousPrep

Water-based sealer for raw gypsum board edges PorousPrep seals the dry, cut edges of gypsum wall boards exposed in rough openings for windows and doors. It ensures application of Joint & Seam Filler or FastFlash to dry-cut edges of gypsum wall board is fast and efficient. Its glue-like viscosity makes application smooth and easy, while reducing potential for spills and rundown.

Available at distributors nationwide. Call 800-255-4255.

PorousPrep

Water-based sealer for raw gypsum board edges

PorousPrep seals the dry, cut edges of gypsum wall boards exposed in rough openings for windows and doors. It ensures application of Joint & Seam Filler or FastFlash to dry-cut edges of gypsum wall board is fast and efficient. Its glue-like viscosity makes application smooth and easy, while reducing potential for spills and rundown.

Available at distributors nationwide. Call 800-255-4255.

Substrate:
Exterior Sheathing
Task:
Air & Water Barriers
Location:
Exterior
Surface Type:
Horizontal, Vertical