Tundra closed cell polyethylene foam semislit pipe insulation is used in residential and light commercial plumbing projects to prevent heat loss and protect pipes from freezing It is available in wall thicknesses of 38 to 1 in sizes ranging from 38 up to 4 in IPS ID Tundra is available to the trade in 6 ft lengths and also sold in limited sizes through retail stores across North America Tundra has a low thermal conductivity and very low water vapor transmission rate This low density product demonstrates excellent thermal, physical and chemicalresistant properties and has a broad service temperature range between 297 and 200 deg F 183 and 93 deg C It can be installed in residential and light commercial plumbing projects It is acceptable for use with heat tracingheat tape