NBS Source
List your products
Flagon SRF

Flagon SRF

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

Soprema UK

Plasticized PVC waterproof membrane with polyester mesh reinforcement and backing fleece.

Jump to:
+44 (0)330 058 0668 www.soprema.co.uk

A homogeneous synthetic membrane of plasticized PVC manufactured by the cast process. The sheet is made up of plastisol layers and reinforced with polyester mesh and with a non-woven polyester felt backing of 200g/m² for isolation or cushioning.

Flagon SRF is designed for mechanical fixing applications on thermal insulation. Laps are homogeneously welded using hot air welding equipment.

The roof system consists of:

  • Vapour Flag vapour control layer.
  • Efyos PIR.
  • Flagon SRF waterproof membrane.

General information

Uniclass 2015

Pr_25_57_51_66 Polymeric membranesPrimary


J42/10 Warm deck roof covering

J42/110 Warm deck roof covering

J42/400 Waterproof membrane

Specification data - Polymeric membranes

Product Reference

Flagon SRF


1.2 mm

1.5 mm

1.8 mm

2.0 mm



Bar fixing system

Expansion fixing plugs for concrete substrates

Flag range of prefabricated corners, fittings and unions

Flagon sheet metal laminated sections for flashings and cappings

Pre-drilled galvanized bar

Pressure plates for screws or plugs

Self-tapping screws and plates for metal/ timber substrates

Standard product features

Roll width:

1600 mm.

Roll length:

20 m.

Tensile strength:

>1100 N/5 cm.

Elongation to break:



Light grey.

Product Options


  • 1.2 mm-thick: 1.70 kg/m².
  • 1.5 mm-thick: 2.00 kg/m².
  • 1.8 mm-thick: 2.35 kg/m².
  • 2.0 mm-thick: 2.60 kg/m².


A wide range of accessories are available.

Third party certifications
  • Certificate: 00/3684 : Flagon PVC Single-ply waterproofing systems
Similar products from Soprema UK