Dow Fill and Seal 


Dow Fill and Seal fills cracks and holes and insulates to stop drafts more efficiently than other brands as an expanding foam sealant. It expands to 3 times its original volume to form a durable, airtight, and waterproof bond.

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This series of videos gives you a first hand look at how to use Lentus products properly and gives you tips to get the most out of the tools you use. 

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Fill and Seal