Exterior Wall Insulation Options

Use r 19 or r 21 kraft faced fiberglass insulation for two by six 2x6 walls.

Exterior wall insulation options.

As a rule the better a material performs the more it costs though some products are expensive simply because they occupy a tiny sliver of the market and can t offer the economies. Exterior sheathing can be loosely grouped into two categories. Insulation for 2x6 walls. Structural insulated panels sips are typically made by a plastic foam rigid insulation between two structural skin surfaces such as oriented strand boards osb.

Best for interior and exterior walls in cold or humid climates especially for homes with masonry or wood walls. Below are a few methods for improving an older home s insulation levels and attaching exterior wall insulation successfully. Call for at least r 13 exterior walls and r 38 ceilings the latter being higher because of heat s tendency to rise. This combination ensures that the insulation is neither too loose nor too tightly packed within the walls.

Most used when framing the exterior walls of a house. Structural sheathing and non structural sheathing. 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. What are the options for radically improving their wall 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. Current standards in most parts of the u s. Exterior foam board insulation is one of the few. Structural insulated panels sips are used in floors walls and roofs providing an extremely durable sustainable and energy efficient high performance material.

Some newer homes may have walls built with 2x6 studs. House wraps and kraft faced insulation are examples of vapor barriers that help control the amount of moisture that passes through the insulation. You won t find a better method of installing exterior continuous insulation. 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.

After the insulation is installed the holes are filled and can be painted to match the exterior. 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. Larsen trusses with cellulose or batt insulation. What is exterior foam insulation.