This material is more expensive than other types of insulation. It also must be applied by a trained contractor. Alternative insulation types such as fiberglass and cellulose, a wood-based material frequently recovered from recycled paper, are much cheaper but far less effective.

Articles and Information spray foam insulation
Envirofoam Bochure page 1

Envirofoam brochure page 2

The 7 Criteria of Highly Efficient Insulation

Learning the difference between .5 Lb Foam and and 2.0 Lb Foam

fire Test

Home Heat loss diagram

Closed cell insulation

The energy efficient mortgage

How Homes Become Green

Spray Foam In The Building Envelope

Insulating Unvented Attics With Spray Foam

R-Value Myth

Questions and answers

Description of Spray Foam Insulation

Spray foam is a type of insulating material that is used in new and old construction to fill gaps between framing timbers and exterior sheathing. It is mold, pest and flame resistant and creates an airtight seal, blocking out cold air, preventing interior air loss and stopping harmful exterior air from infiltrating the home. In addition to making the interior of the home cleaner and more comfortable, spray-foam insulation also blocks outside noise for a quieter enviroment.
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