Bostik Bosti-Flex™ Plus is a high performance siliconized acrylic latex sealant with excellent adhesion to most building materials and common household surfaces. Bosti-Flex™ Plus complements multiple Bostik grout colors and is paintable with latex or oil based paints after just 1-2 hours.
Whether applied to the interior or exterior, Bosti-Flex™ Plus is easy to apply and clean. It has excellent adhesion and elasticity for flexible joints and tools to a smooth, mold and mildew-resistant finish. Zero-VOC, non-flammable and non-hazardous, Bosti-Flex™ Plus is the sealant of choice for contractors around the globe.