mastaTEX® F is a non-woven needle-punched geotextile made from polyester, providing separation, filtration, protection or reinforcement functions in engineering projects. It enhances the performance and design life of granular layers by providing the filtration and separation functions. mastaTEX® provides specific advice and recommendations in construction through specialist laboratories and technical support. mastaTEX® F Range is manufactured in accordance to ISO 9001:2008.