What is the price of building insulation materials B1 level A level is how much
Xps insulation board is extruded board, xps full name extruded polystyrene foam board
Xps / extruded polystyrene foam board, flame retardant, flame retardant B1 and B. B1 grade flame retardant better.
You see square meters much more, if the square meter is greater than 1000 level price in 65-70 or so, if the square meters less 75-80 or so. Artificial one square meter 15 yuan color plate a square meter about 35 yuan C steel a square meter about 15 yuan this price is absolutely not suitable for high hope you can help you