Building Envelope Technologies Ltd, through our partner Tom Bell Wright, are Accredited to ISO/IEC 17025:2017 by United Kingdom Accreditation Service (UKAS) for Building air leakage testing and water permeability, water leakage field check and air leakage and hot smoke tests. We are also Accredited to ISO/IEC 17025: 2005 by International Accreditation Service, Inc. for Large-scale Fire Propagation Testing.