SPARK-FAS® WB ADHESIVE is a high tack, rapid-setting, water-based adhesive used to adhere fibrous glass or mineral wool insulations (up to 6 lbs. density) to painted or unpainted steel, galvanized or aluminum air conditioning or hot air ducts. A synthetic elastomer emulsion, it is non-flammable when wet and extremely fire-resistant when dry. Its consistency resists dripping and spattering.

SPARK-FAS® WB ADHESIVE meets ASTM C916, Type 1 (ASC-A-7001, Type 1) requirements.
SPARK-FAS® WB ADHESIVE meets MIL-A-3316C, Class 2, Grade A requirements, and is listed on the QPL.
SPARK-FAS® WB ADHESIVE meets NFPA 90A and 90B 25/50 requirements.

VOC Emissions and Content requirements to contribute to LEED v4 EQ Credit: Low Emitting Materials – Paints and Coatings

Meets NFPA Standard 90A and 90B 25/50 requirements as a closure mastic VOC Content: 66 g/l, less water and exempt solvents.