What Type Of Insulation Do I Use For Exterior Walls

Some key benefits of cavity wall insulation.

What type of insulation do i use for exterior walls.

See the department of energy s doe ranges for recommended levels of insulation below. These will give the walls a slightly more finished look and you won t have the itchy fibers of the insulation exposed and ready to catch dust at all times. Blanket batts and rolls are typically constructed with. These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.

If the walls and ceiling will remain open not covered with drywall or plywood it s a good idea to use paper faced or encapsulated fiberglass bats that are wrapped in a plastic film. Foam board or insulating boards are rigid panels of insulation that have a high r value. Exterior walls and floors. Extremely lightweight and easy to handle foilboard cavity wall insulation is outstanding for use in exterior walls including brick veneer cavity walls concrete walls and cladded walls.

Use the same insulation to insulate the garage as that used for the home s exterior walls. Complete with flexifast fastener technology our insulation is flexible fast and easy to use. Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces. How to insulate house walls from the outside.

Best for floors foundation and basement walls interior and exterior wall sheathing and low sloped ceilings. Blanket batts and rolls best for. 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. While rated differently these two types of insulation are close enough in thickness that they can both fit into modern two by four wall systems.

In most wall applications you will use r 13 or r 15 kraft faced fiberglass insulation rolls for these two by four stud walls. It may look easy to go buy some packs of rigid insulation panels down at the. Do it yourself insulation of unfinished walls floors and ceilings. Turn off the electricity then remove an electrical outlet cover for a view of exterior insulation.

Check garage walls and ceilings that are adjacent to conditioned spaces. Adding extra insulation to the exterior walls of an older home when renovating or remodeling is a great way of improving a home s walls thermal performance and reducing energy use while reducing heating bills carbon footprint and improving a building s comfort level. Insulate the garage s ceiling by using the recommended r. 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.