Expert Guide: How to Seal the door of your gaps door.

As a homeowner, you may have noticed gaps on the sides of your garage door that let in air, water, and unwanted animals or pests. These gaps can also cause your energy bills to rise as your heating or cooling system has to work harder to maintain a comfortable temperature. Fortunately, there are DIY and professional solutions to seal garage door gaps on the sides. In this article, I will walk you through the steps to seal your garage door’s side gaps and keep the elements out.


  • Caulk gun
  • Silicone or acrylic caulk
  • Weatherstripping
  • Garage door side gap filler (optional)
  • Utility knife
  • Screwdriver

Identifying and Measuring Garage Door Side Gaps

To identify and measure your garage door side gaps, you must close your garage door and inspect the sides for any visible gaps. Use a measuring tape to measure the width and depth of the gap. You should measure at the gap’s top, middle, and bottom to ensure precise measurement.

DIY Solutions for Seg Garage Door Side Gaps

Two primary DIY solutions for sealing garage door gaps on sides are weatherstripping or a garage door side gap filler.

Using Weatherstripping to Fill Garage Door Side Gaps

Weatherstripping is an easy and cost-effective way to seal garage door gaps on the sides. It is available in different materials such as vinyl, rubber, or foam and can be cut to fit the size of your garage door gaps.

  • Clean the sides of your garage door where you apply the weatherstripping.
  • Measure the length of the side and cut the weatherstripping to that length.
  • Peel off the adhesive backing from the weatherstripping and apply it to the side of your garage door, pressing firmly.

Professional Solutions for Sealing Garage Door Side Gaps

If you prefer to have a professional handle sealing garage door gaps on the sides, several solutions are available. A professional garage door repair company can assess the extent of the gaps and recommend the best solution for your needs.

One solution is installing new weatherstripping or replacing old weatherstripping with more durable material. A professional can install a garage door side gap filler, ideal for more significant gaps.

y on energy bills and protect your belongings. Remember to take steps to prevent future gaps, and always consult a professional if you need clarification on your garage door’s condition.

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