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Different Products Comparison | ||||||||
Product / comparison | PU Products | Wood | gypsum | glass fiber reinforced plastics | ||||
Expanding with heat and contracting with cold | NO | YES | NO | NO | ||||
cracking up | NO | YES | YES | NO | ||||
Attracting borers, termites | NO | NO | NO | |||||
Fire resistance | High (flame retardant) | Low | High | High | ||||
construction | easy and speedy, sawn and nailed are available; save time and construction cost | sawn and nailed are available; waste time and construction cost | sawn and nailed are unavailable; waste time and construction cost | sawn and nailed are unavailable; waste time and construction cost | ||||
Appearance of product | decorative pattern;stereoscopic and exquisite | crude | crude appearance and,indistinct pattern | crude appearance and,indistinct pattern | ||||
Color | color at will | color available | few choice to color | not easy to color | ||||
Health for people | YES | YES | NO | NO | ||||
Weight | Light | a little heavy | heavy and fragile | heavy | ||||
Transportation | convenient | inconvenient | inconvenient | inconvenient | ||||
Construction cost | cheap | a little expensive | expensive | expensive |