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elZinc Square Tile Cladding

Verified by manufacturer 6 months ago

elZinc Third party certifications:
  • EPD

    EPD

    Certificate type

  • ISO 14001 Environmental Management Systems

    Certificate type

  • ISO 45001 Health and Safety Management

    Certificate type

  • EnMS ISO 50001

    EnMS ISO 50001

    Certificate type

  • ISO 9001 Quality Management

    Certificate type

  • KIWA BDA

    KIWA BDA

    Certificate type

A fully supported zinc cladding system composed of overlapping zinc tiles.

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Application

  • Wall cladding on flat surfaces.
  • Roofing - minimum pitch - consult elZinc.

Description

elZinc Square tiles are direct fixed cladding elements for roofing and cladding. The tiles overlap to form a continuous weathering layer, providing a bold structured pattern across the facade with joints angled at 45º. They are supplied with an optional polystryrene backing for roofing applications which deadens rain drumming and increases the tile's rigidity. For projects that require a non combustible cladding, the tile should be ordered without this backing.


Features and benefits:

  • Traditional cladding system using overlapping panels.
  • Principally used in facade cladding.
  • Nominally weather-tight from 25º of pitch and above if used in roofing. Check with manufacturer for your project.
  • Easy and quick to install.

General information

Color

Grey

Guidance for specification option:

Light grey, medium grey or dark grey.

Red

Blue

Brown

Gold

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Finish

Natural

Pre-weathered

Material

Expanded polystyrene (EPS)

Titanium

Zinc

Manufacturer guidance

Tiles should be specced without the XPS backing for buildings with a reaction to fire requirement for the cladding

Shape

Square

Length

555 mm

Width

512 mm

Warranty description

20 year

Guidance for specification option:

Rainbow range.

Lifetime

Guidance for specification option:

Alkimi range.

Uniclass

Ss_25_20_50_95 Zinc sheet fully supported wall-covering systemsPrimary
Ss_30_40_50_95 Zinc sheet fully supported roof covering systems

CAWS

H67/5 Metal roof tiling

H67/130 Metal vertical tiling

H67/110 Metal roof tiling

H67/8 Metal vertical tiling

H74/3 Zinc sheet fully supported roof covering

H74/110 Zinc sheet fully supported roof covering

H74/130 Zinc sheet fully supported wall covering

Specification data - Zinc sheet fully supported wall-covering systems

System performance

-

Manufacturer guidance

elZinc Square tiles shall provide a weathertight wall cladding, able to freely expand and contract in response to temperature changes, and fitted to resist all loading including wind loads. The appearance of the cladding shall be one composed of flat panels, without oil canning, of straight joints and neat folds of flashing elements, correctly set out according to the architect’s drawings and design intent.

Insulation

-

Manufacturer guidance

Insert requirement. A zinc façade does not place any special requirement on the insulation.

Air and vapour control layer

Not required.

Breather membrane.

Guidance for specification option:

Insert requirement.

Manufacturer guidance

Insert requirement.

Carrier

Soft wood battens.

Guidance for specification option:

With suitable wood preservative treatment, height 38 mm minimum or according to ventilating cavity depth. Use soft wood battens for open gap boarding, plywood or OSB sheathing.

Metal rails.

Guidance for specification option:

Use metal rails for metal decks, insulated metal panels.

Manufacturer guidance

Insert requirements.

Substrate

Sheathing/ boarding.

Guidance for specification option:

Sheathing/ boarding laid flush, true and plumb, and its fasteners driven just below the surface. For buildings that require a non-combustible substrate for the zinc, trapezoidal metal sheet panels are used as a substitute for the wooden sheathing/ boarding.

Ventilated plywood substrate, 18 mm.

Guidance for specification option:

Service class 2 according to EN636, and 'good one side'. Installed in a staggered layout, parallel to eaves, with a 3-5 mm gap between boards, all edges supported and fastener heads driven below surface.

Ventilated galvanized steel metal deck, 0.7 mm.

Guidance for specification option:

0.7 mm minimum. To give a minimum clip pull-out value of 560 N, installed 'façade side outwards' to give maximum support to the zinc trays, parallel to eaves, all ends supported.

Open gap softwood boarding according to EN 12775-2, 18 mm.

Guidance for specification option:

Maximum moisture content 18% and compatible with zinc and treated with zinc-compatible wood preservatives, rough sawn, 18 mm thick minimum, 80 to 125 mm wide, fixed parallel to eaves with fastener heads driven just below surface.

Foamglas insulating boards.

