16 Mar '13, 2am

Spray Foam Insulation Is Not a Magic Bullet | #avlgb

In case you haven’t noticed, I’ve been pretty hard on batt insulation Insulation, usually of fiberglass or mineral wool and often faced with paper, typically installed between studs in walls and between joists in ceiling cavities. Correct installation is crucial to performance. in the past . I feel that my complaints and concerns are well justified, but no matter which insulation product is chosen, it has to be installed properly or it just doesn’t work. Many people mistakenly believe (myself once among them) that spray polyurethane foam (SPF) is the perfect product, is always installed right, and tightens up homes every time. This is simply not the case. In fact, I am seeing more and more poorly installed SPF than ever before. Demand for SPF has increased, bringing more installers into the market, many without the necessary experience or quality control to provide consist...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/green-buil...

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