Box gutter

Powder-coated, corrosion-free, attractive: Roof drainage from PREFA ticks all the right boxes.

+9
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Information

PREFA gutters have been tried and tested for decades and their appeal lies in their well-thought-out, detailed technical solutions. Thanks to the proven surface treatment, they remain functional and attractive for many years. PREFA gutters are produced from powder-coated aluminium strips. Alloys according to EN 573 or DIN 1725 make up the basic material for this.

Advantages of PREFA gutters:

  • corrosion-free and long service life due to aluminium
  • tested original quality
  • can be used creatively thanks to a range of 12 colours plus additional special colours (on request)
  • maintenance-free
  • comprehensive gutter accessories​​​​​​​

Colour overview (13)

The product is available in the following colours

Colour

Code

~ RAL

01 Braun

P.10 brown

7013

02 Anthrazit

P.10 anthracite

7016

03 Schwarz

P.10 black

9005

07 Hellgrau

P.10 light grey

7005

10 Prefaweiß

P.10 prefa white

9002

11 Nussbraun

P.10 nut brown

8019

PREFA dunkelgrau ähnlich DB 703 oder RAL 7043

P.10 dark grey

7043

04 Ziegelrot

brick red

8004

05 Oxydrot

oxide red

3009

06 Moosgrün

moss green

6005

08 Zinkgrau

zinc grey

7030

12 Silbermetallic

metallic silver

9006

13 naturblank

plain aluminium

Notes

  • The RAL values stated are merely approximate values (~), some of which may differ vastly from the original PREFA colour and, under certain circumstances, may not reflect the subjective perception of the colour. 
  • Above all for colour quality P.10, it is almost impossible to define values due to the surface structure.
  • Plain aluminium: The guarantee does not cover surface appearance alterations caused by processing and environmental influences. Follow the instructions.
  • Metallic colours may vary in shade.
  • To identify exact colours for complementary components please consult original samples.

Technical information

The coating layer is malleable and protected against general chemicals and weather conditions. The coil-coating process is subject to strict quality controls.

In addition, the long-term behaviour is analysed in salt spraying, condensation and water immersion tests.

Temperature resistance

Between –30° and +80°

Quality controls

layer thickness, gloss level, shade, paint hardness, paint adhesion, paint bonding, deformation resistance, paint hardening

Box gutter dimensions (piece lengths: 3 m and 6 m)

250, 333
Dimensions 400 and 500: only 6 m
Dimension 500: 3 m only available on request

Aluminium downpipe (piece length: 3 m)

Ø 80 mm, Ø 100 mm, Ø 120 mm, Ø 150 mm

Planning and installation

More product information is available for downloading here

Accessories

Box gutter bracket

250, 333, 400, 500

Fascia bracket for box gutter

250, 333

Box gutter end cap

250, 333, 400

Box gutter end cap 500

left/right

Box gutter corner 90° (external)

250, 333, 400, 500

box gutter corner 90° (internal)

250, 333, 400, 500

Box gutter outlet

250 × Ø 80, 333 × Ø 100, 400 × Ø 120, 500 × Ø 120, 500 × Ø 150

Box gutter expansion joint with bead and cover plate

280, 333, 400

Box gutter expansion joint without bead or cover plate

250, 333, 400

Eaves drip edge

230 × 2.000 × 0,70 mm