BRICKFORM Satin-Seal, Satin-Finish “Natural-Look” Sealer - 100 VOC BRICKFORM Satin-Seal is a non-flammable product, designed to protect concrete with a satin finish. This water-based acrylic VOC-compliant sealer reduces the effect of efflorescence on porous surfaces, while forming a nonyellowing, scuff-resistant finish that resists moisture penetration.