http://www.structural-wood.com/SWC_engineered_wood_Insulated_Rim_Board.html Nettet10. jan. 2024 · The R-value of EPS does not change over time. EPS is somewhat more vapor-permeable than XPS, but the difference in vapor permeance has no consequences for performance when it comes to rim joist insulation. One inch of unfaced EPS has a vapor permeance of 2.0 to 5.8 perms. One inch of XPS has a vapor permeance of 1.1.
E-Rim Insulated Rimboard From Emercor Architect Magazine
http://www.ipbsys.com/products/rimboard http://www.structural-wood.com/SWC_engineered_wood_Insulated_Rim_Board.html refs pros and cons
Rim Board - APA – The Engineered Wood Association
NettetInsulating the Rim Joists, Rim Board or Header with R-Tech or Owens XPS foam board insulation along with Great Stuff Spray foam.Tip jar: Donations can be mad... Nettet18. feb. 2024 · Feb 17, 2024. #4. In everything I've read, it's highly recommended to either spray foam or use rigid foam to insulate and air seal the rim joists, and that batt insulation is the worst because it permits air leakage which leads to condensation and mold. Air cannot permeate rigid foam, so no risk of condensation on the rim joists, as long as it ... Nettet22. nov. 2024 · The rim joist under the window appears to have only the 1/8" green foam, vinyl, and lap siding covering it, no other insulation. I recently found the styrofoam under the bay was only press-fit in some … refs raw after reboot