Replacing Caulk Around Exterior Windows

Press the release mechanism to stop the flow of caulk.

Replacing caulk around exterior windows. For more stubborn caulk try cutting it away with a utility knife and then peel it away. For a ceiling job like this Id recommend a siliconized latex acrylic caulk. In this how to video you learn how to remove and replace exterior caulk that has failed.

To make sure the new caulk will adhere properly its important to remove all the small bits and pieces of old material. Made from silicone elastomers silicone is one of the most popular choices for exterior caulk. Use the putty knife to clean out any old caulk from around the window or frame.

Apply caulk to all joints in the window frame and the joint where the frame and wall meet. Once the caulk is removed the video suggests you use a dry clean paint brush to clear any left over. If caulk comes out of a crack.

Razor blade or putty knife. A common use for outdoor caulking is sealing around windows doors and aluminum siding. For this I like to use a clean dry paintbrush.

Install drip cap on top of window underneath the siding of the home. Clear Out Old Caulk. You should leave a hole just wide enough to fill the gap with caulk.

Use high-quality painters caulk for the interior side of the window and OSI Quad silicone for the outside of the window. How to Recaulk Window Panes. Hold the gun or product at a 45-degree angle and caulk in one continuous stream.