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PREFA PREFALZ® Standing Seam Roof System

Third party certifications:
  • QA Certificate

    Certificate type

PREFA UK Ltd

Standing seam roof system.

Jump to:
+44 20 7795 8124 www.prefa.com
Description

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.

General information
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
Aluminium sheet fully supported roof covering systems (Ss_30_40_50_10)Primary
Specification data - Aluminium sheet fully supported roof covering systems
Product Reference

PREFA PREFALZ® Standing Seam Roof System

Size

0.7 x 500 mm

0.7 x 650 mm

-

Flashing strip.

Colour/ Finish

01 BROWN P.10 - Similar to RAL 7013.

See 'Options' below and insert requirements.

02 ANTHRACITE P.10

Similar to RAL 7016.

03 BLACK P.10

Similar to RAL 9005.

04 BRICK RED P.10

Similar to RAL 8004

05 OXIDE RED P.10

Similar to RAL 3009.

06 MOSS GREEN P.10

Similar to RAL 6005.

07 LIGHT GREY P.10

Similar to RAL 7005.

08 ZINC GREY P.10

Similar to RAL 7030.

10 PREFA WHITE P.10

Similar to RAL 9002.

11 NUT BROWN P.10

Similar to RAL 8019.

12 METALLIC SILVER

Similar to RAL 9006.

13 PLAIN ALUMINIUM

23 BLACK GREY

Similar to RAL 7022.

43 STONE GREY P.10

Similar to RAL 7031.

45 BRONZE

Similar to RAL 7048.

46 PATINA GREEN P.10

Similar to RAL 6027.

46 PATINA GREY

Similar to RAL 7042.

Finish

Smooth

Stucco

As 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).

Third party certifications
  • CE: Marked
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