SPUF / Discussions

...SPUF), so what you are seeing could actually be an indication of how important it is to include seamless insulation in a wall assembly. The best method of wood frame construction would always include continuous insulation on the exterior of walls, without that you may see indications of thermal bridging through studs i...

...SPUF) would act as the air barrier, and as long as you have at least 2 inches it would also be a suitable vapor barrier, and it will offer you thermal protection with the highest R value per inch.   You possibly 'could' leave the sheathing on and blow foam through holes, but I would leave that call up to the individual...