With 30 years of experience, Blue Mountains Waterproofing is a local, owner‑operated business focused on internal residential waterproofing done properly. We work with homeowners, builders and renovators across the Blue Mountains, Lithgow and Penrith.

Our approach is straightforward: turn up when we say we will, prepare each area carefully, and install waterproofing systems that are ready for tiling and built to last. Most of our work comes from repeat clients and word‑of‑mouth, which keeps us focused on doing the job right the first time.