This is a flat roof system called Res-tec, Flexi-tec 2020. This is a really good product on the market in which all our staff are approved installers. Its a cold applied liquid system on which you comes with a 20-year guarantee. It can be used as an overlay system as well as going down on new roofs, still providing the same 20-year guarantee.
Site Adress: Hampstead, London
Duration on site: 8 days