Fully Supported Facades - PREFA STANDING SEAM - PREFALZ® - Coated aluminium standing seam
Verified by manufacturer 3 months ago
BBA Agrément Certificate
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BBA Agrément Certificate
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QA Certificate
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Fire Safety Certification
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EPD
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PREFALZ® coil coated aluminium standing seam. Available in 20 standard colours, including our P.10 finishes. Bespoke colours are also available upon request.
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
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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 |
Finish | Painted |
Material | Aluminium |
Shape | Other |
Length | Bespoke Manufacturer guidanceOn 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 | |
CAWS | H72/110 Aluminium sheet fully supported roof covering |
Specification data - Aluminium sheet fully supported wall-covering systems
Classification data | |
System performance | Forms part of a fully supported facade system. Manufacturer guidanceSingle 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 guidanceAs 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 guidanceNo 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 guidanceAs per the project architect's specification. Insert requirements. |
Vertical | Manufacturer guidanceAs 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 guidanceAll 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 guidancePlease 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 guidancePanels 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. 06 Moss Green P.10. Guidance for specification option: Similar to RAL 6005. 07 Light Grey P.10. Guidance for specification option: Similar to RAL 7005. 08 Zinc Grey P.10. Guidance for specification option: Similar to RAL 7030. 10 Prefa White P.10. Guidance for specification option: Similar to RAL 9002. 11 Nut Brown P.10. Guidance for specification option: Similar to RAL 8019. 12 Metallic Silver. Guidance for specification option: Similar to RAL 9006. 13 Plain Aluminium. 17 Pure White P.10. Guidance for specification option: Similar to RAL 9010. 19 Dark Grey P.10. Guidance for specification option: Similar to RAL 7043. 23 Black Grey. Guidance for specification option: Similar to RAL 7022. 43 Stone Grey P.10. Guidance for specification option: Similar to RAL 7031. 45 Bronze. Guidance for specification option: Similar to RAL 7048. 46 Patina Green P.10. Guidance for specification option: Similar to RAL 6027. 46 Patina Grey. Guidance for specification option: Similar to RAL 7042. |
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 |
Material | Aluminium |
A1–A3 ('Production stage') | Embodied carbon as defined in BS EN 15804 |
Normalized unit | 6.39 kg CO₂ eq/kg |
Declared unit | 6.39 kg CO₂ eq/kg Certified Manufacturer guidanceEPD available on request |
Recyclability | 100 Manufacturer guidanceFully Recycable |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 87 % Manufacturer guidanceInformation available on request |
Product certifications
Product certifications
BBA Agrément Certificate
BBA Certificate for P.10 Coated PREFALZ
BBA Agrément Certificate
BBA Cert for Non-P.10 Coated PREFALZ
QA Certificate
IQNet-certification-ISO-9001-2015
Fire Safety Certification
PREFA Fire Classification Report
EPD
PREFA EPD Cold-formed aluminium sheet for outdoor uses
Literature
Literature type
PREFA PREFALZ Standing Seam Facade
Declaration of Performance. PREFALZ
PREFALZ. Standard Details. Standing seam Facade.
PREFA Colour Chart 2025
IQNet ISO 9001 Certificate
PREFA ISO 9001 Certificate
PREFA - Product Brochure. 2025 /2026
Prefarenzen 2025
Prefarenzen Journal
PREFA Sustainability Brochure
PREFA - Environmental Performance Declaration.
PREFALZ. Declaration of Performance.
PREFALZ. Standard Roof Details
PREFA PREFALZ Standing Seam Roof
CPD materials
Aluminium Roofing and Cladding
Case studies
3 Residential Houses. Ouvane, Sutton, Co Dublin, Ireland
Oatlands Manor. Residential Apartments & Duplexes, South Dublin.
Lawlors Hotel, Naas, Ireland