This product is available in West Virgina only!
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View the WV Location InformationWater-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.
For Professional use.