What Type Of Insulation Do I Use For Exterior Walls

See the department of energy s doe ranges for recommended levels of insulation below.

What type of insulation do i use for exterior walls. In most wall applications you will use r 13 or r 15 kraft faced fiberglass insulation rolls for these two by four stud walls. Complete with flexifast fastener technology our insulation is flexible fast and easy to use. Some key benefits of cavity wall insulation. Turn off the electricity then remove an electrical outlet cover for a view of exterior insulation.

Use the same insulation to insulate the garage as that used for the home s exterior walls. Do it yourself insulation of unfinished walls floors and ceilings. 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. Insulate the garage s ceiling by using the recommended r.

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. 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. Exterior walls and floors. Best for floors foundation and basement walls interior and exterior wall sheathing and low sloped ceilings.

Blanket batts and rolls are typically constructed with. Because they have a high r value and can be used nearly anywhere in your home foam boards are one of the most common types of insulation. 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. Check behind knee walls which are walls between living spaces and the garage or attic.

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. 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. How to insulate house walls from the outside.

Foam board or insulating boards are rigid panels of insulation that have a high r value. It may look easy to go buy some packs of rigid insulation panels down at the. Check garage walls and ceilings that are adjacent to conditioned spaces. 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.