- 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
PorousPrep
Water-based sealer for raw gypsum board edges
PorousPrep
Water-based sealer for raw gypsum board edges
Description
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.
This product is freezable. We may delay shipment due to weather to ensure it reaches you in good condition.
This product is subject to VOC regulations, however it is compliant with all national, state, and district AIM VOC regulations
Documentation
- Product Data Sheet
- Safety Data Sheet
- Safety Data Sheet (Spanish)
- SDS Canadian French
- VOC Compliance
- Product Specification
Green Building Information
Ted Barnekoff, Air & Water Barrier Customer Support
PorousPrep
PRODUCT SUPPORT
Features
Sustainability & Testing
Technical Data
- SHELF LIFE2 years in tightly sealed, unopened container
- VOC CONTENT<100 g/L
- FORMLight blue viscous liquid, mild odor
- PH9.0
- COVERAGE RATE200–400 square feet per gallon, 600 linear feet per gallon
- FREEZE POINT32° F (0° C)
- FLASH POINT>212° F (>100° C) ASTM D 3278
- TOTAL SOLIDS16% ASTM D 2369
- WT/GAL8.49 lbs
- AVAILABLE SIZES1-gal
OVERVIEW
PorousPrep brushes on easily and efficiently, and its glue-like viscosity reduces rundown and potential for spills. PorousPrep usually dries in 30 to 60 minutes when applied to dry surfaces. Use R-Guard PorousPrep as part of a continuous, building-wide air barrier system, or to complement conventional waterproofing or air barrier components.
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