Nova Flex Silicone M400 High Impact Window & Door Sealant ( NovaFlex )

Nova Flex Silicone M400 High Impact Window & Door Sealant ( NovaFlex ) Nova Flex Silicone M400 is a high-performance, single-component silicone sealant engineered for demanding window and door applications. This premium-grade sealant delivers superior adhesion, flexibility, and weather resistance, making it ideal for both new construction and renovation projects. Formulated with advanced silicone technology, M400 maintains exceptional elasticity and durability across temperature fluctuations and UV exposure. The sealant cures quickly while providing a durable, paintable finish that bonds reliably to glass, aluminum, vinyl, wood, and masonry substrates. Key benefits include outstanding joint movement accommodation, excellent water and air-tightness, and resistance to mold and mildew growth. M400 performs reliably in high-impact environments where standard sealants may fail, ensuring long-term integrity of window and door seals. Ideal for commercial and residential applications requiring a dependable, long-lasting sealant solution. Nova Flex Silicone M400 provides the durability and performance professionals trust.