Blockley Brick 65mm Ipswich Mixture Pack of 400215mm x 102. 5 x 65mm clay facing brick available from Blockleys and used in a wide variety of building typologies including schools, hospitals, offices and housing in both the public and private sectors, across the UK. This wirecut brown, aesthetically appealing, extruded wirecut brick offers exceptional technical specifications of T2, R2, F2, S2 and 50N mm2 compressive strength alongside total durability, frost resistance and nil efflorescence.