Metal Roof Waterproofing That Lasts Through Storms
Common Weak Spots
Loose or Rusted Screws
Open Seams & Overlaps
Surface Rust & Corrosion
Leak-Stopping Sealing
Durable Metal Protection
Types of Metal Roofs We Work On
Johannesburg’s climate puts sheet roofs under stress – we waterproof against it all.
Our Waterproofing Methods for Metal Roofs
Our results speak for themselves
How we work
1.
Quote
2.
Fix
3.
Guarantee
What our clients are saying
"I want to publicly thank the team at ITA CORP for the extremely professional and reliable work they did recently on our patio roof. We've struggled with leaks for years, and now, with ITA CORP on the job, I feel comfortable since Malvern is conscientious, eager to help, knowledgeable, and his communication and follow-up is amazing."
"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.😀"
"I want to extend a big thank you to ITA CORP for the outstanding work they did on my house. From start to finish, their professionalism, attention to detail, and quality of workmanship were exceptional. It’s rare to find a team that delivers exactly what they promise—and they certainly did. Highly recommended for anyone looking for reliable, top-notch service!"
"I have had the pleasure of several dealings with Melvern and his professional team where the work done has always been above & beyond expectations and have no hesitation in referring his company."
"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."
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Tiled Roofs Waterproofing
Why Tiled Roofs Need More Than Quick Fixes
Tiled roofs are built to last, but their weak points are not always obvious. Over time, small cracks in ridge mortar, lifted valleys, and worn flashings can allow water to seep in long before leaks appear inside. Johannesburg’s weather makes that process faster, and you can learn more about this on our roof waterproofing page. Intense heat causes tiles to expand and shift, while heavy downpours force water through the smallest gaps. That is why tiled roof waterproofing requires experience, precision, and an understanding of how the entire roof system behaves under stress.
We do not rely on temporary sealants or paint on fixes. Instead, we rebuild the integrity of the roof’s structure, layer by layer, reinforcing the areas that take the most impact from heat and rain. When we leave a tiled roof, it is not just sealed, it is stable, strengthened, and designed to handle years of expansion and contraction without failing.
The Craft Behind a Leak Free Tiled Roof
Waterproofing a tiled roof is not just about keeping water out. It is about preserving how the roof breathes, drains, and balances temperature. We treat each ridge and valley as part of a larger system, one that needs to channel water away quickly while maintaining ventilation beneath the tiles.
Our coatings and sealants are flexible enough to move with the roof, yet strong enough to prevent separation during high heat. Valleys are reinforced with fibre compounds that flex rather than crack, similar to the techniques used in our tile resealing and ridge repair service. Ridges are sealed to handle both thermal movement and driving rain. It is a balance between science and craft, and it is the reason our waterproofing systems stay intact through years of harsh weather.
Who Relies on Our Expertise
We work with homeowners, sectional title bodies, and property managers who want their tiled roofs handled by specialists who understand the difference between cosmetic and structural repairs. Our clients range from private homes and guesthouses to schools and office buildings across Johannesburg, all looking for lasting waterproofing that does not require yearly touch ups.
These clients value clear communication, clean workmanship, and results that hold up through every storm. Many come to us after multiple failed repairs, frustrated by recurring leaks that keep returning. We help them finally put those problems to rest.
The Problems You Do Not See, But We Do
Most tiled roof leaks start small and hidden:
Water creeping under ridge mortar where it is slightly lifted
Rust developing beneath old flashings
Moss or dust clogging valleys and redirecting runoff into ceilings
Sealants that harden and crack under UV exposure
Because these issues often appear years before visible leaks, we focus on early detection and prevention. By catching these signs early, we save property owners from expensive internal repairs later.
The Lasting Impact of Proper Tiled Roof Waterproofing
When done correctly, tiled roof waterproofing delivers benefits that go beyond keeping water out. The reflective coatings we use help regulate temperature, reducing stress on the tiles and even lowering indoor heat buildup. Properly sealed ridges and valleys extend the life of both the roof structure and the interior finishes below. And most importantly, once the system is correctly installed, maintenance becomes minimal, just occasional inspections instead of constant patching.
Clients often tell us their biggest relief is not just a dry ceiling, but peace of mind knowing they do not have to worry about every heavy rain. That is the real value of doing it right the first time.
Expert Tips to Keep Your Tiled Roof Performing
Check ridge lines annually for small cracks or missing mortar.
Keep valleys clear of leaves, moss, and debris to prevent overflow.
Inspect flashings around chimneys and parapets for signs of rust or lifting.
Recoat waterproofing every eight to ten years for consistent UV and water resistance. You can read more about long term care on our roof maintenance plans page.
A short inspection before each rainy season can prevent major water damage, and it is far more affordable than repairing ceilings or repainting after a leak.
Frequently Asked Questions
How do I know if my tiled roof needs waterproofing or just repairs?
If leaks reappear after multiple fixes or you notice cracked mortar or rusted flashings, full waterproofing is likely needed. We assess each roof first to confirm the best approach.
Can you match my existing roof colour after waterproofing?
Yes. Our coatings can be tinted to blend with your tile colour or left neutral for a clean finish.
What is the best time of year for tiled roof waterproofing?
Autumn and early spring are ideal, but we work year round, adjusting materials and scheduling around weather conditions.
Do you handle high or steep tiled roofs?
Yes, our team is trained and equipped for all roof gradients and heights, ensuring safe, compliant, and complete coverage.
If your tiled roof has started showing cracks, leaks, or signs of wear, it is time for a proper solution, not another patch. Contact us today to book an expert assessment and protect your roof for years to come.
Service Areas
We provide professional flat roof waterproofing across Johannesburg, including:
Sandton, Midrand, Bryanston, Fourways, Bedfordview, Rosebank, Melrose, Hyde Park, Randburg, and surrounding suburbs.