5 gal. Pail EPSB Expanded Polystyrene Base Coat | MWI-F00358

Master Wall's EPSB Expanded Polystyrene Base Coat delivers long-term performance and flexibility thanks to its acrylic-based, water-resistant formulation. It helps minimize cracking and ensures proper substrate preparation for textured acrylic finishes. Whether applied in residential or commercial EIFS systems, EPSB provides the compatibility and performance required for foam-to-substrate adhesion and mesh embedment. The result is a continuous, crack-resistant base layer designed for durability and design flexibility.

• A 100% pure acrylic one-part, non-cement base coat and leveler with low alkalinity
• Ready to use
• pH stable, low alkalinity
• Bonds to most acrylic coatings and textured finishes
• No pot life, reseal unused material for use the next day