Product
Garage attic insulation
The attic or ceiling space above a garage is often a weak spot. Insulation there slows heat flowing between the garage and the roof space, and between the garage and any room above or beside it. We offer it on its own or as a bundle with garage door insulation. The usual material is blown-in fiberglass.
Specification sheets and current options come with your quote. Nothing here is a performance promise.
See it
Photos
A diagram of the product first, then typical spaces where it is used. Photos of our own jobs are added as we finish them.
- Barrier under the roof, insulation over the ceiling
- Slows heat conducting down into the garage

- Glass-panel doors need a product that suits the panel
- We check the door before we recommend anything

- Rafters and roof decking are where the barrier is fixed
- Open air space in front of the foil is what makes it work

- Reflective insulation goes in walls and metal buildings too
- Sealed seams matter as much as the material
Bundle
Garage door plus garage attic
A garage loses heat through the door and through the ceiling or attic above it. Doing both in one visit means one quote and one install. Ask us about bundle details and pricing.
What we install
Blown-in fiberglass
Blown-in (loose-fill) fiberglass is the insulation builders typically use in Texas attics. It is blown over the ceiling to an even depth, so it fills around joists, wiring and other obstacles that a roll of batt insulation has to be cut to fit.
- Good for open attic floors above a garage ceiling that are easy to reach.
- The depth you end up with decides how well it works, so we measure and show you the depth.
- It must not block the vents at the roof edge, so we keep that airflow clear.
- Recessed lights, flues and fans need clearance, and we keep it back from them.
- Old insulation that is wet, matted or contaminated needs attention first.
We do not quote an R-value until we know the product and the depth. Ask for the maker data sheet.
Where it fits
Good fits
- Attached garages with a room or attic above.
- Detached garages used as a workshop, gym or hobby room.
- Garages where the ceiling or attic has thin, settled or no insulation.
- Homeowners already insulating the garage door.
Be realistic
Not the best fit
- Garages with roof leaks, moisture or pests that must be fixed first.
- Spaces where the real issue is air leaks around the door or walls.
- Anyone expecting a guaranteed saving or a set temperature. We do not make those promises.
Good to know
Things we check first
- The type, depth and condition of any insulation already there.
- Access to the space above the garage.
- Vents, fans and flues that must stay clear.
- Wiring, recessed lights and garage door opener fittings that need clearance.
- Whether a radiant barrier would add value in that space. Often it does not need to.
How it works
From request to install
Tell us about the job
Send the address, the garage type and what you want to improve.
We check the garage
We look at the space above the garage and what insulation is there now.
Quote, then install
A clear quote first, or one quote for the door and attic together. Kexova installs it.
Questions
Garage attic insulation questions
What do you mean by garage attic?
The attic or ceiling space above a garage, whether the garage is attached or detached.
Why bundle it with the door?
The door and the ceiling are the two big heat paths in many garages, and one visit is simpler than two.
What type of insulation do you install?
Typically blown-in fiberglass, the common builder-grade insulation in Texas attics. Ask us what suits your garage.
Will it make my garage cooler?
It can help, but results depend on the garage and the weather. We will not promise a figure.
Do I need a radiant barrier too?
Not always. We will tell you if it adds value for your garage.
Related
Also worth a look
Planning a garage upgrade?
Tell us about your garage. We will quote the door, the attic, or both.
Get a free quoteRelated products
Radiant barrier · Double-bubble reflective insulation · Garage door insulation
Radiant barrier and reflective insulation, installed by Kexova.
Serving Texas homeowners and builders.
Performance depends on the product, the building and the installation. Specification sheets are provided at quote.
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