MORTARSET 90 25KG - MORSET90 Mortar Set 90 is a structural strength, fast setting bedding and general repair mortar which is trafficable after only 90 minutes. Technically balanced and shrinkage compensated, just add measured amount of water for the perfect mix every time. Achieves high early strength and is ideal for bedding street ironwork, stonework, steps, kerbs and patching concrete pavements and floors.