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  1. Roofing/Siding
    A new (sewer) vent pipe needs to be installed through a flat foam roof. The house is a (genuine) Eichler, so underneath the foam, the roof must be tar and gravel. In addition, a new electrical circuit needs to be installed in the same area, which will probably pass through a 1/2" conduit. What...
  2. HVAC
    I am putting two 2-ton heat pump units on a new construction flat roof. The lineset will be 3/4" suction and 3/8" liquid and the whip will be 8 gauge. The roofers are coming soon and requested that I put the penetrations in. I have not decided on a HVAC installer but want to make sure that I...
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