Foam Board Insulation Garage Ceiling

0 78 in x 8 ft x 4 ft styrofoam residential sheathing 15 psi 1 faced polystyrene garage door foam board insulation with sound barrier item 14545 model 202059.

Foam board insulation garage ceiling. If it isn t you don t want to insulate. The most obvious reason for installing rigid board insulation in your garage is the heating and cooling efficiency gained by using it. This will help while you re up on the ladder. Eps is used under roofing over foundation walls and beneath siding.

Measure the height and width between the framing in the ceiling and pre cut the pieces you ll need. Types of insulating boards choose from three types of insulating foam core boards for wall insulation. Use fibreglass cellulose foam board or closed cell spray foam if. I hate to burst your bubble but most building codes require a minimum of a one hour fire resistance wall and ceiling covering in a residential garage if the garage is part of the house.

Insulating the ceiling of your garage involves the same process as insulating the walls. R 3 2 polyisocyanurate rigid foam insulation board. But if the garage is heated you should definitely insulate. Doing so can cause mildew.

Regular ceilings are likely to be under attics with either batt insulation between the joist bays or in some cases rigid insulation between the rafters. Although foam board insulation can be used in almost any part of a home this material is particularly well suited for a garage space where exposed walls and ceilings need insulation with ease of installation. You may need to cover all of that foam insulation with fire code 5 8 inch plasterboard to meet those code requirements. Just remember to use thicker r 40 insulation.

Rigid foam insulation also known as insulating boards provide high r values. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. 0 78 in x 8 ft x 4 ft. R matte rmax r matte plus 3 1 2 in.

You can even place it under the foundation slab. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Rigid boards are manufactured from either.