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IKO PLC. UPXL waterproofing systems. Guardian roof waterproofing system. Product sheet 1

Certificate 15/5238

IKO PLC. UPXL waterproofing systems. Guardian roof waterproofing system. Product sheet 1

Document Status



Core Supplement




Relates to a polyester-reinforced, self-adhesive SBS modified bitumen UPXL membrane, for use as a fully-bonded waterproofing system on limited access flat or pitched roofs. Key factors assessed were weathertightness, properties in relation to fire, resistance to wind uplift and foot traffic, and durability.


Date of second issue: 1st March 2019. Supersedes the first issue. Originally certificated on 10th December 2015.


Publisher History

The British Board of Agrément have been providing authoritative and independent information on the performance of building products for over 40 years. The certificates they produce contain data on durability, installation and compliance with Building Regulations.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

IHS Markit

IHS Markit is a leading global source of critical information and insight for customers in a broad range of industries. Our customer product and service solutions span four major areas of information: energy, product lifecycle management, environmental and security. By focusing on our customers first, we deliver data and expertise that enable innovative and successful decision-making. Customers range from governments and multinational companies to smaller companies and technical professionals in more than 180 countries. IHS has been in business since 1959 and employs more than 3,500 people in 35 locations around the world.

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