Roof Insulation
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Shallow Energy Retrofits, Part 2
Air-sealing and increased insulation in the roof have the biggest impact on energy efficiency upgrades
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Off-Gassing Worries Upends a Renovation
Conerns about flame retardants in closed-cell foam prompts a change in plans
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Fixing Problems With a New Metal Roof
Adding a layer of exterior insulation looks likely, but the question is how much?
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Three Ways to Insulate Roofs
There are many ways to insulate attics and roofs, but these are the safest methods
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The Ratio Rule for Hybrid Roof Insulation
Ensuring the right combination of R-values above and below a roof deck
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Insulating and Venting a Shed Roof
The original plan calls for a layer of rigid foam insulation in the roof assembly. Will that help?
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Installing Solar Panels Over Rigid Foam Insulation
Solar installers steer clear of this Passive House retrofit and the owner figures out why
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What Is My Roof Trying to Tell Me?
It's possible the pattern of melting snow suggests that something is amiss with the insulation
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First Aid for an Under-Insulated Roof
Insulating and sealing the roof on a family retreat without disturbing the ceiling inside
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Hedging Bets on a Heating and Cooling System
Does it make sense to Install both a hydronic heat system and a heat pump for AC?