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Fire barrier caulk comparison

3M vs DAP fire barrier caulk comparison review

I've been paying attention to the caulk section of building supply stores since this project began and have observed only two choices when it comes to fire barrier caulk.

We used DAP on the first stove. It got the job done but was very stiff to work with. A salesman at the store who helped us that day advised a liberal coat of water to loosen it up so you could shape it into the areas you need. The color is black.

The second stove involved a 3M product that was much easier to work with but had a red tint to it, which is no problem for me but might be an issue for someone concerned with a color scheme.

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