New Construction Wall Insulation

Reduce exterior wall leaks by taping the joints of exterior sheathing and caulking and sealing exterior walls.

New construction wall insulation.

Insulating walls for new homes and remodeling. Wall cavities and foundations are open at the time of new construction which allows your contractor to choose from any number of insulating options. Walls of older homes built before the 1970s and even as late as the 1980s often will not be insulated unless a retrofit project has already solved this problem. Be aware that this insulation is air permeable unless it has a facing to act as a vapor barrier.

It can be installed easily reducing the amount of preparation needed. House wrap the most common air barrier material is house wrap which is wrapped around the exterior of a house during construction. Having uninsulated closed walls in a harsh climate results in discomfort and high energy costs. Cavity fibrous or cellulose insulation can be installed at levels up to r 15 in a 2 inch x 4 inch wall and up to r 21 in a 2 inch x 6 inch wall.

Insulation sealing and insulation in new construction larry janesky from dr. In addition some types of insulation when densely packed in wall cavities and crevices can reduce airflow as well as heat flow. Batts are manufactured to fit between wall studs built to code making installation a breeze in new construction projects. In new construction you have many choices of insulation material to chose from.

Whether it s pink white yellow or blue all insulation is at least a little bit green after all anything that saves so much energy gets high marks for environmental friendliness. Most new construction homes have insulation contained in the wall cavities. Energy saver walks us through the process of air sealing and insulating two newly constructed condominium units. When remodeling one of the best and fastest ways to insulate is using blown in insulation.

Spray foam rigid foam board fiberglass cellulose or a combination of. Once the insulation is in the wall and sealed up with drywall it is not easy to change out. Cellulose is one of the oldest home insulation materials used by custom home builders. Cellulose is used to provide insulation of a new home and it is usually placed in an enclosed wall or the open new walls.

Fiberglass batts typically offer r 2 9 to r 3 8 per inch of thickness. Cellulose can be used as loose fill or it can be blown in to provide insulation for your newly built home. Foam insulation is a very popular choice for insulation in newly constructed homes because it installs very quickly efficiently fills up all cavities and has a high r value meaning that it s. Blown in insulation when installed with the dense pack technique will offer superior air sealing.

R values can be higher for foam insulation and other advanced insulation systems.