Lossless folding four tongue-and-groove sandwich panel
Product characteristic：
01 The groove can reach the depth of 20mm, the external wall has good stereoscopic appearance.
02 Wall panel can use Q345MP high yield strength steel sheet. When the steel sheet thickness is 0.5mm, can assure high flatness, replacing 0.6mm normal yield strength steel sheet.
03 The corner has great water proof performance and high strength.
04 The overlap edge has high density embedded rock wool lump, with high lap strength.
05 High fire proof performance.
06 Four corners can achieve no radians, with a stronger sense of dimensionality.
This product is the only mirror surface pure flat four tongue-and-groove sandwich panel which can use 0.5mm thickness high yield strength steel sheet.
