Keep Your Property Dry with Expert Damp Solutions
What We Fix with Damp Proofing
Rising Damp
Penetrating Damp
Condensation & Mould
Fast Damp Control
Long-Term Protection
Damp Proofing Services
How we work
1.
Quote
2.
Fix
3.
Guarantee
Methods We Use for Damp Proofing
Why Johannesburg Homes Get Damp
Our results speak for themselves
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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Why Damp Proofing in Johannesburg Needs More Than a Quick Fix
Damp is not just a surface issue, it is a structural warning sign. Johannesburg’s combination of clay heavy soil and summer rainfall means moisture naturally rises through foundations and seeps into walls. Left untreated, it causes bubbling paint, mould, and eventually weakens plaster and brickwork. Many homeowners try to repaint or seal damp patches, but unless the moisture source is stopped, the problem always returns.
At Itacorp, we treat damp from the inside out. Our damp proofing systems are designed to block rising moisture, seal external water entry, and create a long lasting barrier that lets your walls breathe naturally while keeping them completely dry.
For homes with damp issues linked to roof leaks or parapet failures, you can also explore our roof waterproofing services for a complete moisture protection plan.
Why Our Damp Proofing Method Works
Most damp treatments fail because they only focus on appearance. We focus on performance. Our technicians identify exactly how moisture is entering, whether through capillary rise, lateral seepage, or condensation, and apply the right combination of chemical DPC injection, barrier coatings, and surface restoration.
Our products penetrate deep into the wall to form a permanent moisture barrier, while breathable top coatings ensure trapped humidity can escape without causing damage. This layered system keeps your property dry in every season, even during Johannesburg’s most humid months.
If the damp originates from below ground areas such as basements or cellars, our basement waterproofing service may also be required.
Who Benefits from Professional Damp Proofing
Our solutions are ideal for:
Homeowners with visible damp stains or mould on interior walls.
Property managers maintaining older or multi unit buildings.
Developers and contractors working on renovations or below ground spaces.
Commercial properties needing reliable protection for painted or plastered walls.
Whether you are dealing with rising damp, penetrating damp, or persistent mould, we provide targeted solutions that stop the problem at its source, not just cover it up.
The Problems We Solve
Rising damp from ground level moisture wicking up walls.
Penetrating damp through unsealed exterior walls or joints.
Condensation and mould from trapped indoor humidity.
Blistered paint and salt deposits on interior surfaces.
Structural decay in plaster and brick caused by long term moisture.
Each problem requires a different treatment, and our expertise lies in diagnosing and combining those treatments for complete protection.
The Long Term Benefits of Our Damp Proofing System
Once treated, your property will stay cleaner, healthier, and more structurally sound. Benefits include:
Dry, mould free walls with no paint bubbling or odour.
Improved air quality and reduced health risks from mould spores.
Lower maintenance costs and longer lasting finishes.
Stronger, more stable structures protected from moisture damage.
Peace of mind backed by guaranteed results.
If the damp is also affecting exterior walls or boundary walls, our exterior wall waterproofing can protect those surfaces as well.
How We Treat Damp the Right Way
Inspection and Diagnosis – Identify the source and type of damp using moisture readings.
Surface and Structural Preparation – Remove damaged plaster or coatings to expose the problem areas.
Moisture Control Treatment – Inject chemical DPC or apply liquid barriers depending on the damp source.
Restoration and Coating – Re plaster, seal, and finish with breathable damp proof coatings.
Testing and Guarantee – Confirm full moisture resistance before handover.
Our process not only stops existing damp but prevents new moisture from forming, ensuring long term protection.
Frequently Asked Questions
How long does damp proofing last?
With proper application, our systems last 20 plus years, protecting your home for decades.
Can damp proofing be done on painted walls?
Yes. We remove affected paint layers, treat the surface, and reapply damp proof coatings for a clean, lasting finish.
Does damp proofing stop mould completely?
Yes. By removing the moisture source, mould cannot regrow. We also treat existing mould before applying barriers.
Is it suitable for old or heritage buildings?
Absolutely. We use non invasive methods suitable for older structures and sensitive finishes.
Do you provide a guarantee?
Yes, all damp proofing services include a workmanship and product guarantee.
If your walls feel damp or show signs of bubbling paint and mould, it is time to stop the damage early. Contact us today for expert damp proofing in Johannesburg, long term protection built for local homes and proven to last.
Service Areas
We provide professional flat roof waterproofing across Johannesburg, including:
Sandton, Midrand, Bryanston, Fourways, Bedfordview, Rosebank, Melrose, Hyde Park, Randburg, and surrounding suburbs.