Thanks to the use of special alloy for side gutters, the flashing allows installation in both thin and thick plain tile roofing materials (natural slate, plain roof tiles).
It ensures insulation of the window above the level of battens and reduces heat loss by improving its overall heat transfer coefficient even up to 15% (depending on the window type).
Step flashing is made from powder-coated aluminum. It is used with flat roofing material up to 3/8 inch, such as shingles plain-tile, double-lap roofing, slates or tar boards