COMPETITIVE PRICES - HIGH REPUTATION - QUALITY SERVICE - EXPERIENCED ADVISE We carry out Air Leakage Tests to Domestic and Commercial properties under Building Regulations L1 and L2 L1 Testing Ltd are registered with the British Independant Airtightness Testing Scheme (iATS) to perform tests on new dwellings. Our procedures are carried out in accordance with the guide lines set-out in the ATTMA TSL 1 and TSL 2 Services We Provide: - Carrying out the tests complying with diagnostic testing methods using calibrated state of the art Retrotec equipment and supporting Fantestic software programming. - Pre-testing and fault finding together with site inspections and operative workshops. - Design input at an early stage in the project. - Air tightness test to comply with Building Regulation Part L1a & L2a. - Issue a pass certificate upon successful completion of the test. We can also arrange for SAP/SBEM calculations and sound tests at competitative prices. We can also arrange for Energy Performance Certificates. As well as Acoustic Sound Services