29 Dec '12, 8pm

EcoHome Magazine: Overview Of Spray Foam Insulation

EcoHome Magazine: Overview Of Spray Foam Insulation

If a single product can claim the status of a green building silver bullet, it might be foam insulation. Singlehandedly, these products can almost guarantee the highest practical levels of R-value per inch, effective air sealing, moisture management, and a higher performance as expanding foam usually fills even unseen gaps; plus, foam remains less susceptible to poor-quality installation, with most jobs done by trained applicators. But with significant cost differences and subtleties in the performance characteristics and environmental impact of various foams, it’s important to understand the pros and cons of the basic foam products before choosing the best one for a specific project. Foam Basics If you’ve used a can of foam sealant, you already know the basics: The insulation comes as a sticky, thick liquid that reacts with air, expanding to flood any cavity you squirt it...

Full article: http://www.ecohomemagazine.com/green-products/expanding-o...

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