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Gaining Experience with a New Material

by LiveModern Webmaster last modified Nov 30, 2012 01:01 AM
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by Alex Wilson last modified Nov 29, 2012

Author name:  Alex Wilson Blog Category:  Energy Solutions GreenSpec Insights Using Foamglas instead of polystyrene to insulate beneath our basement slab and on the foundation walls. Eli Gould cutting Foamglas for use under our basement slab. Click to enlarge. Photo Credit: Alex Wilson In my role with Environmental Building News and our GreenSpec Product Database , I get plenty of opportunity to research and write about innovative building products. That’s one of the really fun aspects of my job. On occasion I also get an opportunity to try out new or little-known materials. In the construction of our new home in Dummerston, Vermont—actually the rebuilding of a 200-year Cape—I’ve had opportunity to get some real experience with lots of products. One of these is a cellular glass insulation material known as Foamglas (check out Foamglas in GreenSpec ). Why we need a product like Foamglas I’ve written often about the problems with extruded polystyrene from an environmental and health perspective. Relative to performance, extruded polystyrene (XPS) is a great product. It is water-resistant so can be used below-grade; it has high compressive strength so can be used beneath a concrete slab floor; it insulates very well (R-5 per inch); and it’s inexpensive. These properties make XPS the nearly universal choice for sub-slab and exterior foundation insulation today. read more




 

 


 

 

 
 
 

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