Perlite insulation? - GreenBuildingAdvisor
Mar 27, 2017 · Mineral wool is a popular insulation recommendation, but it seems expensive and has limited supplier options. I came across some info on perlite (and even vermiculite and lightweight …
Perlite as insulation - GreenBuildingAdvisor
Aug 26, 2010 · I am wondering about whether it may be okay to use perlite as insulation under a basement slab. I am planning a Passive House and under the current plan, I would use 4 inches …
Retrofitting CMU with perlite core fill insulation - GreenBuildingAdvisor
May 4, 2024 · I have plans to upgrade the attic insulation, but the 1st floor is difficult. Exterior foam would be very expensive, and I hate to tear apart my whole 1st floor to add studs and interior …
Perlite vs. rigid foam insulation - GreenBuildingAdvisor
Feb 8, 2016 · Boris, The use of perlite under concrete slabs is discussed in my article, Building a Foam-Free House. This method is experimental. It is untrue that using perlite under a slab is "easier" than …
Lightweight insulating (perlite) concrete footing - GreenBuildingAdvisor
Oct 10, 2012 · I'm considering perlite concrete for my basement's subslab insulation. The sub slab will need to be rather thick to get the level of insulation. If I use a 6 to 1 volume of perlite to cement and a …
Wall Assembly Comparison - Chat GPT - GreenBuildingAdvisor
May 28, 2025 · Perlite fill: R-2.7 to R-3.0 per inch (loose fill) When perlite fills the cores, the overall assembly R-value increases substantially due to reduced thermal bridging and added insulation. The …
Perlite compressive strength? - GreenBuildingAdvisor
Jun 25, 2013 · "Perlite conforming to ASTM C549, and provided in easy-to-install, lightweight bags (either plastic or paper) may be used as insulation below concrete floors." The image below is a table …
Perlite for walls vs Dense pack Cellulose - GreenBuildingAdvisor
Apr 30, 2016 · Hello- Has anyone used loose fill perlite for wall cavity insulation on wood framed exterior wall. I am interested in the least toxic insulation for the walls. But I am a little concerned about the …
Anyone have experience with sub-slab bagged-perlite ...
Jun 8, 2024 · Hi all, I was planning to use a foamed-glass aggregate product for my sub-slab insulation since it has low embodied energy compared to other options in this application. However being on …
Non-VOC odors from insulation? - GreenBuildingAdvisor
Feb 14, 2024 · Our house has had a sickly sweet odor in it ever since we had spray foam insulation (which didn’t cure properly) installed along with adjacent blow-in fiber. The odor remains […]