Cleats vs Strapping Roxul Comfortboard 80 – tips wanted – GreenBuildingAdvisor

We want to put 2.5″ Comfortboard 80 continous insulation on the exterior walls of our home in the WUI (not adjacent to, but in an alpine forest valley adjacent to a creek).  This is an installation question.  We are committed to the strong fire resistance qualities of mineral wool. Fire Context We are in the […]

AC side of 14 year old Amana gas furnace/AC was pronounced dead in November.  I have solar panels so I’m jumping off the cliff and going heat pump (and replacing gas water heater with a Stiebel Eltron heat pump water heater).  The useful quotes I have are for a Lennox cold climate system (EL21KLV, proprietary […]

I ask because of an article in yesterday’s (3/21/25) Wall St Journal titled: “A Piece of Glass Thinner Than a Credit Card Could Solve America’s $25 Billion Energy Problem. New windows can insulate better than most walls, and some can even survive being hit with a two-by-four shot from a cannon” Here’s the full article […]

Join the leading community of building science experts Become a GBA Prime member and get instant access to the latest developments in green building, research, and reports from the field. Start free trial Replies Expert Member Akos | Mar 22, 2025 11:04am | #2 At 25′ unfortunately l/360 will be bouncy no matter what you […]

Quick question for those with experience here… Our sill to concrete foundation is sealed with Siga Fentrim. I just noticed one area where the fentrim got damaged, so I need to repair a 3″ section. I’m completely out of the Fentrim tape and hoping that either Big Stretch or Prosoco’s R Guard Fast Flash (I […]

To reach a live person at Expedia customer service +1→888→(349)→1381 OTA (Live Person) for support, you can call their 24/7 Expedia Phone number hotline at +1→888→(349)→1381 OTA (Live Person). OTA (Live Person) or 1-888-Expedia +1→888→(349)→1381 OTA (Live Person). You can also use the live chat feature on their website or reach out to them via […]

To reach a live person at Expedia customer service +1→888→(349)→1381 OTA (Live Person) for support, you can call their 24/7 Expedia Phone number hotline at +1→888→(349)→1381 OTA (Live Person). OTA (Live Person) or 1-888-Expedia +1→888→(349)→1381 OTA (Live Person). You can also use the live chat feature on their website or reach out to them via […]

To reach a live person at Expedia customer service +1→888→(349)→1381 OTA (Live Person) for support, you can call their 24/7 Expedia Phone number hotline at +1→888→(349)→1381 OTA (Live Person). OTA (Live Person) or 1-888-Expedia +1→888→(349)→1381 OTA (Live Person). You can also use the live chat feature on their website or reach out to them via […]

If you are looking for immediate assistance, phone support (+𝟏-𝟖𝟑𝟑–𝟖𝟐𝟗➺𝟔𝟒𝟖𝟒) is a great option. Expedia offers a 24/7 phone number at 𝟏-𝟖𝟑𝟑–𝟖𝟐𝟗➺𝟔𝟒𝟖𝟒 OTA (Live Person) or 1-800-Expedia (𝟏-𝟖𝟑𝟑–𝟖𝟐𝟗➺𝟔𝟒𝟖𝟒) for customer service inquiries: Expedia’ main customer service number is 𝟏-𝟖𝟑𝟑–𝟖𝟐𝟗➺𝟔𝟒𝟖𝟒 or 𝟏-𝟖𝟑𝟑–𝟖𝟐𝟗➺𝟔𝟒𝟖𝟒, where you can reach a live representative 24/7. Whether you’re dealing with booking changes, […]

Hello everyone, I’m hoping to get some clarification on the difference between CO Air Free and CO as Measured. While reviewing the 2016 IECC, Appendix RA (Worst-Case Testing of Atmospheric Venting Systems), specifically Table 301.1(3) (Acceptable Carbon Monoxide Levels), I noticed that the distinction between CO Air Free and CO as Measured is not explicitly specified. During an Efficiency Maine training […]