Roofs- Page 2 of 9
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Going Above Prescriptive Code Insulation Values
How much is too much? Consider this rough cost-benefit analysis of adding extra cellulose insulation to an attic floor.
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Low-Slope Roof and Ice Dams
Can eave-to-ridge roof venting, vigilant air-sealing, and robust thermal control prevent ice dams in high-snow country?
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A New Technical Guide to Building ADUs
Beyond Efficiency has released the first in a series of regional guides with design and construction details for accessory dwelling units
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Solar Inverters
Considerations when choosing between microinverters and string inverters with optimizers for a residential solar power system
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Building Mistakes to Avoid, Part 1
From missing flashing details to incomplete roof venting, understanding how things go wrong is a good initial step toward getting them right
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Another Effort to Recycle Vinyl
A new inititiave attempts to manage the waste stream this ubiquitous building material produces
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Problems with Attic Trusses
If you are designing with attic trusses to create conditioned living space, be warned it is difficult to detail this assembly, making it susceptible to heat loss and air leakage
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Design for Low-Carbon Building
Details from a Pretty Good House provide a roadmap to lowering a building’s carbon emissions
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IRC 2021 and the Ratio Rule for Hybrid Roof Insulation
Correcting an outdated table of energy code–mandated R-values
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Overview of Panelized Construction
A look at the benefits, manufacturing and delivery methods, and potential pitfalls of prefabricated building enclosures
