A two or three layer, SBS modified elastomer bitumen roofing system combining waterproofing layers, PIR insulation and vapour control layer.

General information

Uniclass 2015

Ss_30_40_30_72 Reinforced bitumen membrane warm roof covering systemsPrimary


J41/110 Built-up reinforced bitumen membrane warm deck roof covering

J41/120 Built-up reinforced bitumen membrane inverted roof covering

J41/130 Built-up reinforced bitumen membrane cold deck roof covering

Specification data - Reinforced bitumen membrane warm roof covering systems

Product Reference

Power Elastomeric system


Not required

Icopal Siplast Bitumen Primer

Vapour control layer

Vapourbar Vapour Control Layer


Thermazone Roofboard Insulation

Thermazone Full Bond P&R Insulation

First layer

Not required

Anderson 3G Perforated Preparation Layer

Intermediate layer

Anderson Power Elastomeric 180 Sand underlay

Anderson Power Elastomeric 250 Sand underlay




Anderson Power Elastomeric Mineral





Flashings and detail work

Anderson HT Elastomeric Sand underlay

Anderson HT Elastomeric Mineral cap sheet



Thermazone Roofboard Insulation Fillet

Icopal GRP trim

Icopal Roofgard Outlet

Icopal Roofgard Parapet Outlet

Icopal Roofgard Cowled Telescopic Vent

Icopal Roofgard Cable and Tube Duct

Icopal Roofgard Lightning Conductor Pads

Product Options


Consult with Icopal Ltd for details of the preparation and priming of the intended roof structure and substrate and for details of the requirements for preparation layers, venting layers, nailing layers and taping strips.

System build-up:

Consult Icopal Limited’s technical literature for details and guidance. Icopal Limited are also able to offer a design and specification service and it is recommended that they are consulted early in the design process.

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