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Fully Supported Facades - PREFA STANDING SEAM - PREFALZ® - Coated aluminium standing seam

Verified by manufacturer 1 month ago

PREFA UK Ltd Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type

  • EPD

    EPD

    Certificate type

PREFALZ® coil coated aluminium standing seam. Available in 20 standard colours, including our P.10 finishes. Bespoke colours are also available upon request.

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+44 20 7795 8124 Website

Application

Applicable for use as standing seam wall cladding.

Description

Traditional fully supported architectural cladding system, composed of site-profiled standing seam panels.


Features and benefits:

  • Available in a range of 19 standard colours.
  • 40 Year Material Guarantee
  • P.10 finishes available; colour guarantee of up to 40 years.
  • Bespoke colours available in any RAL upon request.
  • Available with smooth or stucco surface.
  • Lightweight. 2.3 kg per m² when profiled into a standing seam panel.
  • Long service life – non-corrosive.
  • A1 non-combustible.
  • Does not rust.
  • Fully recyclable.
  • Malleable, even in sub-zero temperatures.
  • Visible side: coil-coated aluminium (two layers including a primer and colour finish).
  • Underside- protective paint finish.
  • Available in 500 mm coil width.
  • Suitable for a coastal environment.



PREFA PREFALZ® – COLOUR RANGE & NEAREST RAL

 

01. P.10 BROWN

Nearest RAL 7013

 

02. P.10 ANTHRACITE

Nearest RAL 7016

 

03. P.10 BLACK

Nearest RAL 9005

 

04. P.10 BRICK RED

Nearest RAL 8004

 

05. P.10 OXIDE RED

Nearest RAL 3009

 

06.P.10 MOSS GREEN

Nearest RAL 6005

 

07.P.10 LIGHT GREY

Nearest RAL 7005

 

08. P.10 ZINC GREY

Nearest RAL 7030

 

10. P.10 PREFA WHITE

Nearest RAL 9002

 

11. P.10 NUT BROWN

Nearest RAL 8019

 

12. METALLIC SILVER

Nearest RAL 9006

 

13.PLAIN ALUMINIUM

-

 

17. P.10 PURE WHITE

Nearest RAL 9010

 

19.P.10 DARK GREY

Nearest RAL 7043

 

23. BLACK GREY

Nearest RAL 7022

 

43. P.10 STONE GREY

Nearest RAL 7031

 

45. BRONZE

Nearest RAL 7048

 

46.P.10 PATINA GREEN

Nearest RAL 6027

 

47. PATINA GREY

Nearest RAL 7042

General information

Color

Black

Bronze

Brown

Green

Grey

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Finish

Painted

Material

Aluminium

Shape

Other

Length

Bespoke

Manufacturer guidance

On a 60kg coil of 0.7mm x 500mm there is approximately 63 linear metres

Width

0.7 mm

Height

500 mm

Warranty description

40 year

Uniclass

Ss_25_20_50_05 Aluminium sheet fully supported wall-covering systemsPrimary

CAWS

H72/110 Aluminium sheet fully supported roof covering

Specification data - Aluminium sheet fully supported wall-covering systems

System performance

Forms part of a fully supported facade system.

Manufacturer guidance

Single lock aluminium standing seam panels to provide weatherproof cladding, able to freely expand and contract in response to temperature fluctuations. All panels to be installed as per PREFA installation instructions. The appearance of the cladding shall be one composed of flat trays or panels, without excessive oil canning, of straight joints and neat folds, correctly set out according to the architect’s drawings and design intent. 

PREFA recommends a 500 mm wide coil to give a 430 mm panel.

Wall sheathing

18 mm external grade WBP plywood to EN 314-3 and EN 636-2 fixed to timber battens or 0.9 mm Galvanized Trapezoidal Steel Deck.

Membrane

Vapour permeable sheets in accordance with BS EN 13859-1.

Insulation

-

Manufacturer guidance

As per the project architect's specification. Insert requirements. Please note that a vented aluminium standing seam facade does not necessitate any special requirement for the insulation.

Air and vapour control layer

-

Manufacturer guidance

No VCL is required on a ventilated facade. On a 'warm' wall build-up please contact manufacturer.

Carrier

Softwood cladding battens.

Guidance for specification option:

Treated with a suitable wood preservative treatment, height 38 mm minimum. For open gap boarding, plywood or OSB3/4 sheathing.

Metal bracket and rail system.

Guidance for specification option:

For galvanized metal decks.

Substrate

18 mm external grade WBP plywood to EN 314-3 and EN 636-2.

0.9 mm galvanized steel deck.

Cavity barriers

-

Horizontal

-

Manufacturer guidance

As per the project architect's specification. Insert requirements.

