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New energy codes are calling for higher R-values in the walls
Polyester-lined Tyvek provides R-5 insulation
The best remedy for a sagging out-of-level floor is putting in new LVL joists and engineered subfloor.
JLC executive editor Clayton DeKorne explores some practical solutions to prevent call backs and boost energy performance.
Is there a minimally invasive, cost-competitive, easily deployable method of upgrading soil-side foundation insulation in existing buildings? Read on.
To curtail wasted water and energy, the NRDC and the UA propose that all hot water piping systems in new buildings be insulated, such as those serving lavatories, showers, dishwashers, and kitchen sinks.
Encapsulating ducts with at least 1 1/2 inches of closed-cell spray foam substantially improves HVAC performance in all U.S. climate zones. Burying the encapsulated ducts in loose-fill attic insulation improves performance
Four design/build teams solve the puzzle of high-performance wall construction—in four different ways.
The wall system shown here is an improved version of the system I used for the house I built in Knox, Maine, in 2011.
Our wall example is part of a zero-energy single-family house built for the tenant farmer of an organic farm in rural Connecticut.
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