Below ground tanking is predominately completed using sheet membranes, on surfaces that would be covered with concrete, back-filling, screed / tiles or other. Therefore, engaging with an approved applicator of your specified systems is key. Gunac | Waterproofing Specialists have completed many below ground tanking projects using products such as Sikaproof and Bentonite. Our team have the experience needed to offer befit solutions for your commercial or residential new build.

Below ground tanking is predominantly used in areas such as retaining walls, tunnels, basements, and foundations. The approach is similar to that of sheet membranes.