Stormwater Systems That Protect Your Property
What We Fix with Stormwater & Drainage Systems
Flooded yards and driveways
Wall damp and exterior staining
Foundation weakness from poor runoff
Immediate Water Flow Control
Long-Term Drainage Systems
How we work
1.
Quote
2.
Fix
3.
Guarantee
Methods We Use for Stormwater & Drainage Systems
Stormwater & Drainage Systems designed for Johannesburg downpours and clay rich soils
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 Stormwater Management Matters in Johannesburg
Stormwater is one of the most underestimated risks for homes and commercial properties. Johannesburg’s intense summer storms create sudden water surges that overwhelm weak or outdated drainage. When water has nowhere to go, it pools around buildings, seeps into walls, or pushes into foundations.
A well designed drainage system prevents all of this by controlling how water moves across your property, redirecting it safely before it becomes a problem.
What Stormwater and Drainage Solutions Really Involve
Effective drainage requires more than digging a trench or installing a pipe. It combines engineering, water flow planning, and structural protection.
Our systems typically include:
• Mapping water movement across roofs, driveways, and garden levels
• Determining slopes and natural fall points
• Designing channels and subsurface drains
• Installing outlets that move water far from the structure
• Reinforcing walls, floors, and foundations where needed
This ensures your property drains correctly even during the heaviest storms.
Why Our Approach Works Long Term
Many drainage failures come from shortcuts such as incorrect slopes, cheap piping, poor join sealing, or shallow trenches. We eliminate these risks by focusing on:
• Proper depth and gradient for reliable water flow
• Reinforced joints that prevent leaks and collapse
• Durable, wide channels for large water volumes
• Systems tailored to each property’s layout
• Materials that handle Johannesburg’s clay soils and heavy rainfall
The result is a drainage system built for everyday reliability, not just emergency use.
For severe damp caused by poor drainage, our stormwater drainage systems service provides complete property wide protection.
Who Benefits Most from a Professional Drainage System
Our stormwater and drainage installations are ideal for:
• Residential homes with sloped or flat yards
• Properties affected by recurring flooding
• Driveways that pool water during storms
• Commercial buildings with high foot traffic
• Complexes and estates with shared runoff
• Older structures with weakened foundations
Any property that experiences standing water, damp walls, or soil erosion will benefit from a proper system.
Hidden Problems Caused by Poor Drainage
When water is not controlled, it leads to a range of issues that worsen over time:
• Persistent damp in exterior and interior walls
• Mould growth inside the home
• Cracking or weakening of foundations
• Damage to driveways and paving
• Erosion around structural points
• Repeated pooling that attracts pests
Most of these problems appear slowly, which is why homeowners often overlook drainage as the root cause.
If your walls are already affected by moisture, our interior damp proofing solutions can restore damaged areas.
What You Gain from a Proper Stormwater Solution
Once your system is installed, you can expect:
• No more flooding or standing water
• Dry walls and protected interiors
• Stronger foundations and reduced structural stress
• Longer lasting paving, driveways, and landscaping
• Lower long term repair costs
• Peace of mind during summer storms
Many clients report that long term damp issues disappear after upgrading their drainage.
How Our Stormwater and Drainage Installations Work
We follow a structured, engineered process to ensure lasting results:
Assess the property and identify water flow problems
Map surface and subsurface gradients
Design an efficient stormwater layout
Install channels, French drains, pipes, and outlets
Reinforce vulnerable areas
Test the system during water flow
Each step ensures your property drains smoothly and safely.
For properties where drainage issues affect roofs or parapets, our roof waterproofing services help prevent additional water ingress.
Common Questions About Stormwater and Drainage
Do French drains really work?
Yes. When installed at the correct depth with proper gravel and geotextile, they remain effective for years.
How deep should a drainage trench be?
It depends on soil type and slope. We calculate depth based on water volume and flow requirements.
Can you fix flooding in a driveway?
Yes. Most driveway flooding is caused by incorrect slope or insufficient outlets. Both can be corrected.
Do you repair existing drainage systems?
We repair, upgrade, or completely redesign systems depending on the extent of the problem.
Ready to Protect Your Property from Stormwater?
If your home or business is dealing with pooling water, flooding, or damp walls, a proper drainage system will solve the problem permanently. Contact us to assess your property and design a solution built for Johannesburg’s storms.
Service Areas
We provide professional flat roof waterproofing across Johannesburg, including:
Sandton, Midrand, Bryanston, Fourways, Bedfordview, Rosebank, Melrose, Hyde Park, Randburg, and surrounding suburbs.