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If you have an older garage door chances are the bottom seal is worn out. Replacing garage door bottom seal is easy to do. Most garage door bottom seals are relatively inexpensive and easy to purchase online. Before making any purchases you will need to determine the length, width, color and type of seal needed.
Measure the Garage Door
Most residential garage doors are either 9ft or 16ft wide. Measure your garage door opening to verify how many feet of bottom astragal you will need. It would be smart to purchases an extra foot of material to allow for shrinkage and folding each end in. If you have more than one garage door it would be wise to replace all of the seal at the same time. Volume discounts are available for purchases exceeding 20 ft.
Types of Bottom Seal
The most common types of bottom seal are T type bottom seal and J type bottom seal. Be sure to match up the type of bottom seal you currently have to what you intend on purchasing. Aluminum retainers on the bottom of most garage doors only accept specific types of bottom seal. If you don’t have any seal on the bottom of your door you will need to examine the retainer channels. Retainers may have double channel or single channel systems.
- T Type Bottom Seal
- J Type Bottom Seal
- Beaded Bottom Seal
- Bulb Bottom Seal
- Wood Door Bottom Seal
Bottom Seal Profiles
Do you have a low spot in the concrete where water and debris leaks under the garage door? Selecting a wider profile bottom seal may help seal low spots. The most common profile is 3.5 inch although profiles up to 6 inches are available. If you are matching doors you will need to pay attention to the color of the seal. Common colors are black and gray, although yellow is available for commercial applications.
Installing Bottom Seal
After purchasing your garage door bottom seal you will need to remove the existing seal. This is best done by using a razor blade to slice the old seal in half. It is much easier to pull the seal out of the channel. After completely removing the old seal you will need to clean the retainer. Spray the aluminum bottom retainer with a lubricant like WD-40. You can use compressed air or a pressure washer if you have either available. A screw driver may be needed if you find bent spots in the bottom retainer. Use the screw driver to bend out any existing creases. After preparing the retainer you can start sliding the new bottom seal into place. It may be necessary to have one person pull on one end while the other person feeds the seal into the channel. Leave 2-3 inches extra on each side to allow for shrinkage and fold the ends back into the gap in the channel.
- Remove Old Seal
- Clean Out Retainer
- Repair Bent Channels
- Install New Seal
- Fold Ends Back In
Properly insulating garage doors saves homeowners hundreds of dollars each year. Heating costs in the winter and cooling costs in the summer can really add up. Insulating your garage door is not only easy to do yourself, but can pay for itself in saved energy costs over the long term. A few simple steps will allow you to cut your energy bills and start saving money.
Many homeowners make the mistake of buying a non-insulated garage door for an attached garage. While you made save money in upfront costs with a non-insulated garage door you will lose money in energy costs. All is not lost though, as you can buy an insulation kit for most non insulated garage doors. Garage door dealers and box stores offer garage door insulation kits for $50-$150 that can be easily installed by homeowners. These kits are made up of a series of insulated panels that fit in to the back cavity of your garage door. They provide an R-Value of 6.0-9.0 depending on the brand and desired level of insulation. These kits will pay for themselves over the long term and make your garage a much more comfortable environment. When installing an insulation kit it may be best to add more tension to the torsion springs on your garage door to account for the increased weight. Failing to do so will result in decreased life of your garage door opener.
The perimeter seal weatherstripping on a garage door can wear out over time. It is important to change out your vinyl door stop molding as needed. The side seal that goes around the perimeter of the door keeps the elements out of your garage. Weatherstrip covers the space between your garage door and the wooden frame. When properly installed and maintained it will keep wind, rain, insects and animals from entering the garage. It will also help insulate your garage door and lower your energy costs. Most types of vinyl door stop cost around $1.00 per foot.
Much like weatherstripping, bottom seal protects the gap between your concrete floor and the garage door. The rubber seal at the bottom of your garage door is important for keeping water, leaves and other debris from entering the garage. If you are able to see light from under the garage you will need to adjust your garage door opener or replace your bottom seal. Bottom seal comes in a variety of styles so it is important to identify the type of garage door bottom seal needed. Bottom seal comes in different widths as well which can help cover low spots on your floor. Most types of garage door bottom seal cost around $1.50 per foot.
Insulating Garage Doors
As you can see, insulating garage doors is relatively inexpensive and easy to do. A full garage door insulation project costs under $150 for a double car door and even less for a single car door. If you are able to save just $25.00 yearly for 6 years the kit will have paid for itself . In any case, properly insulating your garage door will result in a much better environment for your family.