SIGnature PU-20
Manufacturer: AccuRoof
Materials: Polyurethane
SIGnature PU-20 is a liquid applied roof waterproofing kit which consists of:
• SIGnature PU-20 — a one-component, polyurethane, liquid-applied waterproofing membrane
• SIGnature PU Terrace — a one-component, liquid-applied, aliphatic polyurethane top coat for use over SIGnature PU-20.
Number: 19/5696 Issue 2
Issue date: 12/12/2023
Approved for use on
Flat Roofs Pitched Roofs
For use as a waterproofing system on new and existing, flat and pitched, limited access roofs. When installed without the SIGnature PU Terrace, the system is only suitable for non-accessible areas or under protection.
Substrate
Concrete Fibre Cement
The system is suitable for use on the following substrates:
• concrete
• mortar
• fibre cement
Durability
10 Years
SIGnature PU-20 will achieve an initial life expectancy of at least 25 years when used under protection or in non-accessible areas. SIGnature PU Terrace may require re-application after 10 years.
Installation Requirements
Installation of the system must be carried out by specialist roofing contractors trained and approved by the Certificate holder.
Fire Safety
When tested to DD CEN/TS 1187 : 2012, Test 4, and classified in accordance with BS EN 13501-5 : 2016, a system comprising an 8 mm fibre cement board, a base coat of SIGnature PU-20 and a top coat of SIGnature PU Terrace reinforced with SIGnature PU Reinforcing Fabric (134 g·m–2), achieved a classification of BROOF(t4).
The designation of other specifications should be confirmed by reference to the requirements of the documents supporting the national Building Regulations.
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Downloads
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BBA Certificate – SIGnature PU-20
Document class :
Document type : Link
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