PREFA PREFALZ® Standing Seam Roof System
QA Certificate
Certificate type
Standing seam roof system.
Aluminium standing seam roof system. Prefalz® is highly malleable and therefore easy to shape. This results in countless individual design possibilities.
Using Prefalz® includes all the advantages of aluminium, combined with a warranty of up to 40-years.
Features and benefits:
- Available in a range of standard colours.
- Available with smooth or stucco surface.
- Comprehensive PREFA system accessories available.
- Versatile use – from arched roofs to complex roof extensions, domes or large-scale roofs.
- Lightweight.
- Long service life – non-corrosive.
- Low weight sheet strip: 1.89 kg/m². Approximately 2.3 kg/m² roof surface with Prefalz® 500, and 2.2 kg/m² roof surface with Prefalz® 650.
- Fully recyclable.
- Non-combustible (A1).
- Highly malleable, even in sub-zero temperatures (allows for expansion).
- Aluminium alloy mechanical properties and coating are coordinated with the folding technology.
- No heavy metal erosion.
Size | 0.7 x 500 mm 0.7 x 650 mm - Flashing strip. |
Finish | Smooth Stucco As standard. |
Material | 0.7 mm-thick aluminium alloy |
Uniclass 2015 | |
CAWS | H72/110 Aluminium sheet fully supported roof covering H72/2 Aluminium sheet fully supported roof covering |
Product Reference | PREFA PREFALZ® Standing Seam Roof System |
Size | 0.7 x 500 mm0.7 x 650 mm-Flashing strip. |
Colour/ Finish | 01 BROWN P.10 - Similar to RAL 7013.See 'Options' below and insert requirements. 02 ANTHRACITE P.10Similar to RAL 7016. 03 BLACK P.10Similar to RAL 9005. 04 BRICK RED P.10Similar to RAL 8004 05 OXIDE RED P.10Similar to RAL 3009. 06 MOSS GREEN P.10Similar to RAL 6005. 07 LIGHT GREY P.10Similar to RAL 7005. 08 ZINC GREY P.10Similar to RAL 7030. 10 PREFA WHITE P.10Similar to RAL 9002. 11 NUT BROWN P.10Similar to RAL 8019. 12 METALLIC SILVERSimilar to RAL 9006. 13 PLAIN ALUMINIUM23 BLACK GREYSimilar to RAL 7022. 43 STONE GREY P.10Similar to RAL 7031. 45 BRONZESimilar to RAL 7048. 46 PATINA GREEN P.10Similar to RAL 6027. 46 PATINA GREYSimilar to RAL 7042. |
Finish | SmoothStuccoAs standard. |
Accessories | An extensive range of accessories is available; consult literature for details and insert requirements. |
Standard product features | Material: 0.7 mm-thick aluminium alloy. Visible size: Coil-coated aluminium (two layers including a primer and a colour finish). Rear: Protective paint. Roof pitch: The manufacturer recommends a minimum substructure roof pitch of >7° (13%). Roof pitch from 3° is possible. From 3–7° it is required to seal the seams (using PREFA Sealing Gel). The position of clips will be according to roof pitch – consult PREFA planning guide. Weight: 1.89 kg/m². Average consumption of approximately 2.3 kg/m² (500 mm-wide coils) or 2.2 kg/m² (650 mm-wide coils). Fastening: PREFA preformed fixed and sliding clips, according to project requirements. Installation: On fully boarded substrate (thickness in accordance with national guidelines or regulations; PREFA recommends 24 mm). A suitable separation layer is required. Observe national standards and specialist guidelines (such as the FTMRC Guide to Good Practice in Metal Roofing). |
- CE: Marked