① Calculate accurately the total area and number of HT access floor with various accessories so as to reduce the waste. However, reserve certain wastage in case of shortage.

② Have a strong understanding of the variety and quality of access floor, including some technical performance index. Choose high qualified HT access floor is a good choice.

③ Though external environmental condition has little effect on access floor, too high or low temperature may cause obvious stretch. The shrinkage of HT access floor is less than 0.5mm, while the deflection of panel is less than 0.25mm.

④ The surface of access floor should be anti-glare, anti-slip, anti-corrosion, non-dusty, non-vacuum and easy to clean.