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SPP-compliant trapezoidal sheets are metal-formed roofing cladding products that allow photovoltaic panels of solar power systems to be mounted directly onto roofs without the need for a supporting substructure. These claddings serve both as waterproofing and as load-bearing surfaces.

Compatibility with Solar Mounting Rails
Mounting rails are fixed to the peaks of the trapezoidal form using self-drilling screws.
Alternatively, special solar clamps (middle/end clamps) can be used.

Load Transfer
The trapezoidal sheet form can carry the panel weight directly; if necessary, it is supported by a steel substructure.
Load calculations for snow and wind safety are made in accordance with EN 1991 standards.

Waterproofing
Sealing washers used during screwing ensure water tightness.
Cables from the panels are routed through UV- and water-resistant pass-through systems.

Technical Specifications

Effective Width: 300–480 mm (Tolerance: ±3 mm)
Sheet Length: Minimum 1000 mm – Maximum 12000 mm
Application Area: Roof and facade cladding
Metal Properties: DX51 D+Z pre-painted galvanized steel (polyester top coat over primer)
Metal Thickness: Minimum 0.50 mm – Maximum 0.80 mm (Pre-painted galvanized steel / Galvanized steel)
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