This insulation kind presents as two layers of polyethylene bubbles sandwiched between reflective surfaces, usually aluminum foil. The bubbles are related in look to these present in bubble wrap, however are sometimes bigger and extra strong. The reflective surfaces are bonded to the bubble layers, making a multi-layered materials that seems shiny on each side. It’s usually rolled for ease of transport and set up, giving it a cylindrical form when packaged.
The development of this materials affords insulation benefits, primarily via reflecting radiant warmth. This reflective property can contribute to power effectivity by decreasing warmth switch. Traditionally, reflective insulations have been utilized in varied purposes the place temperature management is desired. Their comparatively low weight and suppleness have additionally contributed to their adoption in sure building eventualities.