Seam that connects two sheets of roofing material is called folding.
A sheet of roofing material is bent on a bending machine on both edges. The ready panel is called “kasset”.
Double standing seam and single flat seam are used most often
Welted metal sheets are attached to the roof by cleats, and then are clamped by special instruments in stages.
Connection of several “ kasset” on the roof makes the fold roofing!
Fold roofing can be made of metal – zinc, copper, zinc, aluminium and other material with a thickness of 0.5 – 1 mm.
Fabrication and installation of “kasset” on the roof
start from 15 azn per 1 m2