... board and glass2. Fireproof time: 20--120 mins3. Door size: 700-2700mm(H) 200-2500mm (W) 40 ... THK)Door frame: made of imported high-density Meranti wood, it becomes steady, in deformable and high bearing ... piece wood, it is steadier than any others.Door leaf: it is composed of fir, perlite, ... core. The outside laminated board will decorate the door more beautiful and diversified.Architrave: made of ...