ROOF · BALCONY · BATHROOM · WALL

Waterproofing Services Near Me

Stop water at the source with professional waterproofing built for Gauteng conditions. Dekagon Projects investigates leaks, prepares the substrate and installs the correct system for roofs, balconies, showers, walls, foundations and commercial properties.

Waterproofing That Solves the Cause—not Only the Stain

A damp patch is often only the visible symptom. Water may enter through cracked roof coatings, failed flashing, porous walls, loose tiles, damaged grout, poorly sealed joints or incorrect drainage falls before travelling to another point.

Our waterproofing service starts with the affected area and the likely water path. We assess the surface, identify weak points and recommend a repair or complete waterproofing system suited to the structure. This avoids repeatedly painting over stains while moisture continues to cause damage.

Complete Waterproofing Services

Targeted repairs and new waterproofing systems for the most common areas of water ingress.

Roof Waterproofing

Waterproofing for flat roofs, concrete slabs, parapet walls, roof joints, flashings, valleys and penetrations. We repair failed areas and apply compatible protective systems.

Balcony & Terrace Waterproofing

Solutions for leaking balconies, terraces and tiled decks, including junctions, outlets, perimeter details and surfaces affected by standing water.

Bathroom & Shower Waterproofing

Waterproofing beneath tiles and around wet-area junctions for showers, bathroom floors, bath surrounds and wet rooms—during renovation or as part of leak repairs.

Exterior Wall Waterproofing

Treatment of porous walls, cracks, junctions and weather-facing elevations where wind-driven rain contributes to interior dampness.

Foundation & Retaining Walls

Moisture-control solutions for selected foundations, below-grade areas and retaining walls, subject to access and a proper site assessment.

Commercial Waterproofing

Planned waterproofing and leak repairs for offices, retail properties, complexes, restaurants, schools and managed buildings.

Signs You May Need Waterproofing Repairs

Our Waterproofing Process

01

Inspect & Diagnose

We inspect visible damage, likely entry points, adjoining details and drainage conditions.

02

Prepare the Surface

Loose material is removed and the surface is cleaned, repaired and prepared for adhesion.

03

Detail & Waterproof

Cracks, corners, joints, outlets and penetrations are detailed before the specified system is applied.

04

Finish & Check

We complete the protective finish, check critical details and provide practical aftercare guidance.

Do not wait for the next storm to reveal more damage.

Send us photos of the affected area and your location, or arrange a site assessment.

Waterproofing Systems & Materials

No single product is correct for every leak. The appropriate system depends on the substrate, movement, exposure, drainage, existing layers and whether the area will be tiled, painted, trafficked or exposed to sunlight.

Depending on the assessment and manufacturer requirements, the work may use reinforced liquid-applied systems, cementitious waterproofing, under-tile membranes, flexible joint sealants, protective coatings or compatible repair compounds. Correct preparation and detailing are as important as the product itself.

Waterproofing for Homes, Complexes & Businesses

Houses, townhouses and apartments
Luxury homes and residential estates
Body corporates and managed complexes
Offices, shops and retail properties
Restaurants, guest houses and schools
Rental and investment properties

Waterproofing Across Johannesburg North

Looking for waterproofing services near you? Dekagon Projects assists property owners in Randburg, Ferndale, Sandton, Fourways, Bryanston, Northcliff, Linden, Houghton Estate, Westcliff, Illovo, Sandhurst, Parktown and surrounding Johannesburg North suburbs.

Service availability and quotation requirements depend on the location, access and scope of work. Contact us with your suburb and a short description of the problem.

Talk to Dekagon Projects

Phone: 076 806 7021
Email: info@dekagonprojects.co.za
Address: Cnr Hill St and Pretoria Ave, Ferndale, Randburg, 2194

Waterproofing FAQs

How do I know where the water is entering?

The visible stain is not always directly below the entry point. An inspection considers cracks, joints, flashings, outlets, penetrations, drainage and adjoining surfaces to identify the most likely route.

Can you waterproof over existing tiles?

Sometimes a surface treatment or targeted repair is possible, but failed waterproofing beneath tiles may require removal to access and rebuild the affected layers. The correct approach depends on the cause and condition.

Do you waterproof flat roofs and concrete slabs?

Yes. We assess flat roofs and slabs, including cracks, parapets, outlets, flashings, penetrations and areas where water ponds. The specified repair depends on the existing roof system and substrate.

Can you repair waterproofing before repainting?

Yes. The water-entry problem should be addressed and the area allowed to dry before damaged finishes are repaired and repainted. Painting alone will not stop an active leak.

How long does waterproofing take?

Small localised repairs may be completed quickly, while larger roofs, balconies and wet areas require more preparation, drying and curing time. Weather and access also affect the programme.

Do you provide waterproofing near me?

Dekagon Projects serves Randburg, Sandton, Fourways, Bryanston, Northcliff, Linden and surrounding Johannesburg North areas. Send your suburb and project details to confirm availability.

What information should I send for a quote?

Send your name, suburb, photos or a short video, when the leak occurs, the approximate affected area and any previous repair history. A site inspection may still be necessary.

Protect Your Property Before Water Damage Spreads

Professional waterproofing and leak repairs by Dekagon Projects.