Microlite and Microlite Vinyl insulations are available in a variety of densities, thicknesses, widths and roll lengths. All Microlite Vinyl Duct Wrap is manufactured with a nominal density of 0.6 lb/ft3 (10 kg/m3). Duct wrap can be supplied plain or with white Class 1 vinyl. All facings are supplied with a single 2" (51 mm) stapling tab.