Ko te mahi whakamaarama oro nui o te tangi o te rangi, ka tino huri te tuku oro o te oro iti o te punaha hanga.
He pai te whakamarumaru i te haruru na te patototanga me te patoto totoka o nga tuanui o runga me raro o te papa, ka whakaheke i te 19db mo te 5mm.
Te whakamau oro me te whakamaarama wera.
He kaakaariki me te pai-taiao, he kati kati, he tohu kohu me te koriri.

Rauemi Ripeka hono kati pūtau polyolefin pahuka i
Kiato 33kg/m3
Maamaa 25
Te Waawera (ASTM C518) 0.032 W/m.°K (23 ℃)
Te Kaha Tensile 0.4/0.3 Мра
Whakaroa i te Whati 110/80%
Te Kaha Roimata 2.0/1.2 Мрa
Tautuhi Kōpeketanga(25℃,22h) <10%
Tauwehenga Whakaiti Wera (70℃,22h) -5%/-4%
Te whakapai ake o te tangi
/Taumata pehanga oro awe 20/60 DB