Niagara’ 40-year Siliconized Acrylic Caulk improves energy efficiency and helps to reduce energy costs by sealing gaps and cracks that cause air leaks. Niagara’s caulk provides a tight seal on windows and door frames, siding and trim, ceiling and wall joints, and a variety of other applications. This high quality water based caulk is guaranteed for 40 years, is paintable with latex and oil-based paints, and provides strong durability and adhesion.
– Multi-purpose acrylic latex with silicone (non-flammable)
– Premium-quality, all-purpose sealant for both interior and exterior applications
– Non-yellowing, with lowest shrink rate
– Paintable with latex and oil-based paints
– Meets or exceeds ASTM specifications – 834-10
– Made in the USA
– Composition: Siliconized Acrylic
– Colour: Clear
– Size Availability: 10.1 oz.