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
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- Ch 478This Old House TVComing up on This Old House Kevin arrives as framing the new addition is just underway. Jeff shows Kevin how he's framing this net-zero house with studs placed farther apart than the traditional practice, decreasing the amount thermal bridges will allow for heat to escape. Kevin helps him build a wall with insulated headers. They also frame the corners differently to allow for more insulation. Richard demonstrates heat loss and gain to design a balanced HVAC system.This Oid House Season 41The homeowner fabricates a stone hearth. Richard learns about automatic sprinkler systems. Kevin sees a simulator that shows how the Camp Fire spread. Tom inspects a vent designed to resist embers.