Foster® Sealfas G-P-M® Mastic is a high solids, water-based, general purpose mastic having excellent trowel and spray properties.
Sealfas G-P-M® Mastic is fire-resistive and features ease of application, non-flammability, non-toxicity, mild odor, insulation compatibility, good package stability, plus excellent outdoor
durability.

Sealfas G-P-M® Mastic meets NFPA 90A & 90B 25/50 requirements.
Sealfas G-P-M® Mastic is produced under the classification and follow-up service of Underwriter’s Laboratories, Inc.

Nuclear Grade Sealfas G-P-M® Mastic 35-00Q and 45-00Q can be supplied to meet the stress corrosion and chemical analysis requirements of MIL-I-24244C or nuclear regulatory guide 1.36 on special order.

Sealfas G-P-M® Mastic 35-00/45-00™ meets the requirements of:
-VOC Emissions and Content requirements to contribute to LEED v4 EQ Credit: Low Emitting Materials –Paints and Coatings
-VOC Content: <50 g/l, less water and exempt solvents.