Spray Foam Or Batt Insulation Around Windows

Hands down spray foam is the way to go.

Spray foam or batt insulation around windows. I used the spray tite foam sealant for extra insulation around my living room windows for the winter season. The only way fiberglass works at all around windows is if the cavity is completely air sealed on all sides. On the other hand spray foam insulation is itself an air barrier as well as an insulator. Icynene spray foam insulation is an insulation and air barrier material that seals walls floors and ceiling cavities against air movement including spaces around electrical outlets and light fixtures and where walls meet windows and doors.

It can be purchased from any home improvement store and comes in a can. Choose a nonexpandable type specifically made any place in your home where there is a joint such as around windows and to use fiberglass insulation. Spray foam is getting more and more popular in the uk it s a great way to insulate around the windows and protect for years to come. Batt fiberglass features tightly woven glass strands that come together to create a matrix.

This stuff works great with sealing areas that are drafty along the frame. Foam insulation usually in the form of spray polyurethane foam spf works to create effective air barriers around windows by expanding into the gap between the window and its framing or. Consumer friendly spray foam insulation is available in cans for filling gaps around window and door framing. Any draft seeping in from my windows was completely sealed using this foam.

Fiberglass installation labor cost is about 1 00 to 2 75 per square foot based on the amount of insulation and the location. Window insulation foam is a low expanding low pressure polyurethane spray foam that is designed to create a weather tight seal around windows and doors when installed properly. Many listed buildings are using spray foam loft insulation and more and more in commercial use. Batt fiberglass has been used more extensively than spray foam throughout history and it still holds up as one of the most affordable and reliable options.

The most popular spray foams for residential applications are open cell low density insulation and closed cell medium density insulation. While that is possible it s often difficult to accomplish and maintain. The 4x denser foam expands quite significantly so don t over spray your area.