31 Dec '15, 2pm

One Man’s Quest for Energy Independence — Part 4 https://t.co/hDL9jPiEKi

One Man’s Quest for Energy Independence — Part 4 https://t.co/hDL9jPiEKi

After a full winter of planning and knowing the house could feel warmer if I just added more insulation, I started searching for used EPS Expanded polystyrene. Type of rigid foam insulation that, unlike extruded polystyrene (XPS), does not contain ozone-depleting HCFCs. EPS frequently has a high recycled content. Its vapor permeability is higher and its R-value lower than XPS insulation. EPS insulation is classified by type: Type I is lowest in density and strength and Type X is highest. . By March I had found two loads of recycled insulation for one-tenth the price of new: 35 sheets of 4-inch and 40 sheets of 2 1/2-inch and enough XPS Extruded polystyrene. Highly insulating, water-resistant rigid foam insulation that is widely used above and below grade, such as on exterior walls and underneath concrete floor slabs. In North America, XPS is made with ozone-depleting HCFC-...

Full article: http://www.greenbuildingadvisor.com/blogs/dept/guest-blog...

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One Man’s Quest for Energy Independence — Part 3-Subtitle: https://t.co/ge7Drlmwsj

One Man’s Quest for Energy Independence — Part ...

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