S46E18 Westford: Under a New Roof

• Sezonul 46, episodul 18
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• Difuzat joi, 3 aprilie 2025
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• 25 min

Charlie and Tom Silva work in the attic, installing a hip beam and roof rafters to match the original roof. Downstairs, building scientist Joe Lstiburek discusses with Kevin O'Connor how insulating exterior walls can damage siding if energy flow isn't considered. Later, Mark McCullough brings in a stone cutter to cut through the original foundation, creating a garage door opening in the basement.