Membrane Gutter Specifications

Type
A factory assembled insulated self supporting gutter lined on the external surface with a fully bonded weldable PVC membrane. The gutters are designed to be a low maintenance component and may be used as a walkway given suitable edge protection. Gutters are available in any configuration to suit the clients design requirements.

Water Carrying Surface
Steel Substrate - 0.6 - 1.5mm thick steel (Grade British Steel BS EN 10215 : 1995 DX51D & AZ150) coated in Aluzinc to BS EN 10215 : 1995 DX51D & AZ150 and reverse lacquer protected steel sheet for exterior roofing applications.

PVC laminate, Gutter Area - 400/D single ply polymeric roofing membrane, 0.6mm thick.

General - A strong, weatherproof and uniform PVC polymeric membrane bonded to a weather protected, pretreated steel substrate using a cross linked vinyl acrylic adhesive so as to provide an integral weatherproof barrier for the minimum period of 20 years within normal European exposure limits.

Insulation
PIR insulation board, cut to suit the gutter profile and bonded in place. Alternatively EPS insulation may be specified. Each insulation material may be specified in a thickness to suit the "U" value requirements for the project.

Internal Liner Sheet
Substrate to be 0.7mm thick zinc coated steel grade FeE220G Z275 to BS EN 10147 : 1992. Internal coating to be 22 microns bright white polyester.

Accessories
Supports - where required, 50 x 6mm flat pre-galvanised steel straps are available. Factory fabrications - Corners, stop ends, tees, box outlets and section changes. Site materials - 150 and 200mm reinforced membrane jointing strips, outlet, overflow weirs, fixings and sealants.

Assembly
The inside and outside gutter skins are bonded to the insulation and the flanges where the surfaces come together are joined by clinching or riveting.

Method of Jointing
Joggle lapped joint. Standard joints to be made using 200mm membrane jointing strips, expansion joints to be made with 200mm membrane jointing strips.

Insulated Membrane Lined Gutters

• Reliable lifetime performance - 15 years warranty, in excess of 40 year life expectancy
  
• Superior quality, continuously sealed gutter - no through penetration, bolt or seal failure risk
  
• 50% faster installation - single component system
  
• Suitable for conventional or siphonic drainage systems
  
• Project specific design, layout and dimensions
  
• Full ancillary range

Click for larger image

Membrane Gutter Typical Details

Joint Details Cross Section

Outlet Details

Conventional Straight Outlet Available in a range of other materials ie PVC and Aluminium	Conventional Tapered Outlet
Syphonic Outlet

Gutter Details