Traditional Textures Snaplock® Seam
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Description

The Snaplock® seam system is extensively used in Europe and the United States of America, where the system has proved itself in the extremely varied climate. The system gives an aesthetically pleasing finish whilst avoiding the industrial finishes found in other seam systems.


Features and benefits:

  • Manufactured from lightweight corrosion resistant aluminium.
  • Seams are available in 25mm or 38mm formats, in recoated aluminium which captures the colour pigments and textures of real zinc and copper cladding. It has a long life, is lightweight, is easy to work and is eco-friendly.
  • The Snaplock® seam system can be laid on a ventilated timber substrate, composite panel or direct on insulation, using special warm roof fixing clips.
  • Snaplock® is much simpler and requires less skill/ hand tools than the traditional standing seam. The profile contains an undercloak and an overcloak – the undercloak side is fixed with a stainless steel fixing clip with the overcloak side then snapped into place.
  • The system can be provided as a complete roof kit including all flashing, matching rainwater products and ancillaries.
  • Resistance to cracking on rapid deformation to EN 13523-5 and ASTM D 2749: No cracking, no loss of adhesion.
  • Resistance to cracking on bending to EN 13523-7 and ASTM D 870: Very good flexibility (0.5T).
  • Water immersion (and humidity) resistance to EN 13523-9/ 25 and ASTM D 870/ 2247: 3,000 h.


Substructure:

Snaplock® can be mounted on all roof build-ups, the only pre-requisite being that it is fully supported.

Suitable substructure materials:

  • Ventilated 18 mm-thick weather and boil proof (WPB) plywood.
  • Ventilated oriented strand board OSB3.
  • Hard metal board.
  • Composite panel.
  • Rigid insulation.


Underlay:

ISO-Mat Pro® underlay is recommended by the manufacturer.


Clips:

  • 25 mm seam: SM-EH-Snap-25 (SM-EDH-Snap-25 for fixing to rigid insulation).
  • 38 mm seam: SM-EH-Snap-38 (SM-EDH-Snap-38 for fixing to rigid insulation).
  • Flashing clips: SM-ELH-27.

General information

Finish

Matt

Material

Aluminium

Uniclass 2015

Pr_25_71_51_02 Aluminium long stripsPrimary

CAWS

H72/110 Aluminium sheet fully supported roof covering

H72/130 Aluminium sheet fully supported wall covering

Specification data - Aluminium long strips Enhanced data

Width

425 mm (25 mm seam).

Factory finishes

Matt.

Reaction to fire

-

External face

To EN 13501, A1.

Product Reference

Traditional Textures Snaplock® Seam

Length

Alternative (bespoke) lengths are available, if they are logistically possible to transport. Consult manufacturer for details.

Insert project requirements, maximum 12 m.

Seam

25 mm.

Minimum pitch: 7°. Nominal centres: 425 mm.

Thickness

0.7 mm.

0.8 mm.

Colour

The precoated aluminium is also available in any RAL colour as well as many other specialist finishes. Consult manufacturer for details.

Blue Zinc Patina.

Copper Metallic.

Copper Oxide.

Copper Patina.

Corten.

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Coating thickness (minimum)

50 µm (three coats).

Durability

To NF EN 1396, Class 4.

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