ʻO ka uhi hoʻoheheʻe ʻana i ka welahana ʻia me ka emulsion acrylic, titanium dioxide, nā pahu aniani hollow a me nā mea hoʻohui.No nā uhiʻāpana wai hoʻokahi, ʻaʻohe mea ʻawaʻawa a pōʻino ʻole,hiki i ka reffllectivity o ka uhi ʻana i ka wela o ka lā ke hiki i 90%, a ʻoi aku ka mahana o ka lā ma luna o 33 ℃, ke hoʻohālikelike ʻia me ka mahana o loko me ka ʻole o ka wela wela, ʻo ka mahana o loko me ka uhi ʻana i ka wela hoʻonaninani hiki ke 3-10 ℃, a ʻo ka ʻokoʻa o ka mahana o ka hale he 10 -25 ℃.ʻO ke kiʻekiʻe o ka mahana, ʻoi aku ka maopopo o ka hopena insulation wela.