Build Check specialise in air tightness testing, acoustic testing, energy ratings and U-value analysis of doors, windows and facades and other testing and consultancy services to the building industry throughout the UK. We are also accredited for product certification of windows and doors.We pride ourselves in providing a professional service focussing on customer care and high quality results.Build Check are recognised as a UKAS accredited certification and test laboratory. Our range of skills and expertise ensures that all your questions and concerns can be dealt with quickly and efficiently by one organisation.