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This concealed fix profile is suitable for residential, commercial and industrial applications with roof pitches between and 45° with purlin centers around 1m.
In concealed fix systems, the clips and fixings are covered by the roof panels. Therefore, the clips are not exposed to weather. This reduces incidence of rust and reduces probability of leaks which occur around external fixing points i.e. nails or screws.
There is no unsightly visual impact owing to protruding fixing screws or nails.
Competitively priced in relation to other locking systems.
Mechanical Lock is stronger than other locking systems:
tested and endorsed by SABS in accordance with the Dade County, Florida Hurricane requirements which require resistance to 220kph winds
Available in either single or double standing seam variations.
Available in smoothed curved, not cranked, sheets of a radius between 1m and 25m.


Mechanical Lock is available in two widths:

38.1mm &
50 mm
  The 50mm Mechanical Lock is more often used for industrial and commercial applications than residential & is suitable for roofs pitches of between and 45° where purlin centers are less than 1.5m.


Image: Double Standing Mechanical Lock, with two equally spaced stiffening ridges, illustrating the concealed fix system.
The clip is concealed and rolled between the double fold of the roof sheets.

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