False ceiling structures
False ceiling structures are known as the Lay-in system because of the way the tiles are placed on T-shaped structures that are visible after the roof is executed
Slab contraction joints in False ceiling structures should intersect at the openings for columns, and should intersect at the openings for columns 60 (T600), 20 (T1200), 360 (T3600), and L24 (L3000). Mirror), grooved black, black and wood.