Dr. Fixit Prebond (E/S/W) — Pre-Applied HDPE Waterproofing Membrane for Foundations & Basements

Dr. Fixit Prebond (E/S/W) is a pre-applied, high-density polyethylene (HDPE) waterproofing membrane from Dr. Fixit Waterproofing Solutions — designed for a fundamentally different approach to basement waterproofing and foundation protection. Unlike post-applied waterproofing chemicals, Prebond is laid down before concrete is poured, forming a permanent, continuous chemical and mechanical bond directly with the wet concrete to completely block water at the structural level.

That bond is what makes it stand apart from every conventional waterproofing solution in this category. Because the membrane fuses chemically with the concrete itself, water cannot travel laterally between the membrane and the slab — even if a puncture occurs, leakage is isolated to the exact spot, not spread across the surface. For waterproofing contractors handling deep basements, tunnels, and below-grade structures, that level of control is difficult to achieve with any surface-applied system.

The numbers speak clearly. Prebond withstands over 70 metres of hydrostatic head pressure — making it one of the most capable construction chemical solutions available for high water table environments and heavy groundwater exposure. It stretches over 500% to safely bridge future structural shifts and concrete cracks, and its tough HDPE construction allows steel reinforcement to be laid directly on top — eliminating the need for a protective concrete screed and saving both time and cost on site.

Chemical protection is equally strong — Prebond fully shields foundations from aggressive soil chemicals, sulfates, chlorides, and groundwater exposure that gradually degrade standard waterproofing systems over time. Available in E, S, and W variants to suit different site and exposure requirements, Dr. Fixit Prebond is the waterproofing solution built for structures where failure is simply not an option.