Insulation boards are rigid. Foam board insulation does not prevent radiant heat transfer. Prodex Total Insulation is flexible, prevents radiant heat transfer
Rigid Foam vs. Fiberglass Insulation: What's the Difference?
insulation - Is it ok to insulate external cantilever floor joists with foam board to fix cold floor? - Home Improvement Stack Exchange
EPA Raises Health Concerns with Spray Foam Insulation
Are 'Hot Roofs' allowed in Minnesota?
Cut-and-Cobble Insulation - GreenBuildingAdvisor
Rigid Foam Insulation Between Studs: When and How
Board Insulation at
How to Install Spray Foam Insulation in Your Crawl Space - Acculevel
Insulated Sheds 2024 Complete Guide for Shed Insulation
2 Problems With Foam Insulation Board
Closed Cell vs Open Cell Spray Foam - How To Use Both Correctly
4 Pitfalls of Spray Foam Insulation - Energy Vanguard
Installing Rigid Foam Above Roof Sheathing - GreenBuildingAdvisor
Foam Board Insulation - New Home Construction