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SIGnature 25 Torch On Reinforced Bitumen Warm Roof System

Modified bitumen built up roofing system with PIR Insulation.

Suitable for application over:

  • Concrete
  • Plywood
  • Metal
  • Existing built up roofing.

BBA Certified No. 18/5524

Warranty available up to 25 years.

BROOF(T4) fire tested: contact our technical team for more information.

Contact our technical team for specification.

AccuRoof - SIGnature Edge Corrosion
Roof Type

Warm Roof

Waterproofing Type

Reinforced Bitumen Membrane

Insulation Type


Deck  Type

Existing Built Up Roofing


Ss_30_40_30_71 Reinforced bitumen membrane inverted roof covering systems

Case Studies

7 September 2021

Private House, Chichester

Sustainability and blending in with the natural environment were the criteria for the re-design and extension of this home near Chichester, West…

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21 December 2020

Spencer Courtyard, Finchley, London

Sustainability and creating a lush, haven of greenery were key considerations for award-winning architects and designers kennedytwaddle when turning a derelict eyesore…

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14 December 2020

Imperial Court

Situated on the trendy Streatham high street Imperial Court has been designed to meet the growing need for well designed but affordable…

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Knowledge Hub

18 June 2024

Exposed Zero falls roofs: BBA Action

The British Board of Agrément (BBA) is taking action to clarify its position on some materials certified for zero falls roofs.

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15 April 2024

AccuRoof®: The new name for SIG Design and Technology

Trading Director Robert Edwards explains why SIG Design & Technology is rebranding to AccuRoof®, and what this means for its specifier-led customer…

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15 February 2024

The GRO Green Roof Code – a Green Roof Guide to Best Practice

The 2021 anniversary edition of the GRO Green Roof Code includes guidance on blue roofs, biosolar roofs and biodiversity net gain.

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