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Energy Efficiency and Durability

  • Question & Answers

    Seasonal home floor – insulated

    I have a project with an existing steel post and beam base structure.  New wood floor framing assembly will go on top of that.  This is a seasonal residence -…

  • Question & Answers

    Insulation

    I have a 1800  sq ft bungalow style house with cathedral ceiling that is 20 years old and has r36 insulation value when I built it. I am interested in…

  • Question & Answers

    what to do with rim joist that has 1/2″ foam board exterior

    I am on Long Island. I have a basement that we use. It is finished and heated/cooled (dehumidified).However the rim joists are behind a drop ceiling, and only have glass…

  • Question & Answers

    Drying Potential in wall using Wood Fiber Insulation (Timber Batt)

    I'm building a small house (965 sq.ft.) in Downeast Maine (zone 6A). It will be post and beam construction with a thin layer of continuous exterior foam insulation (1.5" polyiso)…

  • Question & Answers

    Sealing existing drywall plaster

    I have a house in Florida that I have replaced the sheathing, insulated and air sealed the zip sheathing with tape and liquid flash to the concrete block walls below.…

  • Question & Answers

    split insulated roof

    Hi ,we are planning a insulated roof over a conditioned attic. We are zone 4C .starting from the bottom R 19 bat insulation 1/2 inch plywood deck, tape the seems…

  • Question & Answers

    Retrofitting a Double Studwall in Barn Conversion – moisture/vapor issues

    Greetings.I am converting a roughly 40 year old barn to living space. The original build is conventional stick framing. Studwall, plywood sheathing, housewrapped and then covered with siding. On the…

  • Question & Answers

    Insulating barrel sauna roof

    My barrel sauna is made of Nordic Finnish pine instead of cedar and is not very air tight.  Winter alpine temps in the -20s F , heavy winds, snow.  And…

  • Question & Answers

    In so fast

    In so fast makes exterior panels with a built in rain screen and plastic studs that they say will handle most siding like hardi board without furring strips. Has anyone…

  • Question & Answers

    Permeability of rigid insulation in my wall and roof systems

    I'm planning a timber-framed cathedral-ceiling addition to my house in climate zone 4A.  My planned wall system (inside to out) was originally:- Drywall with latex paint- 2x6 wall with blown-in…