This Old House
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Airtight House | The Jamestown Net-Zero House

Coming up on This Old House With a net-zero house, preventing air leakage is very important. Richard watches a process that finds all the cracks in the house and sprays a sealant into them. Later, Jeff reviews the second-floor plans with apprentice Kevin to confirm door swings, bathroom fixtures and valve locations. They also mark out stud locations to be seen after the drywall is up. He clearly labels information for the subcontractors in order to save time later.

This Old House TV Season 40