Suitable for refurbishing commercial and industrial gutter systems including asbestos cement, cast iron and G.R.P.

Can also be used as a replacement to lead gutters on listed buildings.


Gutter lining system designed and engineered to maximise the available space within the existing gutter cavity.

Features and benefits:

  • Will remain rigid and stable in service.
  • Will offer an exceptional life - thirty-year guarantee but made to last in excess of fifty-years.
  • Guaranteed not to leak.
  • No disruption to production processes beneath.
  • Cost effective - eliminates need to remove or modify existing sheeting.
  • Easily fixed - fixing techniques follow existing and proven practices.
  • Lightweight - minimal increase to dead and imposed loads.
  • Maximum retained gutter capacity.
  • Existing gutters may be insulated with ease.
  • A double sealed joint Unique hinge system - to allow ease of installation.
  • Maximises space.

General information




Ethylene propylene diene monomer (EPDM)

EPDM membrane bonded to a galvanised steel substrate.





2.8 m


30-year warranty

Guarantee warrants that the gutter lining is free from defects in material and manufacturing workmanship and installation. After the installation has been completed, the approved contractor will issue the guarantee which then runs for 30 years.

Uniclass 2015

Pr_65_50_35_38 Gutter liningsPrimary


H31/234 Gutters

H30/234 Gutters

R10/345 Gutter linings

Specification data - Gutter linings Enhanced data


Ethylene propylene diene monomer (EPDM).

EPDM membrane which is pressure bonded to a galvanized and organically coated steel substrate.



2.8 m.


Ethylene propylene diene monomer (EPDM) Elastoform.

Factory fabricated in a spigot format to suit specified down pipe sizes. Positioned through a cut hole into the Unifold® gutter and spliced (cold vulcanised) into position in accordance with splicing instructions.

Ethylene propylene diene monomer (EPDM) Sureseal Metal/Membrane.

Factory fabricated in a spigot format to suit specified downpipe sizes. Used to replace corroded outlets or to provide new outlets. Also used as a security point each side of an expansion joint for Unifold®.

Product Reference

Unifold Gutter Lining System