What’s the Best Way to Insulate Crawl Space Walls?
2014年9月22日 · To insulate the crawl space walls, Chappell-Dick wonders whether Rockwool Comfortboard 80, a rigid mineral wool insulation, would make a good substitute for rigid foam. Rockwool Comfortboard 80, according to the manufacturer, is non-combustible and chemically inert, and it’s made from natural and recycled materials, including rock.
Unvented Crawlspace Insulation and Vapor Barrier
2024年3月1日 · Because of this, I’ve decided to convert the previously vented crawl space to an unvented and conditioned “basement”. Property is located in climate zone 3C, sunny southern California and I have had no problems with water intrusion into the crawl space, even with historically heavy rains these past few months. It is clean and dry.
Crawlspaces - GreenBuildingAdvisor
2009年11月17日 · Main crawling space from dirt to floor joices is about 5 ft high but under the 13 x 18 ft spare bedroom dirt is about 2 ft from floor joices no vents,, nothing to remove hummidity and has 100% block wall between the 2 crawlspace the main crawl space has 2 small window vents across from each other.
Rockwool for Crawlspace Insulation - GreenBuildingAdvisor
2022年1月4日 · I’m planning to insulate my 1905 bungalow on the Central Coast of California (Zone 3). At this point for cost purpose I’m going to limit the insulation to the attic and crawlspace. A green builder in town recommended blowing in cellulose in the ceiling and then to use Rockwool and Mento for air ceiling in the crawlspace.
Crawl space insulation - GreenBuildingAdvisor
2017年2月27日 · The crawl space under an exterior deck should not be connected in any way with the crawl space under conditioned space (living area). You need to have an airtight wall between these two types of crawl spaces. The crawl space under an exterior deck is outdoors. The crawl space under your conditioned space should be included in your conditioned ...
Crawl space insulation recommendation in Northern California
2010年11月25日 · I plan to have the crawl space vented due to the additional cost to seal the crawl space. Home is at Northern California - 5 months of heating season - wet cold weather, no snow, rarely go below freezing, low typically in 50s. Dry summer and I don't plan to have AC. There will be plumbing pipes and electrical wires in the crawlspace. Most new homes use …
Crawlspace with cellulose insulation – Go or no go?
2017年8月20日 · Greetings GBA folks, From Columbia SC. Please help determine whether blown in Cellulose between the floor joists is recommended. Here are the parameters measured in the 20 year old crawlspace: 1. Current moisture content of the joists is at 18 % 2. Relative humidity is at 72% 3. Foundation is drained professionally well down to the footers - no current issue with …
Faced or Unfaced Insulation in Vented Crawlspace… Which is right?
2022年1月27日 · Been getting quotes for insulation in our vented crawlspace (16″ on center). Some vendors are recommending R19 faced (with vapor barrier on the underside, facing the ground) and some recommending R19 unfaced. One guy even proposed faced with the vapor barrier on the topside, against the subfloor.
Crawlspace foam board and fire code? - GreenBuildingAdvisor
2013年3月31日 · In sections R314.5.3 and R314.5.4, the IRC defines an ignition barrier as one of six permissible materials: 1 ½-inch-thick mineral fiber insulation; ¼-inch-thick wood structural panels (e.g., plywood); 3/8-inch particleboard; ¼-inch-thick hardboard; 3/8-inch-thick gypsum board; or corrosion-resistant steel having a base metal thickness of 0. ...
ICF Crawlspace Insulation - GreenBuildingAdvisor
2023年9月16日 · The primary insulation benefit comes from the ICF walls and any insulation between the floor joists. Considerations for a Sealed and Conditioned Crawlspace: Ensure the vapor barrier is well-sealed and taped to prevent moisture intrusion.