Ntawm lawv, Lub Tsev Haujlwm Saib Xyuas Kev Ua Haujlwm tau teeb tsa ib pawg ntawm cov kws tshaj lij ntawm cov thev naus laus zis ntawm sab nrauv phab ntsa thermal rwb thaiv tsev nrog cov roj hmab hmoov polystyrene hais thiab dhau los siv thev naus laus zis tshuab.
Xyoo 2004, Ministry of Construction muab qhov kev lag luam tus qauv" Polystyrene particle sab nrauv phab ntsa cua sov rwb thaiv tsev" JG158-2004. Cov kev cai huv: Cov qauv yooj yim ntawm cov thev naus laus zis ntawm txheej thaiv phab ntsa sab nrauv thiab cov nplais pasting nrog cov roj hmab hmoov polystyrene hais, uas yog, cov roj hmab hmoov polystyrene particle rwb thaiv tsev slurry yog siv cov txheej txheej rwb thaiv tsev, thiab cov tshuaj tua hluav taws los tiv thaiv cov nplaim hluav taws kub kub-dip galvanized. steel hlau mesh yas thauj tog rau nkoj thauj tog rau nkoj yog los tiv thaiv kev tawg. Cov txheej txheej tiv thaiv, tshwj xeeb sib xyaw ua ke rau pob zeb saum npoo av, qhov tshwj xeeb sib koom ua ke kua nplaum ua kua rau lub npoo av, thiab tshwj xeeb sib koom ua ke kua nplaum hmoov yog siv los ua cov tiav txheej.