How to Properly Caulk Your Window

When to Caulk

The best time of year to caulk is during the dry season when there is the least amount of moisture and precipitation. The sealant sets properly and adheres best when the temperature is 45 degrees or warmer. Fall is typically the preferred month to accomplish this task and usually takes a day or less to completely seal all of your home’s windows.

Materials Needed

Sealing your windows for cracks and air leaks requires very few materials. For residential windows, silicone caulk is the ideal sealant. It is the ideal choice because it is flexible, waterproof, and can withstand extreme temperatures and weather conditions. You will also need a scraper or utility knife to remove old caulk for a clean surface. A putty knife will be useful for smoothing the applied caulk strip. A caulk gun is essential for this job as the sealant does not simply squeeze out of the tube like toothpaste. Once you have all of your materials, you are ready to begin.

The Caulking Process

• Step 1: Remove old caulk, debris, and molding from the window frame with your scraper or utility knife for a clean surface. Be sure to allow time for the surface to dry.
• Step 2: Place the caulk tube into the caulk gun chamber. Squeeze the trigger of the gun until the caulk tube is secured.
• Step 3: Cut the tip of the tube at a 45 degree angle for the desired bead size. A bead is the line of caulk that you’re adhering to the window frame.
• Step 4: Hold the caulk gun at a 45 degree angle and seal the entire strip in one continuous movement. Be sure that all cracks are covered.
• Step 5: After applying, smooth the sealant with your putty knife or a wet finger. This process is known as tooling and is necessary for removing excess caulk and bubbles.
• Step 6: Once all of the windows are completed, place the cap back on your caulk tube and allow your masterpiece to dry. It takes 24 hours or longer for the caulk to dry, so don’t go poking at it the next morning.

Applying caulk is not limited to your windows; you can also apply the sealant to doors, countertops, showers, and sinks. And depending on whether it is a job for the exterior or interior of the home, different types of caulk will be necessary. Properly applying caulk to your window frames is a simple way to keep your windows better maintained. Feel free to contact your nearest Storm Guard Representative and schedule an inspection to get started.