New Construction Wall Insulation

Wall cavities and foundations are open at the time of new construction which allows your contractor to choose from any number of insulating options.

New construction wall insulation.

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. Reduce exterior wall leaks by taping the joints of exterior sheathing and caulking and sealing exterior walls. 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. House wrap the most common air barrier material is house wrap which is wrapped around the exterior of a house during construction.

R values can be higher for foam insulation and other advanced insulation systems. When you are insulating two by four 2x4 and two by six 2x6 framed exterior walls and want to use fiberglass insulation what thickness is best the question becomes all more critical because of the permanent nature of wall assemblies and wall insulation. It can be installed easily reducing the amount of preparation needed. Cellulose can be used as loose fill or it can be blown in to provide insulation for your newly built home.

Once the insulation is in the wall and sealed up with drywall it is not easy to change out. When remodeling one of the best and fastest ways to insulate is using blown in insulation. Batts are manufactured to fit between wall studs built to code making installation a breeze in new construction projects. 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.

Spray foam rigid foam board fiberglass cellulose or a combination of. A lack of. In addition some types of insulation when densely packed in wall cavities and crevices can reduce airflow as well as heat flow. Insulating walls for new homes and remodeling.

Blown in insulation when installed with the dense pack technique will offer superior air sealing. But increasingly the materials we put inside our walls and ceilings are turning a deeper shade of green with old standbys like fiberglass and foam cleaning up. Having uninsulated closed walls in a harsh climate results in discomfort and high energy costs. Be aware that this insulation is air permeable unless it has a facing to act as a vapor barrier.

Energy saver walks us through the process of air sealing and insulating two newly constructed condominium units. In new construction you have many choices of insulation material to chose from. 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. Fiberglass batts typically offer r 2 9 to r 3 8 per inch of thickness.

Cellulose is one of the oldest home insulation materials used by custom home builders.