Conditioned Attic
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Pondering an Attic Conversion in New York
A homeowner wonders whether the advice he’s getting on insulating his attic will lead to trouble
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Does a Bigger Volume Mean More Heating and Cooling Load?
Many people answer this question incorrectly
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High Humidity in Spray Foam Attics
This is why you need to think of these spaces as conditioned attics
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Three Reasons to Remove Attic Floor Insulation in a Sealed Attic
Attics insulated with spray foam have different characteristics from vented attics
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Can Unvented Roof Assemblies Be Insulated With Fiberglass?
Owens Corning is promoting an insulation method that has long been considered risky
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How to Install Rigid Foam On Top of Roof Sheathing
This type of insulated roof assembly limits thermal bridging through rafters
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Determining the Best Attic Option
Choosing between a conditioned or unconditioned attic hinges on the merits of spray foam insulation
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Open-Cell Spray Foam and Damp Roof Sheathing
When open-cell spray foam insulation is installed on the underside of OSB roof sheathing, the sheathing sometimes gets damp
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Spray Foam Insulation Does Not Work with All HVAC Systems
Before you use spray foam insulation in an attic, make sure the HVAC system is compatible
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Pondering an Attic Conversion
Adding spray foam to the underside of the roof sheathing will turn a vented attic into a conditioned space — but will it also create problems?
