Recent Q&A

• Window condensation issue

  I'm in the middle of constructing my home and have discovered a serious condensation / bulk water issue. First some background: We're in southern Maine. The envelope is a double…

• EPDM Tape Gaskets

  I'm looking for a recommendation from GBA readers on a single sided tape gasket (probably EPDM?) to be used in the airtight drywall approach. I like Conservation Technology's drywall gasket…

• Porch Roof Skylight

  I'm looking for suggestions from the GBA readers for a cost effective way to let some light in through a farmer's porch roof. I am currently in the process of…

• Interior Air Barrier

  I'm trying to decide which product to use for my interior air barrier. I'm constructing a double stud wall system and intend on placing my interior air barrier on the…

• Potted plants as thermal mass?

  I have read rules of thumb to calculate the size of a thermal mass as concrete floor or trombe walls ect to take advantage of passive solar heating. Do similar…

• Certainteed MemBrain cost

  Does anyone have any data on the cost per sq.ft of Certainteed's MemBrain smart vapor retarder? Thanks!

• Cold Sheathing Concern

  I'm in Maine, zone 6 and I'd like to utilize the following wall detail and would like some suggestions, from the inside out: - Airtight drywall approach, Double stud wall,…

• Opinions on Mathews Brothers Triple-Pane Windows

  我在找一个审查从下跌ow New Englanders on Mathew's Brothers triple pane vinyl windows? They are manufactured in Belfast, Maine. They seem to be very reasonably priced. Does…

• Domestic Hot Water Heating Options

  I'm looking for some advice on the most efficient, cost effective way to heat DHW for my project currently being built. The project is in zone 6 and includes two…

• Rigid Insulation Between Double Studs

  Hello, I was wondering if someone could check me on my proposed wall assembly and provide recommendations if I'm off base... I"m planning on utilizing a double stud wall assembly,…