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Warmshell is fully accredited by the British Board of Agrément (BBA), the independent international authority that approves products for use in the construction industry.
To obtain this accreditation, the Warmshell system has gone through a rigorous programme of laboratory testing, on-site evaluations, quality management checks and production inspections to confirm that it will meet and continue to perform to its stated specification.
As such it is unique, the only external wall insulation system using breathable lime render to have passed ETAG 004 European Technical Approval and to hold a BBA certificate.
The ETAG 004 guideline governs the performance of External Thermal Insulation systems, and means that Warmshell has been assessed not only for its structural and mechanical stability and capacity to meet hygiene, health, safety and environmental requirements, but also energy efficiency and heat retention, sound reduction qualities and long-term durability.
Tested at specialist facilities, Warmshell has been exposed to extreme and accelerated cycles of heating, freezing, thawing, wetting and drying, at high levels of humidity and temperatures ranging between ‑20°C and 70°C, over repeated and extended periods.
Warmshell has also been extensively tested for its reaction to fire, results from fire consultants Exova allow the use of Warmshell on buildings up to 18m in height. The system produces no flaming droplets or smoke when tested in accordance with relevant European standards.
BBA accreditation is widely recognised throughout the construction industry as a symbol of quality and assurance, so you can be confident that Warmshell will be accepted by specifiers, building control, local authorities and insurers.
Regular monitoring by the BBA will ensure that Warmshell continues to meet its own high performance standards.