(1) Malamalama faʻapitoa kalave, elasticity lelei, seismic ma compressive teteʻe, maualuga deformation toe faaleleia fua faatatau, tetee i solvents vailaau eseese, leai vai absorption, insulation, tetee vevela.
E le o'ona, leai se tofo, toe fa'aaogaina ma fa'ameaalofa moni fo'i le si'osi'omaga.
(2) Faʻaopoopo le B1 faʻataʻitaʻiga mumu, faʻapitoa e ala i le suʻega faʻataʻitaʻiga, faʻafetaui le tele o manaʻoga faʻapipiʻiina o le siosiomaga.
(3) EPP mea e masani ona i ai se aafiaga taua tele absorption, foam mea, absorption leo ma leo aafiaga faaitiitia e lelei.
(4) EPP o loʻo i ai le maualalo o le faʻaogaina o le vevela, lelei le faʻaogaina o le vevela ma le anti-condensation. Mo faiga ea fou, o le gaosiga o vai condensed o lona uiga o le faaleagaina lona lua e siama, ma le lamatiaga o le faaleagaina o vaega o le tino.
(5) mama mama, faʻasaoina le taimi ma taumafaiga i felauaiga ma faʻapipiʻi. Faʻapipiʻi vave-plug, faigofie ma vave; Anti-matua, ola umi.