NT-18 roofing sheet
Wave-channeled sheet. Profile height 18 mm. Effective width 1070 mm with water channel.

NT-20 wide roofing sheet
Profile height 17 mm. Effective width 1150 with water channel.

NT-20 tight profiled roofing sheet
Bearing board, span depends on material thickness. Profile height 20 mm. Effective width 1050 with water channel.

NT-45 roofing sheet
Bearing board. Span 1-3 meters depending on material thickness. Effective width 970 mm with water channel.

Tile patterned roofing sheet, low
Profile height 40 mm. Effective width 1100 mm with water channel.

Tile patterned roofing sheet, high
Profile height 47 mm. Effective width 1100 mm with water channel.