Wetherby is the first EWI provider in the UK to gain BBA certification for a grey EPS insulation board to be used with both silicone and dash render finishes.
Following the EpsiTherm insulation board completing all BBA testing in May, the new BBA certifications allow Wetherby to provide a fully approved EWI solution utilising a graphite-enhanced EPS insulation board.
The new certifications approve Wetherby’s EpsiTherm insulation board to be used with its Epsiwall (silicone) and Epsicon (dash) systems for new and existing domestic and non-domestic buildings. The key factors assessed to achieve the certification were thermal performance, strength
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