Recommended Insulation For Garage Walls

Recommended home insulation r values.

Recommended insulation for garage walls.

R value is a measure of insulation s ability to resist heat traveling through it. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. Insulating a garage door can be more involved than insulating the walls and ceiling. Insulate the garage s ceiling by using the recommended r value for your area as advised by the department of energy s oak ridge laboratory.

Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation. The easiest option is to buy an already insulated door. The higher the r value the better the thermal performance of the insulation.

Here s my step by step process for how i added insulation to my garage. If you already have drywall installed around your garage but don t have it insulated then blown in insulation may be the answer. You can insulate the walls ceiling and door of the garage to the highest r value possible but if you fail to fill those air gaps you ll still be wasting a lot of heat. How to insulate a garage door.

When you are insulating two by four 2x4 and two by six 2x6 framed exterior walls and want to use fiberglass insulation what thickness is best the question becomes all more critical because of the permanent nature of wall assemblies and wall insulation. And don t forget to take flooring into account. How to insulate a garage step by step. Last chance to waterproof your wall.

A contractor will come and open up a hole in the wall pump in a cellulose insulating material and then patch up the opening. So before insulating go around the garage with a can of low expanding spray foam and seal all gaps and cracks that let in the daylight. If you didn t do that before you put the frame up you can still do it now although it s going to be. For example while an epoxy coating will add a protective layer to the floor it won t necessarily add insulating.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Consider all aspects of insulating your garage not just the walls but also the garage doors and the ceiling particularly if you plan to add a heating and or cooling system. If the walls and ceiling are closed in consider using loose fill insulation as this form of insulation uses a machine to get the insulation where it needs to go through a hole in the sheetrock. I wrote a tutorial on how to waterproof and seal your garage walls using drylok.