Waterproofing Systems
Water can cause serious damage if left untreated. FG Group provides professional waterproofing in Cape Town for residential, commercial, and industrial properties. As trusted waterproofing contractors in Cape Town, we deliver durable roof waterproofing, balcony waterproofing, torch-on membrane systems, and liquid waterproofing solutions designed to protect your property from leaks, moisture, and long-term structural damage.
Our waterproofing services in Cape Town are designed to prevent costly water damage before it becomes a major problem. Whether you need roof waterproofing in Cape Town, balcony waterproofing, or complete waterproofing systems for commercial buildings, our experienced team uses premium materials and proven installation methods to deliver long-lasting protection. As one of the trusted waterproofing companies in Cape Town, we provide reliable solutions backed by quality workmanship and free estimates.
Cape Town's wet winters and salt-air coastal climate are especially hard on unprotected roofs and concrete surfaces, which is why proper waterproofing matters here more than almost anywhere else in the country. Left untreated, water ingress leads to cracked ceilings, mould, rotten timber, corroded reinforcing steel, and in serious cases structural damage that is far more expensive to fix than the original leak. We regularly carry out waterproofing systems work in Sea Point, Camps Bay, Green Point and surrounding Cape Town suburbs.
- Torch-on membrane waterproofing
- Liquid waterproofing systems
- Balcony & flat roof waterproofing
- Damp-proofing solutions
- Free estimate & leak-free guarantee
What's Included in Our Waterproofing Service in Cape Town City
A complete waterproofing service in Cape Town covers everything from initial inspection to a finished, guaranteed watertight surface. Here's exactly what you can expect from our experienced waterproofing contractors in Cape Town.
Torch-On Membrane Systems
Multi-layer modified bitumen membranes torched onto flat and low-slope roofs for a fully bonded, waterproof seal, providing reliable roof waterproofing in Cape Town
Liquid Waterproofing Systems
Seamless, elastomeric liquid coatings applied cold — ideal for balconies, awkward roof shapes, and surfaces with penetrations for long-lasting waterproofing in Cape Town.
Balcony & Flat Roof Waterproofing in Cape Town
Purpose-built systems for trafficable and non-trafficable surfaces, including proper falls and drainage detail for professional roofing and waterproofing in Cape Town.
Damp-Proofing Solutions in Cape Town
Treatment of rising damp and penetrating damp on walls and foundations to protect interiors and structure.
Leak Detection & Diagnosis
On-site inspection to trace the real source of a leak before any work begins, so we fix the cause, not just the symptom.
Free Estimate & Leak-Free Guarantee
A written, no-obligation quote before any work starts, backed by our guarantee once the job is complete from trusted waterproofing specialists in Cape Town.
What's Really at Stake
Waterproofing in Cape Town isn't just about staying dry, it protects the value, safety, and long-term cost of your property..
Cost Savings
A small leak repaired early costs a fraction of what structural water damage costs to fix later with professional waterproofing contractors in Cape Town.
Safety
Water ingress weakens ceilings, timber, and steel reinforcing, proper roof waterproofing in Cape Town prevents hidden structural risk.
Longevity
Quality waterproofing systems, correctly installed, extend the life of your roof or balcony by many years.
Property Value
A documented, professionally waterproofed roof by trusted waterproofing companies in Cape Town reassures buyers, tenants, and valuers alike.
Compliance
Correct waterproofing detail helps meet building regulations and body corporate maintenance obligations.
Energy Efficiency
Reflective and insulated roofing and waterproofing in Cape Town systems reduce heat gain, easing the load on air-conditioning and lowering energy bills.
What You Gain
- Reduce long-term maintenance costs with professional waterproofing
- Increase the lifespan of your roof or balcony with quality roof waterproofing in Cape Town.
- Improve energy efficiency and indoor comfort with reliable roofing and waterproofing in Cape Town.
- Protect valuable assets, stock, and finishes from water damage with trusted waterproofing contractors in Cape Town.
- Meet local building regulations and body corporate standards with experienced waterproofing specialists in Cape Town.
Who We Waterproof For
From single residential balconies to large commercial roofs, our waterproofing systems are used across a wide range of property types.
Commercial Buildings
Warehouses
Retail Centres
Schools
Hospitals
Apartment Buildings
Industrial Facilities
Government Buildings
How We Waterproof Your Property
Free Consultation
A quick call or WhatsApp message to understand the problem and book a site visit.
Site Inspection
We inspect the roof, balcony, or affected area in person and trace the source of any leaks.
Detailed Estimate
A clear, written quote covering materials, labour, and timeline — no hidden costs.
Project Planning
We schedule the job, order materials, and plan around weather and access requirements.
Construction
Our team prepares the surface and applies the torch-on or liquid waterproofing system.
Final Quality Inspection
We walk the finished surface with you to confirm it meets our standard before sign-off.
Ongoing Support
We remain on call for any questions or aftercare once the job is complete.
Featured Waterproofing Projects
A couple of recent examples of waterproofing problems we've solved for Cape Town property owners.
Flat Roof Restoration – Mitchells Plain
Client: Residential homeowner
Challenge: An ageing flat roof with multiple leak points causing ceiling staining inside the home.
Solution: Full torch-on membrane system installed over a resurfaced, properly-falled roof deck.
Result: A fully sealed, leak-free roof with a renewed lifespan and no further water ingress.
Balcony Waterproofing – Sea Point
Client: Body corporate, apartment block
Challenge: Water penetrating through balcony slabs into the units below.
Solution: Liquid waterproofing system applied with correct falls and drainage detail across all affected balconies.
Result: Dry ceilings below, no further complaints from residents, and a documented guarantee for the body corporate's records.
Have your own before & after photos you'd like featured here? Send them through and we'll add your project to this page.
Waterproofing & Roofing Project Gallery
New Roof
Roof RepairFinished RoofRoof Tiling
Roof Maintenance
Roofing ProjectWhat Sets FG Group Apart
Experienced Team
Decades of hands-on waterproofing and roofing experience across Cape Town.
Licensed Professionals
Fully qualified tradespeople who know how to detail a roof or balcony correctly.
Dedicated Project Manager
One point of contact for your whole project, from quote to sign-off.
Transparent Pricing
Written estimates with no hidden costs or surprise add-ons.
On-Time Delivery
We plan around weather and access so your project finishes when we say it will.
Premium Materials
Quality torch-on membranes and liquid systems built for Cape Town's climate.
Strong Safety Record
Safe working practices on every roof, balcony, and site we work on.
Excellent Communication
Regular updates by phone or WhatsApp so you always know where your project stands.
You Might Also Need
Waterproofing Systems – Frequently Asked Questions
Most residential balconies or small roofs take 1–3 days. Larger commercial roofs can take 1–2 weeks depending on size and access, weather permitting.
Cost depends on the size of the area, the system used (torch-on vs liquid), and the condition of the existing surface. We provide a free, no-obligation written estimate after a site inspection.
Yes, we back our waterproofing work with a leak-free guarantee once the job is signed off.
Yes, our team is fully qualified and experienced in waterproofing and roofing work across Cape Town.
Get in touch to discuss your project — we can talk through payment options for larger jobs on a case-by-case basis.
Our standard hours are Monday to Saturday, 07:00–17:00. Contact us if you need to discuss a weekend or after-hours booking.
Yes, every waterproofing project starts with a free, no-obligation site inspection and written estimate.
In many cases yes, provided the existing surface is sound. We'll assess this during the site inspection and recommend the right approach.
Waterproofing Services Across Cape Town
Based in Mitchells Plain, we provide waterproofing systems across Cape Town and the greater metro.