| 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 | |||



