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EPDM Roofing

Perimeter Trims - Technical Data Bulletin

Perimeter Trims

Please click here to download a PDF version of this technical bulletin

General

DuoPly metal perimeter fixings offer solutions to the perimeter of flat roofs. Platisol Wall trims, edge trims, end caps and Aluminium Termination Bars all complete the DuoPly Flat Roof Package.

Quality: The plastisol steel substrate used for the perimeter trims has a hot dipped galvanised coating of 275 grammes per square metre. The substrate is primed and 200 microns of leather grain embossed Plastisol are applied to the external surface.

The reverse/internal surface is galvanised andcoated with a standard alkali grey wash coat.

UV Resistance: The Plastisol applied consists of Polyvinyl Chloride based Thermoplastic Resins with short molecular chains for better UV resistance particularly suited to the construction sector.

Heat Resistance: Maximum continuous temperature -40°C to +80°C

Thickness & Colour: PVC Plastisol coated flat roof perimeter trims are 0.7mm thickness. We supply PVC Plastisol in standard stock colour of black, but we can get a range of colours produced on request.

Wall Trims

Wall Trims

The Plastisol Steel wall trims offer a fast economical alternative to a lead flashing into a wall. The 0.7mm thick Plastisol steel is inserted into the chase cut into the wall and fixed into the wall using RB Fasteners every 400-500mm.

Features & Benefits

  • 3 metres long, 100mm depth, 25mm return into wall
  • Colour matched to roofing membrane
  • Fast installation
  • Low scrap value, reducing chance of theft

Wall Trim Diagram

Edge Trims

Edge Trims

General

The DuoPly perimeter edge trims are plastisol 0.7mm steel. These trims are used for perimeter finishing and can also be used for a gutter drip edge.

Where they are used for the roof perimeter they are commonly placed onto an upstand to cover
the outside cut edge of the membrane and fixed using RB Fasteners, When they are installed as a drip edge to the roof gutter they must be seamed to the roof membrane with 150mm Cover Strip and DuoPly EPDM Primer. See installation manual for full details.

Features & Benefits

  • 75-175mm depths available from stock, bespoke sizes manufactured on request.
  • 3 metres long with 40mm top return and 10mm drip return along the bottom edge
  • Colour matched to roofing membrane
  • Fast installation, easily replaced if damaged at a later date.
  • Installed using RB Fasteners


End Caps & Joiners

End Caps and Joiners

General

DuoPly end caps and butt joiners are to be used with the perimeter trims. The butt joiners ensure that the trims sit together properll. The end cap is an alternative to on site forming of the trims to give a suitable return where the trim meets the gutter edge.

Features & Benefits

  • Faster than on site fabrication

Termination Bars

Termination Bars

General

The Termination Bar is an extruded aluminum bar that’s designed for securing and sealing
compression type flashing terminations per DuoPly Specifications.

The bar is packaged in 25mm x 3m lengths and has pre-punched holes every 150mm on center. This bar features a top edge for ease of applying DuoPly’s Lap Sealant for EPDM installations. The bar can be easily cut to any desired length.

When installing, make sure that all corners of cut bar are rounded. Install the bar using HP Fasteners or RB Fasteners Fasteners.

Download the DuoPly Brochure

Registered in England and Wales, Company Number: 03984573

Registered Office: Flex-R Ltd, Sandswood House, Hillbottom Road, Sands Industrial Estate, High Wycombe, Buckinghamshire, HP12 4HJ

Telephone: 0800 037 1240   Email: enq@duoply.co.uk