Roll forming lines

Gutter Roll Forming Machine

Lines for seamless rain gutter and downspout profiles in aluminium, copper and prepainted steel, including the bending and crimping stations that turn a flat strip into a finished run.

  • Sheet thickness 0.5–0.8 mm
  • Line speed 0–15 m/min
  • Forming stations 22
  • Profiles K-style, box, half round

Technical overview

Forming a gutter that holds its shape on the wall

A gutter profile is a folded open section, so the line has to control the lip, the bead and the hanger flange at the same time. Small errors in the bead show up as leaks after the first season.

The forming train runs 22 stations on 70 mm shafts and finishes with a curling station that rolls the front bead and returns the back flange. Material choice drives the tooling: aluminium needs polished rollers and lower pressure to avoid galling, copper needs dedicated rollers because it work hardens, and prepainted steel needs a protective film or nylon guides at every contact point.

Downspout lines add a tube forming section, a seam lock and, on rectangular spout, a bending station. Where gutters are sold as finished runs, the line is paired with a run-out table and a crimping station. See roof panel lines for the sheet that usually goes with this profile, or building applications for where they are installed.

Typical specifications

Coil width
300–650 mm
Sheet thickness
0.5–0.8 mm
Forming stations
22
Shaft diameter
70 mm
Main motor
4 kW
Line speed
0–15 m/min
Finishing
Bead curling, flange return
Cutting
Hydraulic post-cut

Figures are typical for this category. Final values follow the profile drawing and material grade.

Discuss your specification

FAQ

Gutter Roll Forming Machine — questions buyers ask

Answers come from real quotation discussions. If your question is not here, ask it directly and an engineer will answer.

Can the line form aluminium and copper?

Yes, but with different roller sets. Copper work hardens quickly, so it needs dedicated polished rollers and reduced forming pressure. Aluminium runs on the same frame with a pressure reset. Tell us the material mix at enquiry stage.

Does the line produce seamless gutter in one piece?

Closed profiles are limited by coil size, not by the machine. With a 650 mm coil you can form runs limited only by handling length; in practice most buyers form 6–12 m runs and join on site with a sealant or a crimped connector.

What bead and flange options are available?

Standard builds cover K-style with a 25–35 mm front bead, box gutter with a flat return and half round with a rolled edge. Hanger flange depth is set at tooling design and cannot be changed afterwards.

How is surface finish protected during forming?

Prepainted coil runs with either a protective film or nylon guide inserts at the entry, and rollers are chrome plated with rounded edges. Aluminium uses a lubricant film that is wiped at the run-out table.

Next step

Get a quote for a Gutter Roll Forming Machine

Send the profile drawing, material thickness and target output. You will get a line configuration, tooling scope and delivery schedule — usually within one working day.

Or compare non-standard builds on the custom roll forming page.

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