how to replace trim around a garage door

garage door trim
Tools Needed
1 Measuring Tape
2 Paper
3 Ink Pen
4 Door Stop
5 Door Seals
6 Exterior Caulk
7 Weather stripping
8 Rubber Threshold
9 Flat Screwdriver
10 Cleaning rag
11 Utility Knife
12 Chalk
13 Glue
14 All-purpose household cleaner
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Materials Needed
1 PVC Cement
2 Drill
3 Drill Set
4 Stainless Steel Trim Screws
5 6d stainless steel casing nails
6 Hammer
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Total Cost
$25-$100
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Estimated Time
3-4 Hours
Skill Level: Advanced
The total cost and duration may vary when hiring a handyman!

Project Overview

person replacing garage door trim

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.

Step-By-Step Instructions

1

Take Garage Door Measurements

person taking measurements of a garage door opening

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.

2

Remove the Garage Door Seal

removing old garage door trim

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.

3

Install the Threshold

can of degreaser and scrubbing brush

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.

4

Remove the Jamb & Trim

person removing garage door jamb

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.

5

Nail the Jamb to the Frame

installing a garage door trim piece

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.

6

Connect the Corners & Set the Mold

person setting garage door trim in place

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.

Conclusion

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.

How To Replace Trim Around A Garage Door

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    National Garage products offer a long-lasting durability that our customers have come to rely on. Crafted for performance, style, and dependability, these garage doors are the perfect addition to your garage. Our doors are built with the highest grade material in the industry and can be customized to fit the style and architecture of your home. With a wide range of custom option available, your garage door selection can satisfy the traditional look or transform into a stylish masterpiece.Garage Doors by National Garage are engineered to withstand the various types of weather in any season and are built with superior craftsmanship. Enhance and protect your dream car and home with a great looking garage door built uniquely for you. Partner with us to achieve the distinctive view your wish to create for your elegant home.
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Questions And Answers

What kind of paint to use on a wooden garage door?
It is recommended that you use an exterior acrylic high-quality paint. Latex paint is able to be applied on top of oil or latex-based primer. Make sure that the surface is clean and old paint has been removed before sanding, priming, and ultimately, painting.
How long does it take to put on a new garage door?
The timing of putting on a new garage door varies. However, the average installation of a new garage door is around three hours. The larger the door, the longer it is going to take. If you only have a small garage door, it should be a bit quicker.
How much is a two car garage door?
For a new two-car garage door to be installed, on the low side it cost about $2000. This price can vary greatly depending on the features you want, as well as the material that you wish to have your garage door constructed of. The price just climbs from there.
How much does it cost to paint a garage door?
Depending on where you are located, the cost of painting your garage door will run between $1.29 and 2.75 for each square foot. The cost can vary based on the type of paint that you want as well as other factors. Where you live may also have an effect.
Can a garage door be repaired?
Yes, you can have a garage door repaired. Depending on what is wrong with the door you may find it cheaper to just replace the whole thing. It is also important to keep in mind that because of the springs used in the door assembly, repairing can be dangerous.
How much is a new garage door?
The cost of your new garage door will be dependent upon a number of things. First, the material used for the garage door, as well as how large the door is. Finally, will you need an automatic door system? If so, you need to calculate in that added expense.
How much is a new garage door?
To replace the door for your garage you are looking at $300, on the low end, for a single door garage. On the high end, it will cost about $2,000. The typical range for a garage door replacement is between $730 and $1,422. The national average for replacement is $1,607.
How much does it cost to replace garage door springs?
With time, your garage door springs are going to break down. The garage door springs usually cost an average of $150 to $200. This could vary depending on where you get the garage door springs. This is considering the springs and labor to have it done.
How much does it cost to replace garage door panels?
Garage door panels range in the prices. To install a simple panel, it could be anywhere from $200 to $800 or so. That is for the door and the installation costs.
How much are garage door panels?
Depending on the garage door a panel repair will cost you around $150 and up. A full panel replacement will cost $250 and up. Sometimes it can be the most cost effective to replace the whole garage door as opposed to replacing or repairing panels.
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