Shop our range at Selhurst Timber of construction additives designed to improve the performance and workability of mortar, concrete and other building materials. Additives such as plasticisers, bonding agents and water reducing admixtures are commonly used by builders and contractors to enhance strength, flexibility and ease of application when mixing mortar or concrete on site. These products help improve durability, reduce cracking and increase overall performance in construction applications including bricklaying, plastering and general masonry work. Suitable for professional construction projects and renovation work, additives provide reliable solutions for improving building material performance. Do you work on many construction projects? Sign up for a trade cash or credit account today for access to trade prices.