What Type Of Insulation Is Used For Exterior Walls

It may be combined with fiberglass or it may simply be made of gypsum and given a waterproof exterior finish.

What type of insulation is used for exterior walls.

Cellulose is available as blown in insulation making it one of the best options for insulating finished walls in your home. The facing is a vapor retarder meant to slow the migration of water vapor through the wall. Often you may have insulation in the walls but the insulation has become moldy and damp over the years greatly reducing its effectiveness. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

Exterior walls and floors. Gypsum exterior wall sheathing. Do this in conjunction with fixing exterior wall problems that caused the dampness in the first place. Unfinished walls such as foundation walls and basement walls floors and ceilings.

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Gypsum sheathing is a type of sheetrock meant to be used in exterior applications. Placing insulation on the exterior has the added advantage of containing the thermal mass of the blocks within the conditioned space which can moderate indoor temperatures. Our insulation delivers a number of benefits beyond thermal performance in external walls such as best in class fire resistance exceptional noise reduction water repellence as well as vapor permeability and dimensional stability meaning excellent fit and real world performance for the lifetime of the building.

Turn off the electricity then remove an electrical outlet cover for a view of exterior insulation. House wraps and kraft faced insulation are examples of vapor barriers that help control the amount of moisture that passes through the insulation. Foam board or rigid foam panels best for. Best for interior and exterior walls in cold or humid climates especially for homes with masonry or wood walls.

Most used when framing the exterior walls of a house. The installation process typically involves removing a strip of siding from the home s exterior drilling small holes between each wall stud and inserting a tube to fill the cavity to a density of 3 5 pounds per cubic foot. If you are installing fiberglass insulation in outside walls pay attention to the paper facing. Remove and dispose of that old insulation and install new insulation.

Whether you want to insulate a floor or an unvented. Check garage walls and ceilings that are adjacent to conditioned spaces. If warm moist air from inside a house travels through the wall it will condense when it hits the cold sheathing on the outside. Check behind knee walls which are walls between living spaces and the garage or attic.