Expanded Polystyrene
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Building a Budget-Friendly Unvented Cathedral Roof
To lower the cost of roof insulation, plan ahead
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A Buyer’s Guide to Insulation
Is there a "best" kind? It all depends on your point of view.
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Curbside Recycling for Polystyrene Foam
A Nova Scotia community launches the province's first recycling program specifically for rigid foam
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A German Deep-Energy Retrofit
In Berlin, expanded polystyrene (EPS) is the insulation of choice for exterior insulation retrofit projects
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Polyiso Insulation Performance in Cold Climates
Although extruded polystyrene (XPS) is rated at R-5 per inch, it performs better than R-6 polyiso in cold temperatures
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Do We Really Need 12 Inches of Foam Under Our Slab?
A last-minute attempt to apply value engineering to our Passivhaus design
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How to Install Rigid Foam Sheathing
What you need to know to install polyisocyanurate, XPS, or EPS on the outside of your walls
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How Much Insulation is Needed?
Standard residential construction in much of the country is 2x4 framing with fiberglass insulation, achieving a paltry R-10 or so in the walls. If insulation is installed at all on…
