What are the options for radically improving their wall insulation.
Exterior wall insulation options.
Most used when framing the exterior walls of a house.
This combination ensures that the insulation is neither too loose nor too tightly packed within the walls.
Some newer homes may have walls built with 2x6 studs.
Use r 19 or r 21 kraft faced fiberglass insulation for two by six 2x6 walls.
If there s no insulation present you can have professional insulation contractor blow insulation into the wall cavities through small holes drilled through the exterior.
After the insulation is installed the holes are filled and can be painted to match the exterior.
Best for interior and exterior walls in cold or humid climates especially for homes with masonry or wood walls.
Current standards in most parts of the u s.
Exterior wall insulation options if you re a contractor or a motivated diyer looking for the most effective exterior wall insulation options insofast expanded polystyrene foam panels are affordable and durable while also being simple and straightforward to install.
Structural sheathing and non structural sheathing.
Below are a few methods for improving an older home s insulation levels and attaching exterior wall insulation successfully.
Exterior sheathing can be loosely grouped into two categories.
It s installed over the exterior walls of the home and can have several purposes from lending structural support to helping to insulate the home.
Larsen trusses with cellulose or batt insulation.
What is exterior foam insulation.
Exterior foam insulation systems require the installation of between 2 and 6 inches of rigid foam insulation polyisocyanurate eps or xps on the exterior side of the wall framing.
A larsen truss wall is one with engineered i joists attached to the outside of a stud or brick wall which then creates a cavity that can be filled with additional insulation.
Call for at least r 13 exterior walls and r 38 ceilings the latter being higher because of heat s tendency to rise.
You won t find a better method of installing exterior continuous insulation.
Exterior sheathing is a board or panel that may be made of several different materials.
This method is not recommended when there is currently some insulation in the wall.
Exterior foam board insulation is one of the few.
House wraps and kraft faced insulation are examples of vapor barriers that help control the amount of moisture that passes through the insulation.
Structural insulated panels sips are typically made by a plastic foam rigid insulation between two structural skin surfaces such as oriented strand boards osb.