RectorSeal Microlite 3MARJM34FSK215X48X75 Fiberglass Duct Wrap, 7.4 R-Value, 2-1/5" Thickness, 48" Width, 900" Length, FSK, Fiberglass, 850 °F Temperature Rating

Johns Manville Microlite Fiberglass Duct Wrap provides thermal insulation for HVAC ductwork. This wrap features an R-value of 7.4 and measures 2-1/5 inches thick, 48 inches wide, and 75 feet long, covering 300 square feet. It has a Foil-Scrim-Kraft (FSK) facing for durability and vapor resistance. Suitable for applications requiring high-temperature resistance up to 850°F.

RectorSeal Fiberglass Duct Wrap, Model: Microlite, 7.4 R-Value, 2-1/5" Thickness, 48" Width, 900" Length, FSK, Fiberglass, 850 °F Temperature Rating, 300 Sq. Ft. Coverage Area, 0.10 lbs/gal Density, Silver

• Provides thermal insulation with an R-value of 7.4.
• Constructed from durable fiberglass material.
• Features a Foil-Scrim-Kraft (FSK) facing for vapor resistance and surface protection.
• Each roll measures 48 inches wide by 75 feet long, covering 300 square feet.
• Rated for high-temperature applications up to 850°F.
• Meets fire safety standards with a Flame Spread Index of 25 and Smoke Developed Index of 50.
• Lightweight with a density of 0.75 pcf.