A cellular glass system for an outer surface of a pipe. An insulation layer surrounds the outer surface of the pipe. The insulation layer has an outer surface and an inner surface and comprises cellular glass. A foam fills an annular space between the outer surface of the pipe and the inner surface of the insulation layer and is configured to limit water intrusion into the annular space and attenuate sound. The system may also include another insulation layer and another foam layer between the two insulation layers.

An inflatable cushion comprises an inflatable cushion body. The inflatable cushion body comprises a first region and a second region formed by pressing an upper and a lower fabric layers; the first region and the second region are adjacent; a cavity is arranged in the first region; a sponge is arranged in the cavity; the inflatable cushion body is provided with an air guide part for inflating and deflating the cavity; the second region is evenly provided with transverse sealing lines; the transverse sealing lines separate the second region into mutually communicated inflating cavities; and the second region is provided with a first inflating port for inflation and deflation. By arranging the first region and the second region, the sponge is arranged in the first region and the inflating cavities are arranged in the second region.

A reinforced polymeric aerogel composite is disclosed. The composite can include a first portion comprising a polymeric aerogel, and a second portion comprising a fiber support, wherein fibers in the fiber support comprise a mineral or a polymer, wherein the first portion is in direct contact with the fibers of the second portion; and wherein the composite has a thickness of 1.5 to 15 mils thick.