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Researchers have developed an R-12 per inch foam board, double the R-value of current rigid insulation.
Careful detailing helps maintain the thermal break provided by the high-performance window, and flaring the sides of the 8-inch-deep window well allows plenty of light to reach inside.
Step flashing; air-sealing; buried outlets; framing roofs; uneven insulation; sealed crawlspaces; window flashing; keeping flat-roof drains clear
Coastal Connection visits the job site with specialty contractor Energy One America to see a crew install a vapor barrier and perimeter insulation for a conditioned crawlspace.
Researchers monitor temperature and moisture in a house for three winters to see whether 12 inches of dense-blown cellulose would work as well as the same thickness of medium-density open-cell spray foam.
A lesson in building science tells us why attic insulation needs to be as flat and smoothed-out as possible.
Hammer & Hand owner Sam Hagerman provides useful insights into the use of Roxul insulation, which his company is installing on a Passive House in Seattle.
In the teeth of a record-breaking winter, Thompson Johnson Woodworking wraps the shell of a vintage house on a Maine island with an air-tight insulated skin.
Water migrating through the basement wall is channelled out below the floor.
Practical solutions for quieting homes
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