Expamet Rail track a brick reinforcement Bekaert Murfor Murfor Comp Compact Stainless Steel E-70 x 30m Roll by Bekaert Murfor Compact E is made of class R1, EN 845-3 compliant austenitic stainless steel (Molybdene – chrome – nickel alloys). This type of reinforcement has been specifically designed for exterior masonry that is exposed to the elements Reinforcement Stainless Steel Bekaert Murfor Compact Stainless Steel E-70 x 30m Roll For all brickwork or blockwork Minimise cracks  due to expansion
eBay