Paint keel 600 × 600 mineral wool board ceiling how to calculate the keel, times keel, corners, hooks per square meter
The size of the room reported to the purchase of goods on the line
If the 100 square of the material how many bones, bones, and bones, how are you counted, thank you
600 * 600 of the mineral wool board, the main bone 0.54; times keel 2.7; edge keel 0.2, these are the square ratio coefficient, need to know the details can ask ~ block method and the unit area method can be calculated
