Interlocking seam system
Smart Lock Classic
A 35 mm interlocking seam, flat or profiled.
- Fixing
- Concealed fixing
- Category
- Roofing Systems

Overview
An interlocking seam panel produced in two pan treatments: flat, or lightly profiled with a 4 mm stiffening relief that reduces visible oil-canning across wide pans.
Seam height is 35 mm; cover width is 446 mm flat or 441 mm profiled. Panels run 0.5–12 m and the minimum pitch is 8°.
Applications
- Architectural roofs
- Wide flat pans
- Facade cladding
01
Flat or profiled pan
A 4 mm relief option for large uninterrupted surfaces.
02
Up to 12 m
Full-length panels on most planes.
Technical data
Specifications
All VANKKA data is metric. Values are confirmed for your project at quotation and issued with the technical documentation.
