Polyurethane foam sandwich panel panel (16mm) o se oloa lauiloa fou mo le insulation.E mafai ona faʻaaogaina i fale fou ma fale tuai.E firproof, fa'avela vevela ma se mea teuteu lelei mo le fale.
O lenei laulau e aofia ai le tolu laulau o le pito i luma o loʻo faʻapipiʻiina lanu faʻapipiʻi galvalume uʻamea uʻamea, o le mea autu o le polyurethane foaming (mo insulation), o le pito i tua o le alumini pepa, o le tolu laulau o loʻo faʻatulagaina e le gaosiga faʻapisinisi.