How To Insulate Concrete Garage Walls

There are several insulation types you can use including batt or blanket blown in and spray.

How to insulate concrete garage walls.

Staple the insulation all the way down the side of the stud. Use concrete adhesive to secure rigid foam to the wall as needed if friction isn t sufficient. Add a layer of 1 2 inch drywall over any rigid foam insulation. Spray insulation is best performed by a pro and requires a good bit of setup in advance.

After the adhesive cures add extension boxes to the outlets and switches and spray foam into every gap top bottom and around each box. Now as you glue the panels to the exposed concrete blocks leave a inch gap at the floor and ceiling and cut holes in the panels to fit around outlets and wall switches. Perhaps the easiest way to add insulation to open garage walls is to install fiberglass bats between the studs. I wrote a tutorial on how to waterproof and seal your garage walls using drylok.

Bats are manufactured in widths of either 13 to fit in between studs 16 on center or 21 for studs 24 on center. Air sealing the garage walls. This drywall is required by most building codes to. How to insulate a garage step by step.

They are also commonly available in two thicknesses 3 to fit into 2 x 4 framing or 5 for 2 x 6 studs. Last chance to waterproof your wall. Insulate your cinder block garage to reduce your heating bill. Cinder blocks are uniform concrete and cinder blocks used in the construction of low budget walls and foundations.

For the purposes of this discussion we ll cover batt and blanket. The cinder block material is light and porous. Put a piece of wood on top of the insulation to use as a guide to cut the insulation to the right size. If you didn t do.

Use a utility knife to cut excess insulation so it fits the size of the stud. And work your way.