EXTERIORS 25 HBD12_Sika Sarnafil_Structural Elements - Roofing_FPAdv_HBD FP Adverorial 29/11/2021 14:27 Page 1
Sika Demonstrates Extensive Fire Safety Compliance Using Extended Application Assessments
Sika Sarnafil single ply on OCL Facades Ltd New Head Office, by Contour Roofing (Essex) Limited
M
arket-leading roofing manufacturer Sika has nowcompleted Extended Application Assessments, testing
to CEN/TS 1187:2012 Test method 4 for the entire Sika Sarnafil range of PVC single ply membranes. Subsequently, the most common Sika Sarnafil roof systems are nowall classified under BSEN 13501-5 as BROOF(t4). Working closely with independent global
fire safety testing, inspection and certification companyWarringtonfire – part of the Element Materials Technology Group – Sika has undertaken significant investment to attain the BROOF(t4) classification across all PVC membrane systems. This covers a range of permutations, including membrane type, thickness of PIR insulation, up to a 70-degree pitch and on any structural substrate. A project spanning over two years’work,
Sika has invested a substantial amount of time and resource, utilising the EXAP standard CEN/TS16459, which is available as a means of covering ranges of systempermutations. Dean Grady, project leader and Senior
Product Engineer at Sika, comments on why Sika has opted to invest in this type of testing: “The market has become acutely aware of
fire safety and it is looking to industry leaders to help.We have seen for a while nowthat specifiers, architects, clients and building control are increasingly insisting on fire test certificates that directly reflect the exact system being installed. As it is very problematic to test every single permutation of a system, when you factor in multiple substrate types, insulation thickness and membrane type/thicknesses, EXAP testing through an independent body allows us to cover most variations of the system being installed.With Sika Sarnafil roof systems classified as BROOF(t4),we’re able to demonstrate and facilitate regulatory compliance for fire safety and satisfy current market demand.” Continuing, he explains howthe update will
affect specifiers: “Having this comprehensive BROOF(t4) classification, which indicates the highest external fire performance for roofs, means that specifiers and other stakeholders can use Sika Sarnafil on their roofing projects with a very high degree of confidence, assured that they’re complying with fire regulations.” The only people who are permitted to under-
take any degree of desktop/extrapolation studies noware accredited, independent fire
test houses. This clearly removes the ability for anyone else to interpret or extrapolate the fire test data that may have been practiced in the past. “We are not offering a view,we are offering
wide-ranging test data and evidence that covers most permutations and situations – all with third-party verification, which is key. It’s a clear way forward in terms of mitigating roof fire risk and helping support those with the heavy responsibility of ensuring people’s safety,” he adds. The project involved taking a huge existing
body of fire testing reports into consideration and conducting further, more extensive physical testing. On completion of the programme, Sika nowhas independent test reports readily available on request. With plans to extend the initiative across the
entire Sika roofing range, Sika looks forward to increasing the confidence and reassurance specifiers are looking for and strengthening its position as an expert and leader in testing and compliance.
01707 394444
www.sika.co.uk/roofing
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WWW.BUILDINGCONSTRUCTIONDESIGN.CO.UK
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