To the dismay of many homeowners, insulating the garage isn’t the only step required to retain heat and air inside the building. A slew of potential problems can result from a garage that isn’t airtight, including mold and mildew growth. Air-tight trimming around the garage door is also necessary to prevent the conditioned air from seeping through the tiny holes and cracks into the outside world.
Trim on the garage door prolongs the life expectancy and usage of the door. Furthermore, trim also prevents air from escaping the interior, ensuring your garage is always at the right temperatures no matter the time of the year. If trim isn’t installed on the garage doors, now is the time to begin working this project. If trim is already installed, but is showing signs of damage or wear and tear, replacing them is also a good idea.
This DIY job takes less than a day to complete, averaging a cost of about $100. That’s a tremendous difference in price versus the rates of a professional. Replacing the trim around the garage door is simple, requires few tools, and only minimal skill to complete. If you’re ready to weatherproof your garage, learn how to replace trim around a garage door using the step-by-step guide below, and plan this project for the coming weekend. Follow these instructions to replace the trim around your garage door, but first avoid frustration and lost time by gathering all the tools and supplies needed for the project before work begins.
Take Garage Door Measurements
Use a quality tape measure to learn the height, width, and thickness of the garage door. Write the measurements on paper to take with you to the home improvement store. You’ll need these measurements to buy the new door stop and seals.
Some garage doors use metal tracks to keep the rubber seal intact. If your garage door uses this metal track, it’s possible the track has cracked and flattened. This is an easy fix if it’s a problem you have. Simply use a cold weather silicone seal in its place. The silicone seal is flexible and remains as such in the winter. Dishwashing detergents lubricates the silicone so that it is easier to slide onto the slots of the track.
Remove the Garage Door Seal
Raise the garage door slightly, ensuring the track doesn’t come in contact with the weather seal. Slide out the rubber bulb. If the bulb doesn't easily come out, a flat screwdriver can help pray the ends of the track. If all else fails, cutting it is another option.
Now close the door. The rubber seal should be cut to the right length for the metal track. Use the utility knife to cut the seal. Now, you must thread the edges of the rubber seal into the metal track, placing it across the done when finished. If there is someone around to help, ask them to pitch in now. Threading the seals can be a tedious job, and you’ll need plenty of patience to get it done. It’s easier if there’s a second person there to help and take your mind off the task at hand.
The rubber seal nailed to the garage door should be removed if on wood garage doors. Once removed, protect the wood using a wood sealer, allowing time for it to dry before reapplying a new aluminum track. Cut the track to length, and notch the ends to ensure accurate fit around the bottom layer. A thick layer of caulk should be applied along the door edge and the track. Use a rag and all-purpose household cleaner to clean the areas between the door sections. Add weather stripping when clean. Repeat this process until the entire door is weather-stripped.
Install the Threshold
Use a degreaser to clean the concrete before the threshold is installed. When finished cleaning, rinse with water and allow time to dry. Roll the threshold onto the garage door opening, over the hump in the floor. Use the utility knife to cut the threshold to the right width. When in place, close the door to align the threshold and hump with the door seal. Use chalk to mark the threshold edge on the floor at each end. Glue the strips for the threshold into place using these markings. Close the door and leave it shut until the adhesive has time to dry.
Garage door gaps are often caused by sunken concrete or uneven doors, but the cause of the problem is irrelevant because the same problems exist with this issue. Installing bottom seal retainer with a rubber gasket can fill in these gaps and prevent further problems. Measure the bottom panel thickness before purchasing the sealer from the local home improvement store. Use a caulk to seal the retainer edge. Painting to match the garage door color is also necessary after this step.
Remove the Jamb & Trim
Remove the door stop, jamb and trim using a pry bar if needed. Install the new door stop. Visit Your local home improvement store to purchase vinyl pieces to use to replace the trim. These vinyl pieces are affordable and can be cut in various sizes, as well as painted in the color of your choice. Using the step-by-step instructions above, remove the garage door trim and the door jamb.
Nail the Jamb to the Frame
Beginning at the top of the door jamb, nail the purchased vinyl jambs, using a fastener to hold them in place every 12 to 16-inches. Use stainless steel trim screws for best results. Nail precut miters to the top of the brick mold trim, nailing to the frame every 12-inches using 10d galvanized casing nails. The stop molding requires 6d casing nails. There are premarked areas on the trim that indicate where the casing nails should be nailed.
Connect the Corners & Set the Mold
Use PVC cement to glue the corners of the brick mold. When the glue has time to set (usually about an hour,) nail the corners into place. Keep 2 ½-inches of space from the back of the garage door to the vinyl stop molding to ensure the rubber seal fits properly against the door.
Important to note that Pre Drilled nail holes, leave an ⅛-inch gap at each of the jamb ends, when the temperatures are below 40 F during your installation. This extra room is needed for expansion that occurs during cold weather.
If you wanted to know how to replace trim around a garage door that’s worn or rotted, the step-by-step instructions above put you on the forefront of easily completing this project in a few short hours, eliminating the need for a professional.