Johannesburg Roof Waterproofing Done Right
We Fix Roof Leaks Fast
Guaranteed Protection That Stays Sealed, Rain or Shine
Zero Disruption. Fast, Professional Waterproofing
Roof Types We Waterproof
Every roof has weak spots. We know them — and we fix them fast.
Fix ponding water and peeling membranes
Stop leaks from broken tiles and weak points
Seal rust, loose screws, and open overlaps
Roof Waterproofing services
Our results speak for themselves
How we work
1.
Inspect & Assess
2.
Plan & Protect
3.
Deliver & Guarantee
What our clients are saying
"We have had serious issues with water damage that was driving us insane. Malvern’s team waterproofed our bathroom and fixed what another contractors managed to damage."
"Malvern is a true professional, understands the magnitude and scale of a project and is fair and reasonable with his pricing and timeous delivery."
"Excellent service from Mr Malvern and team .. From effective communication regarding the project we worked with together to completing the project in time with good quality and within budget . I would highly recommend"
"Fantastic service from Malvern and his crew! They sealed the balcony of our apartment, which had been leaking into the lounge below. They were neat. I appreciated how they kept us updated throughout the project. Definitely a company that knows what they're doing."
"Itacorp have provided excellent services and quality workmanship throughout the years. Any comeback is dealt with immediately/timeously.
Itacorp takes pride in their workmanship. Recommended."
"Itacorp has helped me a lot with dampness walls, slabs water proofing, as well as storm water drain system that has given me years of problem. knowledge and service is out of this world, thank you Malven Makura.😀"
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What Professional Roof Waterproofing Really Involves in Johannesburg Homes
Roof waterproofing in Johannesburg is not just about sealing visible leaks. It involves understanding how local weather patterns, building methods, and roof designs interact over time. Many roofs leak not because the surface failed, but because water was never directed correctly in the first place. Poor slopes, blocked drainage paths, cracked joints, aging membranes, and thermal movement all play a role.
Proper roof waterproofing starts with identifying how water moves across your specific roof. Flat roofs often suffer from ponding water. Tiled roofs fail at cement joints and underlayments. Metal roofs expand and contract, opening seams and fasteners. Each system requires a different approach, materials, and installation method. Treating them the same is why many repairs fail within a season or two.
Why Our Waterproofing Approach Works Long Term
Our approach is based on correcting the cause of water ingress, not just covering the symptom. Before any waterproofing is applied, we assess slope, drainage, joints, penetrations, and substrate condition. If water is not draining properly, sealing alone will never last.
We use proven waterproofing systems designed for South African conditions, not temporary fixes like silicone or surface patches that degrade quickly under UV exposure. Membranes are reinforced at stress points, joints are treated as movement zones, and finishes are selected based on roof type and exposure. This is why our waterproofing holds up season after season, even during heavy summer rainfall.
Who This Roof Waterproofing Service Is For
This service is ideal for:
Homeowners with recurring roof leaks that previous contractors could not permanently fix
Townhouses and complexes with flat roof slabs or balconies leaking into living spaces
Property investors protecting long term asset value
Commercial buildings with metal or flat roofs experiencing water ingress
Older homes with aging waterproofing systems reaching the end of their lifespan
If your roof has been repaired multiple times but still leaks, or if water damage is starting to show inside the home, this service is designed for you.
Problems Our Roof Waterproofing Solves
Roof waterproofing addresses more than just dripping ceilings. It prevents:
Structural damage caused by ongoing moisture exposure
Ceiling collapse and interior paint failure
Mould growth and unhealthy indoor air quality
Electrical risks from water intrusion
Costly long term repairs to slabs, beams, and walls
Stopping water early protects both the structure of your home and the comfort of everyone living in it.
Real Benefits and Outcomes You Can Expect
Clients typically experience immediate peace of mind once waterproofing is completed. No more checking ceilings during storms. No more buckets or emergency call outs. Over time, the benefits extend further:
Longer roof lifespan
Reduced maintenance costs
Improved property value
Protection against seasonal heavy rainfall
A home that stays dry, healthy, and structurally sound
Our track record across Johannesburg homes shows that when waterproofing is done correctly the first time, comebacks are rare.
How the Roof Waterproofing Process Works
Every project follows a clear and structured process:
Inspection and diagnosis to identify root causes
Preparation of surfaces including cleaning, repairs, and slope correction where required
Application of the correct waterproofing system for the roof type
Reinforcement of joints, edges, outlets, and penetrations
Final inspection and quality control before handover
We keep communication clear throughout and ensure the site is left clean and tidy once work is complete.
Common Roof Waterproofing Questions Homeowners Ask
How long does roof waterproofing last
When installed correctly with the right materials, professional waterproofing can last many years. Longevity depends on roof type, exposure, and maintenance.
Can waterproofing be done during rainy season
Work is scheduled around weather conditions. Waterproofing is only applied under suitable conditions to ensure proper curing and adhesion.
Is waterproofing better than replacing the roof
In many cases, waterproofing restores performance without the cost of full roof replacement. An inspection will determine the best option.
How do I know if my roof needs waterproofing
Signs include damp ceilings, bubbling paint, cracks on flat roofs, rust on metal roofs, or repeated leaks after previous repairs.
If you are dealing with leaks, dampness, or an aging roof, speak to a team that specialises in roof waterproofing done properly. Contact us today to request an inspection or a detailed quote and get lasting protection for your home.
Service Areas
We provide professional flat roof waterproofing across Johannesburg, including:
Sandton, Midrand, Bryanston, Fourways, Bedfordview, Rosebank, Melrose, Hyde Park, Randburg, and surrounding suburbs.