Foster® 30-65™ Vapor-Fas™ WB Coating is an economical fire resistive vapor barrier coating for use over many types of thermal insulation including polystyrene foam. It is ideal for use over ASJ, FRK and FSK jackets and board facings to give a vapor barrier seal at joints, laps and weld pin punctures.
- Formulated for indoor and outdoor commercial use.
- A mild latex "paint type" odor.
- Designed for use on pipes, vessels, ducts and equipment operating between 32°F (0°C) and ambient temperatures.
- WVTR rating in the range of other competitive water based vapor barrier coatings.
- For increased vapor barrier protection and for heavier duty commercial or industrial use select Foster 30-80 or 30-90 VAPOR SAFE Coatings and Mastics.
- No asbestos, lead mercury, or mercury compounds.
- Meets NFPA 90A and 90B 25/50 requirements.