Specialist waterproofing for Sri Lanka's Southern and Western coastal corridor. Roof, basement, bathroom & structural waterproofing — engineered for salt air, high humidity and heavy monsoon rainfall.
Select your city to see location-specific services and what makes each area unique.
Galle's coastal climate — salt-laden air, year-round humidity and heavy South-West monsoon — demands high-performance waterproofing for every building type. From colonial-era structures in Galle Fort to modern residences and hotels, we have the specialist systems and certified teams for Southern Province waterproofing.
Seamless membrane systems for flat roofs, terraces and sun decks in Galle — essential in a climate with one of Sri Lanka's highest monsoon rainfall totals.
Learn More →Positive and negative waterproofing for basements and below-grade structures in Galle's coastal water table. Salt-resistant membrane systems for marine environments.
Learn More →Under-tile wet-area waterproofing for bathrooms and showers — stops hidden leaks that cause tile debonding and structural damage over time.
Learn More →Certified flexible waterproofing for pools in Galle's salt-air climate. Handles hydrostatic pressure, chemical exposure and UV radiation.
Learn More →Polyurethane and epoxy crack injection for heritage structures, retaining walls and modern buildings. Stops active water ingress fast.
Learn More →Certified potable water-safe tank lining — prevents algae, mineral leaching and contamination in overhead and underground water storage in Galle.
Learn More →Our registered base is in Kalutara South — making us the nearest certified waterproofing applicator for the entire Kalutara district. From Panadura to Aluthgama, we serve the full Kalutara coastal belt with the fastest response times, same-day or next-day inspection availability for urgent leaks.
Fast-response roof waterproofing for Kalutara homes and businesses. Our Kalutara base means shorter travel time, faster mobilisation and quicker completion.
Learn More →Kalutara's riverside and coastal soil conditions create high groundwater levels. Specialist basement and retaining wall waterproofing essential for below-grade structures.
Learn More →Rapid-response bathroom wet-area waterproofing for Kalutara properties. Stop tile leaks, bathroom seepage and wall damage at the source.
Learn More →Flexible cementitious waterproofing for pools and water features in Kalutara residences and resorts — complete with written warranty.
Learn More →Structural crack repair and water-stopping for Kalutara buildings. Polyurethane foam injection for active leaks; epoxy injection for structural cracks.
Learn More →Internal tank lining with certified potable water-safe systems — keeps water clean and tanks structurally sound in Kalutara's coastal climate.
Learn More →Negombo's lagoon location, coastal salt exposure and high tourism-sector construction activity create strong demand for quality waterproofing. Hotels, guesthouses, residences and commercial properties all need specialist waterproofing that can handle the North Western Province's tropical climate and high water table.
Durable roof membrane systems for Negombo hotels, guesthouses and residences. UV-resistant, salt-tolerant and backed by a 10-year warranty.
Learn More →Negombo's lagoon proximity raises the water table — basement waterproofing is critical for any below-grade structure. Specialist tanking and membrane systems.
Learn More →High-turnover bathroom waterproofing for Negombo's hotel and hospitality sector. Fast, professional application with minimum disruption to operations.
Learn More →Pool waterproofing for Negombo's hotels and private residences — certified flexible slurry systems that handle tropical heat, chemical treatment and continuous water pressure.
Learn More →Salt-corrosion accelerates concrete cracking in Negombo. Polyurethane and epoxy crack injection stops water ingress and restores structural integrity.
Learn More →Safe, certified water tank lining for Negombo properties. Prevents algae and chemical leaching — essential where salt air accelerates tank degradation.
Learn More →Our registered office is in Kalutara South — the geographic heart of this coastal corridor. Faster response times, same-day emergency assessments and lower mobilisation costs for Galle, Kalutara and Negombo.
Salt air corrosion, tidal groundwater movement and heavy monsoon exposure require waterproofing systems with proven chemical and UV resistance. We specify and apply the right system for each coastal environment.
Official certified applicators for Supercrete New Zealand products — the internationally recognised standard for waterproofing in Sri Lanka. Your warranty is backed by certified application.
Every job starts with a free on-site inspection. You receive a detailed written quote before we begin — no surprises, no hidden costs, no pressure to proceed.
Every waterproofing project — whether in Galle, Kalutara or Negombo — comes with a written 10-year warranty. Your investment is fully protected.
Our technician visits your property, assesses the damage and identifies the root cause of water ingress — at no cost or obligation.
Detailed written quotation with scope, materials and timeline. No hidden costs, no pressure — just a clear, honest plan.
Certified applicators using Supercrete NZ materials to international standards. Every step documented for your warranty record.
Written warranty issued on completion. Any defects within the warranty period are resolved at no extra cost — your peace of mind, guaranteed.
Free inspection · Written quote · 10-year warranty — serving Galle, Kalutara and Negombo.