Upgrade your mortar and concrete mixes with Bond It Power Proof, a concentrated waterproofing solution and render mix additive. This 1L bottle treats up to 50kg of cement, making it a powerful and economical choice. Stop water damage with Bond It Power Proof, a concentrated waterproofing solution and render mix additive in one! This 1L bottle treats up to 50kg of cement, making it easy to use and highly cost-effective. Power Proof improves workability for a smoother application and reduces water penetration in mortars, renders, and concrete. It's perfect for internal and external projects, including pools, basements, roofs, and anywhere needing superior waterproofing protection.