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.

Features

• Ensures application of Joint & Seam Filler or FastFlash® to dry cut edges of gypsum wallboard is fast and efficient.
• Glue-like viscosity makes application smooth and easy while reducing the potential for spills and rundown.
• Water cleanup; No solvent odor

1 gallon pail