- Product Type:Mastic, Coating
- Features:Fire-Resistant, Excellent Adherence, Good Smoothness, Water-based, Thixotropic, Good Toughness, Good Flexibility
- Application Area:Insulators, Insulation Board
- Compatible Substrates & Surfaces:Polystyrene (PS), Polyurethane
- Application Method:Trowel, Glove, Spray, Brush
Foster® Weatherite™ Mastic 46-50 is a fibrated, water-based breather mastic with a smooth, thixotropic consistency for easy application. It boasts a bright white color, is non-flammable when wet, and emits a mild odor during use. This mastic exhibits excellent brush, trowel, and spray properties.