Green Building Attic Insulation

1 in field testing on identical 2x4 exterior wall types greenfiber r 13 stabilized spray applied insulation outperforms r 15 unfaced fiberglass batts by 4 nic raring points which equates to a 60 reduction in sound power.

Green building attic insulation. Green building blog attic insulation upgrade seal air leaks first. Department of energy polystyrene insulation comes in rigid foam boards that make it easy to insulate any part of a building. Blanket rolls and batts are used in attics and unfinished walls and cavities. After all insulation isn t exactly designed with aesthetics in mind.

Insulation comes in a variety of forms. The weak point in the assembly such as flanking through windows and doors will diminish the value of the reduction in sound power. Offers energy efficient environmentally friendly and affordable insulation solutions including spray foam. But a new wave of eco friendly insulation options has arrived and they re more than worth exploring for your green building or remodeling project.

The amount of insulation installed in any given building assembly depends on the climate the part of the house being insulated the project budget and local code requirements. R 3 1 to r 4 1 per in. Rigid foam insulation boards are usually put between the interior wall and the house s siding and foam is sprayed into wall cavities and used to seal air leaks. By mike guertin february 9 2015.

No matter what service you choose from green attics you ll receive the highest level of care at every turn. Our services include ac repair ac replacement ac maintenance attic insulation duct cleaning and many other energy efficiency services. Sustainable building starts with reducing the heating and cooling loads of the home as much as possible and insulation is the key to energy conservation a cornerstone of green building. In fact it s a form of plastic.

Residential insulation materials have r values that range from about 3 to 7 per inch. It can cost between 1 50 and 3 50 per foot to insulate an attic depending on what insulation material you choose. Common insulation types and their r values. Blown in loose fill fiberglass or cellulose can cover existing insulation.

Well insulated houses not only save energy thus lowering operating costs but also keep people more comfortable. Whether you are building a new home retrofitting an older home or structure or building an addition we will provide you with professional expertise and uncompromising service. Yet polystyrene is a fabulous insulator with r values that range from r 3 8 to r 4 4 per inch of thickness and so it s considered green because it helps save so much energy source. Insulation is designed to reduce energy costs so in that sense any insulation could technically be considered green.

Polystyrene doesn t sound like a green material. Loose fill is blown into or sometimes damp sprayed into attic rafter spaces and wall cavities. More green building blog.