EHSmith is an authorised distributor of Porotherm, the clay block walling system that offers a faster, safer & sustainable so ... lution to concrete blocks. Porotherm is revolutionising the UK’s construction industry through exceptionally fast, virtually dry construction combined with high strength and thermal efficiency. A natural progression from handmade bricks to engineered blocks; it is widely used and has been proven on numerous projects in Europe for over 30 years. It is ideal for use on projects from single to multiple-storeys with both domestic and commercial applications. read more