Energy efficient pipe insulation in either metallized or polyethylene sleeve. Thick insulation blanket with R-values of 4.2, 6.0, and 8.0. Fast and economical to install over round sheet metal duct. UL classified for pipe and equipment covering.
| Permeability Rating | 0.1 |
| Flame Spread | Less than 25 |
| Smoke Developed | Less than 50 |
| Length | 5′, 25′ |
| Diameters | 4, 5, 6, 7, 8, 10, 12, 14, 16 and 18 inches |
| R-Value | 4.2, 6.0, and 8.0 |