The Keystone Group has won two awards at the recent Housebuilder Product Awards.The Hi-therm+ Lintel won Best Building Fabric product and the Smartroof Room in Roof panel system won Best Health and Safety product. As winners of a Housebuilder Product Award, Hi-therm + Lintels and Smartroof automatically become a finalist in the Product of the Year category at the Housebuilder Awards 2018, competing for the top prize with the other category winners, we wish both companies the best of luck.