Anderson Total Torch Vapour Dispersion Layer

Anderson Total Torch Vapour Dispersion Layer

Anderson Total Torch Vapour Dispersion Layer membranes are intended for use as a partial bond underlay within a high performance bituminous built-up roofing system.

It is a engineered roofing product which has been designed to tackle a crucial element of roofing physics by eliminating blistering created by the build-up of water vapour pressure within the roof construction. Total Torch Vapour Dispersion Layer membranes are suitable for use on both new and refurbishment projects.

Features & Benefits

  • Striped resinous profiles channel water vapour to help eliminate blistering, so prolonging roof life.
  • Bonding strength and lap security comparable to fully bonded membranes.
  • Low flame application.
  • Lower energy costs during application.

Product Range

Anderson Total Torch Vapour Dispersion Layers are manufactured from glass fibre reinforced SBS-modified bituminous membrane. The upper surface is finished with a thermofusible film. The underside surface has specially formulated low melt bitumen stripes with a quartz sand between to prevent adhesion during application. The underside is finished with a thermofusible film to prevent sticking in the roll.

The following Total Torch Vapour Dispersion Layers are available:

Product Code Description Roll Size Roll Weight
2002780 Total Torch Vapour Dispersion Layer 1m x 8m 31kg


Icopal Insured Guarantees for up to 15 Years

Icopal Insured Guarantee

When installed to Icopal’s specification and by a Team Icopal approved contractor, comprehensive insured product guarantee cover for up to 15 years is available.
Further information on the different levels of guarantee cover.


The Total Torch Vapour Dispersion Layer has been independently site and laboratory tested by the British Board of Agrément, and awarded BBA certificate number 07/4409.

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