This super-strong sealant fills cracks and holes, patches leaks, seals sinks, windows and duct work and even makes delicate repairs - all without messy caulking guns. It's easy to use and lays a perfect pinpoint-accurate bead every time. Creates a tough, flexible, leakproof seal that lasts up to 30 years. Waterproof. Mildew resistant. 8 oz.
Flex Shot - As Seen on TV Customer Reviews
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