Her problem was bigger than just tile grout. She wrote: “I would like to know how to properly clean, restore and maintain the terracotta floor in my kitchen (and) the slate floor in my entry hall.

Sandtoft’s Cassius large-format clay tiles have helped a major housebuilder to maintain the aesthetics of a pretty Welsh borders village. For the development of 25 houses in Llanymynech, Welsh slate ...

Related: Spain reveals plans for first public streetlight system powered by wind and sun The tiles can be used for an attractive roof covering, a beautiful slate floor, or even outdoor wall cladding.