Air Sealing Attic New Construction

Spray foam rigid foam board fiberglass cellulose or a combination of.

Air sealing attic new construction.

New construction csg 2000 54 cape kneewall. So you want to do everything you can to stop that air from coming in and it s vital to do the extra measure of air sealing before the house is built not after because it becomes too difficult and costly due to access issues. It s always best to use techniques and materials identified as best practices for your site and climate. From the basement to the attic effective underfloor insulation helps keep every floor more comfortable.

Why insulation is mandatory for new construction. Controlling air leakage is also critical to moisture control. Let s look at the low hanging fruit the simple approaches that will help you hit 3 ach50 the first time out. New standards for air sealing require a range of new materials and methods.

Our air sealing solutions help you reduce energy loss and meet increasingly stringent energy codes. In new construction you have many choices of insulation material to chose from. If you are not a do it yourself type of person there are plenty of contractors who are able to seal your attic. As a construction contractor you want to offer your clients the very best.

Here are some general air sealing techniques and materials for new homes. But air sealing a new home under construction should only take a few hours. And electrical pentrations in walls are sealed with expanding foam to stop air flowing between the lower floors and the attic. Proper air sealing not only conserves energy and saves you money but also makes home improvements like new windows and insulation more effective.

Energy saver walks us through the process of air sealing and insulating two newly constructed condominium units. Insulation sealing and insulation in new construction larry janesky from dr. Climate specific construction details are available through building america. One solution install and seal blocking in floor joist bays below kneewall seal bottom edge of sheetrock on kneewall with minimally expanding foam or caulk rigid sheathing on backside of kneewall air dam at end of joist bay diagram from field guide residential new construction csg 2000.

The attic is prone to holes and cracks at its access points. The insulation doesn t typically stop all of the air infiltration george del valle an insulation contractor said. One option for super tight construction without factory framing is a perfect wall house.