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Getting to Know Spider Insulation

by LiveModern Webmaster last modified Jul 26, 2013 01:01 AM
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by Alex Wilson last modified Jul 22, 2013

Author name:  Alex Wilson Blog Category:  Energy Solutions GreenSpec Insights Spray-applied fiberglass insulation offers huge benefits over fiberglass batts and even has some advantages over cellulose Spider insulation being sprayed into an open wall cavity. Click to enlarge. Photo Credit: Alex Wilson We’ve just completed the installation of a relatively new and (at least in New England) little-known insulation material called Spider. As a reminder, the house we are renovating (really re-building) in Dummerston, Vermont has provided an opportunity to try out dozens of innovative products and materials that I’ve long researched and written about in Environmental Building News . Insulation has been a particular focus of the project, in part because some of the most common insulation materials on the market have environmental or health concerns , including halogenated flame retardants and blowing agents that contribute significantly to global warming. In previous blogs I described Foamglas , a cellular-glass material, that we installed under the foundation slab and on the outside of the foundation walls, and expanded-cork boardstock insulation that we installed on the outside of above-grade walls spanning over the wood framing. Here I’m covering the third innovative insulation product we used on the project: a spray-applied fiberglass product made by the Johns Manville Company called Spider . read more





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