What is the best way to attach exterior mineral wool insulation?
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Do you have an updated recommendation for attaching exterior mineral wool insulation?
Fred D
Aug. 31, 2020Last updated: Sept. 23, 2020
Do you have an updated recommendation for attaching exterior mineral wool you built a few years ago?
The way weattached mineral wool insulationon theLEED Platinum Edelweiss Houseworked well, but was pretty labour intensive. There are a few options for attaching rigid insulation to the exterior of houses, one would be using fiberglass clips, another could be using theLarsen Truss Wall System. Either of those can be used to secure many varieties of insulation to the exterior of a wall assembly.
Probably the easiest and most affordable method would beThermalWall rigid foam insulation panelsThermalWall is an EPS rigid foam panel with a metal rail embedded in the middleof the panel allowing it to be attached to the exterior of sheathing using only short screws. That can save a lot of money since once you hit about 6 inches and a thicker diameter, screw prices go through the roof. This alsobreaks the thermal bridge to prevent heat loss, which was the reasoning behind how we installed the exterior rigid insulation on the Edelweiss House.