These below-grade walls are insulated along the exterior with R-5 of bug-resistant high-density rigid fiberglass insulation installed over damproofing. | Building America Solution Center
Fiberglass IQ Board (1" - 4" Thick Lightweight Semi-Rigid 850ºF Fiberglass Insulation Board) - Foundry Service & Supplies, Inc.
Knauf Insulation - GIK Acoustics
Rigid Foam vs. Fiberglass Insulation: What's the Difference?
Owens Corning 703 Fiberglass Board Insulation
High Temperature Rigid Fiberglass Insulation Board,25mm Thick Fibreglass Wool Insulation Panel - Buy High Temperature Fiberglass Insulation Product on Alibaba.com