Negative Waterproofing | Internal Waterproofing for Below-Grade Structures

Negative waterproofing is essential for blocking water ingress from inside structures like basements, tunnels, and lift pits. We specialise in negative-side waterproofing systems that are applied to the interior face of walls or slabs where external access is limited. Ideal for remedial works, our solutions stop rising damp, water seepage, and pressure leaks from affecting internal spaces. We use industry-approved materials like crystalline coatings and cementitious slurries for durable, long-term results. Whether it’s a residential basement or commercial foundation, trust our experienced team for effective Negative Waterproofing that protects from within. Request a site inspection and customised solution today.