How To: Use a Caulking Gun

Learn how to use a caulking gun properly, whether your next project involves weatherstripping or waterproofing.


Here’s how to get professional results when using a caulking gun. Caulking guns aren’t expensive, so don’t skimp here. Once you’ve loaded, there are several ways to open the tip, depending on what you’re doing. For quick jobs like adhesive application, just cut straight across. Cut at a 45-degree angle to slow the flow down or cut off the point to get even more control for more precise projects.

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