The pioneer of upvc rooftile manufacturing in Iran!
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1.7 mm thickness for brick walls and… (it means that the surface behind the sheet is completely filled) or in dropped ceilings (all the steps must be screwed)
2 mm thickness for purline distance up to 80 cm
2.2 mm thickness for a purline maximum distance of up to 90 cm,
2.5 mm thickness for a purline maximum distance of up to 100 cm
and other thicknesses are determined according to the special conditions of the substructure and the distance of the purlines.