Supertuff has become synonymous with the highest quality glass and sealed unit products in the industry. Quality is never compromised at Supertuff and is a core value which is embraced by everyone within the Organisation.
We achieved this by ensuring our manufacturing and performance standards, from design and testing through to production, comply strictly to BS and EN product standards.
We are proud BSI Kitemark licence holders for over 15 years and guarantee only the best levels of workmanship. Our methods and working practices are continuously assessed and monitored to always provide a fully BS EN standard compliant product to our customers.
Manufacturing Quality Standards
BS EN 12150 Glass in Builing: Thermally Toughened Soda Lime Silicate Safety Glass
BS EN 12600:2002 Glass in Building: Pendulum & Impact Test
BS EN 14179:2016 Glass in Building: Heat Soaked Thermally Toughened Soda Lime Silicate Safety Glass
BS EN 1279 Glass in Building: Insulated Glass Units
BS EN ISO 9001:2015 Quality Management Systems
CE Mark Declaration of Conformity to European Standards



ABOUT US
Super Toughened Glass Ltd (STG) was established in 1999 with the ultimate aim of providing the highest quality tempered glass manufactured to the Kite mark requirement to BS EN 12150.