Guidance for specification option:

Installed according to manufacturer's instructions, providing a vapour-tight substrate.

Sheet underlay

-

Material

Not required.

Guidance for specification option:

  • Vented open gap boarding substrate.


Breather membrane.

Guidance for specification option:

Max sd value of 0.04 m. Edges lapped and taped.

  • Vented plywood sheathing / metal deck.

Zinc sheet

0.7 mm-thick elZinc® titanium zinc.

0.8 mm-thick elZinc® titanium zinc.

Manufacturer guidance

Rolled according to EN988 and ASTM B69-13.

Vertical joints

-

Fasteners to substrate

A2 stainless steel annular ring shank clout nails, 3.35 x 25 mm.

Guidance for specification option:

Open gap boarding/wooden sheathing.

A2 stainless steel wood screws - countersunk head, 4.5 x 25 mm.

Guidance for specification option:

Open gap boarding/wooden sheathing.

A2 stainless steel pop rivet, 3.2 mm diameter.

Guidance for specification option:

Metal deck/insulated metal panel/ foamglass steel plates.

A2 stainless steel self-tapping screw - flat head, 4.8 x 25 mm.

Guidance for specification option:

Metal deck/insulated metal panel/ foamglass steel plates.

Manufacturer guidance

The type of fastener is determined by the substrate material. See manufacturer's technical literature.

Cross joints

-

Form

Overlapping joints.

Head detail

-

Form

Front vented with zinc capping.

Unvented with zinc wall capping.

Bottom edge detail

-

Form

T-plate starter flashing and cavity inlet at foot.

Guidance for specification option:

For vented façades.

Starter T-plate.

Guidance for specification option:

For non-vented façades.

Abutments

-

Fixing into joints and chases

-

Pointing to joints and chases

Zinc-compatible sealants.

System accessories

Not required.

EPS backing.

Guidance for specification option:

Reaction to Fire rating of 'E'.

Execution

-

Manufacturer guidance

Joints shall set out according to architect’s drawings, or in their absence, according to the design intent of the project. The details of the zinc work should be carried out according recognized good practice and manufacturer’s recommendations. Respect minimum recommended interior radii while bending. Holes should be notched where required to prevent tears forming in the zinc. Marking out: Use a pencil, pen, crayon or chalk.


After completion, no marking should be visible. Wherever possible use a mechanical folder to bend material to give straight and uniform folds. Free edges: If visible fold over to form a 15 mm hem. Ensure the temperature of the metal does not fall below 7, or 10°C, depending on the operation, when folding, profiling or forming the metal. Follow elZinc recommendations regarding warming up zinc metal prior to forming.

Fixing

Tile direct fixed.

Guidance for specification option:

Tiles are direct fixed through a hole at the top corner and of the tile, and through holes on the left and right corners. The bottom chamfered corner slots into pockets on the left and right side of the tiles on the row below. This gives 26 fasteners/m².

Colour/ Finish

elZinc Crystal®.

elZinc Graphite®.

elZinc Lava®.

elZinc Natural.

elZinc Oliva®.

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Manufacturer guidance

If a backside coating is required, type 'Protect+' directly after the finish, eg. elZinc Graphite® Protect+. If an ‘Advance’ finish is required, type ‘Advance’ directly after the finish, eg. elZinc Slate Advance.

Fire rating

Manufacturer's standard.

Guidance for specification option:

  • For A1 fire rating requirement for facdes – specify without polystyrene backing.
  • The optional EPS backing has a Reaction to Fire rating of E.
  • For A1/A2 fire rating requirement for roofing – contact manufacturer.

Co-efficient of linear thermal expansion

0.000022/ºC.

Sustainability data

Contains Red List materials

No

Country of material origin

Spain

Country of product manufacture

Spain

Recyclability

100%

Guidance for specification option:

Fully recyclable.

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

20 %

Guidance for specification option:

Approximate and only applicable to the zinc.

Third party certifications

Third party certifications

EPD

EPD

EPD elZinc Alkimi - Crystal, Slate, Oliva, Lava, Graphite

EPD

EPD

EPD elZinc Natural

ISO 14001 Environmental Management Systems

ISO 14001 Environmental Management Systems

ISO14001

ISO 45001 Health and Safety Management

ISO 45001 Health and Safety Management

ISO45001

EnMS ISO 50001

EnMS ISO 50001

ISO 50001

ISO 9001 Quality Management

ISO 9001 Quality Management

ISO 9001

KIWA BDA

KIWA BDA

KOMO Certificate

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