
Flat Roof & Slab Waterproofing – Roodepoort & West Rand
Long-Lasting Waterproofing for Slabs, Balconies & Concrete Roofs in Roodepoort, Krugersdorp & the West Rand – Engineered to Endure the Elements
If you have a flat concrete roof or slab that’s leaking, ponding, or holding water, it’s vital to act before the damage worsens. Moisture intrusion in slabs often leads to mold growth, damp ceilings, bubbling paint, and eventually, costly structural issues.
At Environmental Pro Construction, we deliver honest, engineer-approved waterproofing solutions tailored to South African conditions. We don’t cut corners. No pressure. Just clear guidance based on your roof’s unique structure and environment.
















⭐⭐⭐⭐⭐— Steven Nucleus - West Rand
I had my roof repaired by Environmental Pro Construction, and I honestly couldn’t be happier with their service. They were professional, arrived on time, and knew exactly what they were doing.
They inspected everything thoroughly, explained the issue clearly, and got the job done without delays.
Since the repair, we’ve had a few heavy rains and not a single leak. The workmanship speaks for itself.
If you’re in the West Rand and need proper roofing work done, these are the guys to call. Straightforward, skilled, and dependable.
What Homeowners in West Rand Say About Our Roofing Work
⭐⭐⭐⭐⭐ Ethel Kotze – Randburg
A big thank you to Frankie for the fantastic renovation work at our home. He really knows his craft and guided us perfectly, even as we made several changes from our original plan. His expertise and attention to detail made the whole project smooth, and we couldn’t be happier with the results. Highly recommend!
⭐⭐⭐⭐⭐ Santie Van Niekerk – Roodepoort
I would like to say thank you to Frankie and his team! As an elderly woman residing alone, I was distressed when my roof began leaking at quite a few places during the heavy rains. My daughter recommended EPC, and from my initial call, they were attentive and understanding. They scheduled an inspection, clearly explained the necessary repairs, and ensured I was comfortable throughout the process. Their professionalism and care have given me peace of mind, and I highly recommend EPC to others in need of roofing services.
Our reputation is built on trust, not tactics. Here’s what West Rand homeowners have to say after choosing Environmental Pro Construction for their leak repairs, roof replacements, and structural waterproofing. Their words reflect our workmanship, honesty, and personal care, qualities we bring to every job.






Waterproofing Issues We Fix on Flat Roofs, Slabs & Balconies – Roodepoort, Randburg & West Rand
Whether it’s water pooling on your rooftop, cracked membranes, or slow leaks appearing on ceilings below, slab-related moisture issues often hide until major damage sets in. We tackle the most common causes with expert detection and full system sealing to restore protection where it matters most.
• Water pooling on concrete roofs and slabs
• Leaking balconies or floor slabs on upper levels
• Cracked, torn, or lifted waterproofing membranes
• Blocked or insufficient drainage causing overflow
• Damp ceiling patches in rooms or garages below slab surfaces
• Structural weakness from prolonged moisture exposure




Our High-Performance Slab Waterproofing System
Each slab or flat roof presents its own challenge, that’s why we tailor every system to your specific surface conditions. From concrete prep to expansion joint sealing, our method is built to outperform ordinary waterproofing.
✅ Torch-on waterproofing for concrete roofs & balconies
✅ Sloped screed installation to prevent water pooling
✅ Parapet and wall flashing sealing
✅ Expansion joint waterproofing
✅ Engineering sign-off where required
🧰 Certified waterproofing systems available with 5–10 year warranties.
Typical Slab Waterproofing Pricing (Estimate)
Pricing depends on your slab's size, condition, and materials used. Here's a transparent guide to help you understand the cost breakdown before any work begins:
✅ 10m² torch-on system: from R3,200 – R4,500
✅ Full slab with screed & flashing: from R6,000 – R12,000
✅ Balcony & walkway sealing: from R2,800 upward
Note Below:
All pricing includes labour, membrane installation, and SABS-compliant waterproofing with moisture-resistant finishing. Final costs are confirmed after inspection.
Service Areas We Cover
Our slab and flat roof waterproofing teams service key areas in the West Rand, providing fast, localized support with experienced crews on standby.
Roodepoort: Florida, Weltevreden Park, Helderkruin, Roodekrans, Horizon, Honeydew
West Rand: Krugersdorp, Noordheuwel, Rant-en-Dal, Monument
Surrounding Areas: Randburg, Soweto fringe, and parts of Johannesburg North
If you’re unsure whether we cover your suburb, feel free to ask us directly.
Need Waterproofing for Your Slab or Flat Roof?
Let our expert team inspect the issue and provide a clear, obligation-free solution. From balconies to concrete slabs, we fix leaks at the root, no shortcuts, no pressure, just lasting protection.
📞 Call Now for a Free Estimate
We believe in getting it right, the first time.
1. Why are flat roofs and slabs so prone to leaks?
Unlike pitched roofs, flat concrete slabs and low-slope roofs don’t drain water quickly. This leads to standing water, hairline cracks, and waterproofing breakdown, especially after heavy summer storms or temperature shifts. Without proper membranes and drainage, leaks are inevitable.
2. What is the best waterproofing method for a concrete slab?
We recommend a torch-on bitumen membrane or liquid-applied rubberized system, depending on slope, exposure, and substrate condition. Each slab is unique, so we assess for UV, temperature expansion, and historical damage before recommending the right solution.
3. How long does flat roof waterproofing last?
Our systems last between 5 and 20 years, depending on the material and maintenance.
Torch-on membrane: 10–20 years
Liquid polyurethane: 5–10 years
Cementitious slurry (for balconies or screed): 5–8 years
All systems come with a workmanship and material warranty, backed by engineering when required.
4. How much does flat roof waterproofing cost in Roodepoort or Randburg?
Pricing varies, but expect:
From R2,800 to R5,000 per 10m² for torch-on or liquid systems
Complex slab repairs or re-pitching: case-by-case
All quotes include surface prep, priming, material, and labour. No hidden fees, ever.
5. Do you provide waterproofing certificates or compliance documents?
Yes, all major flat roof or slab waterproofing jobs are backed by an engineer-issued report or compliance sign-off, if requested. Ideal for insurance, resale, or municipal compliance.
6. How do I know if my waterproofing has failed?
Signs of failure include:
Visible bubbling or blistering of the surface
Ceiling stains and moisture seepage
Soft or crumbling spots on the slab
Hairline cracks or lifting membrane edges
💡 We offer free slab inspections to detect early signs before damage worsens.
7. Do you waterproof under floor screeds or tiles?
Yes. We offer pre-tile waterproofing for balconies, terraces, and concrete decks, ensuring long-term protection even beneath tiled or screeded finishes.
8. How soon can work begin after I accept a waterproofing quote?
Typically within 2 to 3 working days, weather permitting. In emergencies, we offer same-day sealing or temporary waterproofing to prevent damage before full application.
🤔 Frequently Asked Questions – Slab & Flat Roof Waterproofing in Roodepoort, West Rand & Randburg
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📍 Service Areas: 📍 Service Areas: West Rand, Roodepoort, Randburg & Krugersdorp
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Operating Hours:
Monday - Friday: 7:00am - 18:00pm
Saturday: 8:00am - 15:30pm
Sunday: Closed
📌 Elderly Assistance: Priority roofing & construction services available 7:00 AM – 9:00 PM (Weekdays), 8:00 AM – 5:00 PM (Weekends)