Designed for furred-out masonry walls, M-Shield is a paperless multilayer reflective insulation that reduces the potential for mold and mildew growth by eliminating the cellulose in the insulation. The company says the Class A firerated product also breathes to allow vapor transfer. Cost: 30 percent less than foam board. 800-448-3401. www.fifoil.com.
M-Shield Reflective Insulation
by Fi-Foil
