Mastics are applied to the stacked panels until they are completely impregnated and the formation of a mastic layer of at least 1 mm thick.
When installing additional layers above the deformation seam, it is recommended to lay an insert of 3- _4 mm thick sheet, along which the panels are laid from roofing material with an overlap at least 300 mm. Lobes from rolled material must be glued on one side of the seam.