Adding Foam Insulation Exterior Walls

Re siding an existing home presents an opportunity to upgrade the home s energy performance.

Adding foam insulation exterior walls.

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. Another alternative is spray foam insulation. If you d like to start saving money and time today buy foam it green spray foam insulation now or call us at 800 516 0949. Some types of thicker foam board insulation are available but they may need to be special ordered.

Choose foam it green spray foam insulation kits and don t settle for less than you deserve. Before switching to spray foam insulation tom used to use polyisocyanurate panels that way he would build a 2x4 wall insulate between the studs with batting paper face removed then cover the whole thing with foil faced panels and seal them with foil tape before putting up wall board. First the foam is sprayed into the wall in a procedure that very closely resembles the process of installing loose fill insulation. If your house is relatively new it may have insulation outside the basement or foundation walls.

It comes in standard size 4 8 sheets and smaller sizes in many different thicknesses from 1 4 inch to 2 inches. The builder or the original homeowner might be able to tell you if exterior insulation was used. How to insulate house walls from the outside. Retrofit wall insulation is a debatable subject because there is no single right answer for all homes and homeowners.

Only a cost benefit analysis in relation to your own situation can help you arrive at the right answer. Adding a layer of rigid foam to the walls of any building is somewhat labor intensive. When properly constructed it provides a tight dry warm and durable structure. If the crawlspace isn t ventilated it may have insulation in the perimeter wall.

Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch. This video shows an example of a home that has rigid foam installed on it but not quite the way we would recommend. There are many different types of spray foam but they all function in roughly the same way. It may look easy to go buy some packs of rigid insulation panels down at the.

If you are wanting to create a thermal br.