| Mark Donovan of HomeAdditionPlus.com replaces a drywall
attic door opening with a plywood insulated attic door opening in this
video.
The attic is the number one source for heat loss in a home, and the attic
door is one of the main culprits.
Using a combination of plywood and rigid foam insulation, Mark creates and
installs an attic door opening that has an insulation R-value of R-30.
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Attic Ladders from Amazon.com
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