Air Sealing Attic New Construction

Insulation sealing and insulation in new construction larry janesky from dr.

Air sealing attic new construction.

Controlling air leakage is also critical to moisture control. Watch and see how to air seal attic penetrations to improve energy efficiency and prevent warm air rising inside a home from entering the attic space. Attic insulation air sealing experts enjoy a more comfortable healthy and efficient home with quality attic insulation services. Our air sealing solutions help you reduce energy loss and meet increasingly stringent energy codes.

If you are not a do it yourself type of person there are plenty of contractors who are able to seal your attic. It s always best to use techniques and materials identified as best practices for your site and climate. 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. Home comfort problems often start in the attic where poor insulation and numerous air leaks create problems for your heating and cooling system and make your home uncomfortable.

One option for super tight construction without factory framing is a perfect wall house. New standards for air sealing require a range of new materials and methods. Energy saver walks us through the process of air sealing and insulating two newly constructed condominium units. New construction csg 2000 54 cape kneewall.

Let s look at the low hanging fruit the simple approaches that will help you hit 3 ach50 the first time out. Spray foam rigid foam board fiberglass cellulose or a combination of. Why insulation is mandatory for new construction. In new construction you have many choices of insulation material to chose from.

But air sealing a new home under construction should only take a few hours. Here are some general air sealing techniques and materials for new homes. The attic is prone to holes and cracks at its access points. 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.

From the basement to the attic effective underfloor insulation helps keep every floor more comfortable. And electrical pentrations in walls are sealed with expanding foam to stop air flowing between the lower floors and the attic. As a construction contractor you want to offer your clients the very best.