Recent Comments and Answered Questions on Green Building Advisor

  • Quinn Sievewright | Mar 26,2017 05:53 PM EDT
    Hi Steve Yes I understand you'd typically seal at the underside of the rafters, unfortunately that won't be the case here. The open rafter architecture is beyond my control but is commonly done, ...
  • Anon3 | Mar 26,2017 05:40 PM EDT
  • Anon3 | Mar 26,2017 05:35 PM EDT
    Do you really want a HVAC machine in your dryer? They all break down pretty quickly. It's basically a dehumidifier, and those don't last long if you read the reviews. some break as soon as the 1 ...
  • Anon3 | Mar 26,2017 05:29 PM EDT
    Renewaire got a ERV payback calculator at
  • Steve Knapp CZ 3A Georgia | Mar 26,2017 04:54 PM EDT
    This roof assembly sounds problematic. Typically you would have an air-tight drywall layer at the ceiling, and your T&G would be installed over this. Are you planning to use Ice & Water on the ...
  • Nina in CNY | Mar 26,2017 04:51 PM EDT
    Steve, I have read both of those, twice. Then I also read "Are HRVs Cost-Effective?" and another article on this site regarding a study on cost savings over time, but I cannot find it now. The ...
  • stephen sheehy | Mar 26,2017 04:29 PM EDT
    How do the new models differ? We are very pleased with the model we installed about two years ago. I don't think Whirlpool did much marketing. HP dryers are especially appropriate for apartments ...
  • Steve Knapp CZ 3A Georgia | Mar 26,2017 04:14 PM EDT
    Nina: If you are building a well-insulated house, you will be better served by a ducted ventilation system. (The Panasonic FV-04 will fail if installed in a humid environment, BTW.) Here are a ...
  • Nina in CNY | Mar 26,2017 01:30 PM EDT
    BTW, both are recommending the system be put into the attic, which bothers me as these units need regular filter maintenance. To me attic installation is just asking for the system to get ...
  • Malcolm Taylor | Mar 26,2017 11:46 AM EDT
    John, The multi-point locks add $400 to $500 installed up here in BC - but we pay a lot more for almost everything.
  • Brian P | Mar 26,2017 10:49 AM EDT
    I'm sure the price would be higher with 8' doors and more complicated glass/design options. The doors might have been $650+ each, but I know they were definitely less than $700.
  • John Ranson | Mar 26,2017 10:43 AM EDT
    Hi Brian, Thanks for the photos and info. $600 sounds like a steal. I was under the impression that the multi-point locking system was $600 on its own. --John
  • Brian P | Mar 26,2017 10:29 AM EDT
    We have the standard height (6'8") Smooth Star, 3' width, inswing, with multi point lock system for our two entry doors. It's a very simple configuration of smooth face with glass (no grills or ...
  • Nick Rudnicki | Mar 26,2017 09:26 AM EDT
    and here is the attachement
  • Nick Rudnicki | Mar 26,2017 09:25 AM EDT
    Those are some good additions, have updated drawing to reflect the suggestions. Thanks so much for your guidance on this one so far! Hopefully i can pick your brain in the future.
  • Martin Holladay | Mar 26,2017 08:49 AM EDT
    John, By now, cold-climate builders have lots of experience with SIP roofs that leak air. We have lots of examples of failed SIP roofs. In almost all cases, the roofs fail because of air leakage ...
  • Andrew Bater | Mar 26,2017 07:05 AM EDT
    Matthew, this is the part of your original question that made me think that water (Chiltrix or other) could be a natural solution: "As such, we only have one wall to run ductwork and plumbing ...
  • Martin Holladay | Mar 26,2017 06:43 AM EDT
    Matthew, Q. "Many people suggested Chiltrix, but one poster suggested Implementation risk. They didn't really explain what they meant by that." A. I assume the person who wrote that comment ...
  • Martin Holladay | Mar 26,2017 05:28 AM EDT
    Nick, I'm glad you enjoyed the podcast. Here are a few ideas about your illustration: 1. Ideally, you would install a length of perforated drainage pipe in the crushed stone layer. The ...
  • Martin Holladay | Mar 26,2017 05:18 AM EDT
    Installing a powered attic ventilator is a big mistake. This article will tell you why: Fans in the Attic: Do They Help or Do They Hurt? -- Martin Holladay
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