NBS Source
ZM Silesia Zinc Standing Seam


Suitable for ventilated and non-ventilated structures. Roofs can be flat, convex, concave and other non-standard designs. Facades can be flat (90°) and semi-circular.


Double and angled standing seams manufactured from zinc-titanium.


ZM Silesia zinc is produced from the highest purity zinc SHG 99.995% with additions of copper and titanium according to EN 988.

Used in different varieties for roof covering above 5°. Structured underlay required for roofing applications and membrane underlay for cladding applications.

Angled standing seam is recommended over 25° and areas of heavy snow over 35°. Double standing or angled seam system use special fastening with fixed or sliding clips. The clips are made of stainless steel. It is also possible to use transversal joining of strips. Consult manufacturer for details.

Features and benefits:

  • Available in three finishes.
  • Durable for over 80 years.
  • Corrosion resistant, does not require maintenance, is non-flammable and can be 100% recycled.


  • Planks (The best substructure for zinc-titanium are sawn timber planks with pH reaction at 4.5–7.0)
  • Ventilated 18 mm-thick weather and boil proof (WPB) plywood.
  • Ventilated oriented strand board OSB3.
  • Hard metal board.
  • Composite panel.
  • Rigid insulation.


  • Cladding: ISO-MAT Pro®.
  • Roofing: ISO-Mat Metal®.


  • Fixed: 25 mm seam: SM-EFK-30; 38 mm seam: SM-EFK-38.
  • Sliding: 25 mm seam: SM-EFE-30; 38 mm seam: SM-EFE-38.
  • Flashing clips: SM-ELH-27.
  • For fixing to rigid insulation: Thermoseam® warm room clip for metal roofing.

General information



Uniclass 2015

Pr_25_71_51_99 Zinc standard temper alloy stripsPrimary


H74/110 Zinc sheet fully supported roof covering

H74/130 Zinc sheet fully supported wall covering

Specification data - Zinc standard temper alloy strips Enhanced data




Bright rolled.

Initial bright surface that quickly forms a light grey patina, under atmospheric conditions.


Matt dark grey patina surface, chemically created to represent dark weathered zinc.


Matt light grey patina surface, chemically created to represent weathered zinc.


0.70 mm.

0.80 mm.

Product Reference

ZM Silesia Zinc Standing Seam


Angled standing seam.

Double standing seam.


Other centres on request; consult manufacturer for details.

25 x 430 mm/ 530 mm.

Minimum pitch: 5°.

38 x 404 mm/ 504 mm.

Minimum pitch: 3°.


~5.6 kg/m² (for thickness 0.70 mm).


Depending on the length of panels use fixed or sliding clips fastened to the substrate with stainless steel nails or screws.


ZM Silesia Application Manual

ZM Silesia Application Manual

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