Marley Eternit’s Edgemere interlocking concrete tiles provide an affordable alternative to natural slate, the company says. It adds that the tiles are 40% thinner than standard concrete tiles, allowing housebuilders to achieve the “leading edge” in roof design without blowing the budget. Other added benefits include: <br> <br> Clean slate like appearance Quick and easy to install 9.7 per m2 at 75mm headlap 17.5° minimum pitch 25% less raw materials than a standard concrete tile Achieves an A+ rating in the BRE green guide Has a range of dry fix ventilation systems including bespoke dry verge system No special fittings required, such as a top tile <br>