Vertical

-

Manufacturer guidance

As per project architect's specification. Insert requirements.

Sheet underlay

-

Material

Vapour permeable sheets in accordance with BS EN 13859-1.

Fasteners

Aluminium or galvanized steel staples or 20 x 3 mm extra-large head clout nails.

Timber cores for batten roll joints

-

Cores

As per FTMRC Guidelines.

Fasteners

As per FTMTC Guidelines.

Aluminium sheets

0.7 mm PREFA PREFALZ.

Vertical joints

-

Form

Single lock, angle standing seam.

Fixings for standing seam joints

Stainless Steel (austenitic) Fixed Clips.

Guidance for specification option:

For panels less than 3 metres in length, only fixed clips are required.

Stainless Steel (austenitic) Sliding Clips.

Guidance for specification option:

For panels over 3 metres in length, sliding clips must also be used. Standing seam sliding clips are installed towards the bottom on vertical panels, and to the left and right of the centre for horizontal panels.

Manufacturer guidance

All clip positions to be in accordance with PREFA installation instructions and FTMRC Guidelines.

Fasteners to substrate

A2 stainless steel ring shank nails, 2.8 x 25 mm.

Guidance for specification option:

Timber substrate.

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

Guidance for specification option:

Timber substrate.

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

Guidance for specification option:

Metal substrate.

Cross joints

-

Form

As per PREFA installation instructions.

Fasteners

As per PREFA installation instructions.

Head detail

-

Form

Vented vacade: Front vented with aluminium wall capping. Rear vented with aluminium wall capping.

Non-vented facade: Unvented aluminium capping.

Fasteners

As per PREFA installation instructions.

Bottom edge detail

-

Form

Vented facade: Continuous under-cloak starter profile flashing to hold first cladding panel, with cavity air inlet. Insect mesh or perforated flashing to be used.

Non-vented facade: Continuous under-cloak starter profile flashing to hold first cladding panel.

Fasteners

As per PREFA installation instructions.

Abutments

-

Form

As per PREFA installation instructions.

Samples required

-

Manufacturer guidance

Please contact your local PREFA technical representative to arrange samples. Contact details are on the PREFA UK overview and on the PREFA UK Website.

System accessories

Guidance for specification option:

An extensive range of accessories is available; consult literature for details and insert requirements.

Execution

-

Manufacturer guidance

Panels shall be set out according to the architect’s drawings, or in their absence, according to the design intent of the project. The details of the work should be carried out according to FTMRC Guidelines and manufacturer’s recommendations. After completion, no marking should be visible on any panels, or flashings.


Specifiers should consult with the manufacturer in reference to execution requirements.

Colour/ Finish

01 Brown P.10.

Guidance for specification option:

Similar to RAL 7013.

02 AnthraciteP.10.

Guidance for specification option:

Similar to RAL 7016.

03 Black P.10.

Guidance for specification option:

Similar to RAL 9005.

04 Brick Red P.10.

Guidance for specification option:

Similar to RAL 8004.

05 Oxide Red P.10.

Guidance for specification option:

Similar to RAL 3009.

Show more

Width

500 mm.

Thickness

0.7 mm.

Weight

1.89 kg/m².

Guidance for specification option:

Average consumption with 500 mm wide coil: 2.3 kg/m² (approximately).

Installation

Guidance for specification option:

On continuous support substrate (thickness in accordance with national guidelines or regulations). PREFA recommend an angled standing seam with 430 mm wide trays (centre) on facades.

Surface finish

Smooth.

Guidance for specification option:

Available on request.

Stucco.

Guidance for specification option:

As standard.

Rear panel

Protective paint.

Third-party certification

QA Certificate.

Sustainability data

Contains Red List materials

No

Country of material origin

Austria

Country of product manufacture

Austria

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

6.39 kg CO₂ eq/kg

Manufacturer guidance

EPD available on request

Recyclability

100

Manufacturer guidance

Fully Recycable

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

87 %

Manufacturer guidance

Information available on request

EPD

Third party certifications

QA Certificate

QA Certificate

CE: Marked

EPD

EPD

Environmental Performance Declaration

Literature

PREFA PREFALZ Standing Seam Facade

PREFA PREFALZ Standing Seam Facade

Declaration of Performance. PREFALZ

Declaration of Performance. PREFALZ

PREFALZ. Standard Details. Standing seam Facade.

PREFALZ. Standard Details. Standing seam Facade.

Case studies

3 Residential Houses. Ouvane, Sutton, Co Dublin, Ireland

3 Residential Houses. Ouvane, Sutton, Co Dublin, Ireland

Oatlands Manor. Residential Apartments & Duplexes, South Dublin.

Oatlands Manor. Residential Apartments & Duplexes, South Dublin.