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Garage Door Repair Dallas TX Blog : Insulated Garage Door - Do It Yourself

Insulated Garage Door - Do It Yourself

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Home owners have found there are many benefits to insulating their garage doors.

Insulation helps retain heat in the winter and cold air in the summer. It drastically cuts energy

consumption and reduces energy bills. Insulation keeps moisture out of your garage thereby

protecting the possessions that you store there. It provides comfort by decreasing outside noises.


The process of insulating your garage door is a fairly simple one which only requires

basic materials available at most any hardware or home improvement store. Gather the items

listed below and follow these simple instructions.


  1. Measuring tape
  2. Polystyrene or reflective foil insulation
  3. Straightedge
  4. Foil tape
  5. Utility knife


Steps for Insulating a Garage Door



Measure the inside of the panels of your garage door which recess from the door’s

lattice frame. The insulation will be installed on the inside of the garage door which faces inside.

Make note of these dimensions and take them along for your shopping trip.


There are two basic styles of insulation available. One is a reflective type foil insulation

which is around 12.5 mm or ½ inch. It is comprised of polyethylene foam sheet sandwiched in

between reflective foil. It may be purchased in rolls and is extremely flexible. Check the

recommendations for insulation against cold and hot weather.


The other style is made of polystyrene foam, is available in sheets, and is inflexible.

Polystyrene is a better insulator than the reflective foil type. It is also much more difficult to

install. Check with several stores to locate the highest quality R-value that will suit the space to

be insulated.




It is not a good idea spray on or batt type insulation on garage doors.




Measure the proper dimensions of each door panel on a sheet of your new insulation

and mark the size with a pen. Cut each piece of insulation out using a straightedge as your

guide. Use a utility knife to cut the piece to fit. Try to err on the larger end as you can simply trim

any excess.




Place your insulation pieces into the garage door panels. Put the insulation panel on the

recessed garage door panel. If the garage door’s frame is made of metal which extends beyond

the door face, try to tuck the insulation in the metal door frame. If this is not possible, try aligning

the insulation with the recessed panel. Be sure to trim away the excess as necessary.




Use foil tape to affix the portion of insulation onto the face of the garage door. You will

not need to do this, if you were able to use the tucking tip. Another method is to place strips of

double sided tape on the garage door panel. Next press the insulation pieces onto the panel.

Continue these steps until you have affixed insulation to all of the panels.




There are also kits for insulating garage doors which are available in home improvement

and hardware stores. The kit saves quite a bit of time because the insulation is precut. Ensure

that the insulation panels are large enough for your garage door panels. Except for the cutting

portion, the installation process is much the same as the steps explained above.

For our garage door installation services>>



Do not cover the hinges with the insulation. It may be necessary to readjust the

spring tension. Be cautious as springs are under immense pressure and can cause damage

and/or injury.



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