Waterproofing near me, done right the first time.
Searching for waterproofing near you in Pretoria or Johannesburg? Sicon Group brings 26 years of commercial expertise, in-house crews and a written 10-year guarantee to every roof we seal.
- 10-year workmanship warranty
- Public liability insured
- Local Gauteng teams
Your local waterproofing contractors in Gauteng.
Since 1999, Sicon Group has been the waterproofing team Gauteng’s property managers search for when they type “waterproofing near me”. We seal warehouses, factories, shopping centres and office parks across Pretoria and Johannesburg with the same engineered systems and the same written guarantee.
- Local crews based in Pretoria and Johannesburg
- Commercial, industrial and retail only
- In-house teams, no subcontracted labour
- Photo reports and written guarantee on every job
Local waterproofing services for every commercial property.
Whatever surface is leaking, there is a Sicon system engineered to seal it and a local team ready to install it.
Flat roof waterproofing
Liquid-applied and torch-on membrane systems for concrete and IBR flat roofs. Seamless and UV-stable.
Metal roof waterproofing
Rust treatment, joint sealing and elastomeric overcoat systems that stop leaks at every screw and lap.
Balcony & parking deck
Trafficable polyurethane systems that protect concrete decks while staying slip-resistant.
Basement & below-ground
Negative and positive-side tanking using cementitious crystalline systems for dry, defect-free basements.
Damp-proofing & walls
Rising-damp injections, plaster repair and silane-siloxane wall coatings to keep external walls dry.
Leak detection & repair
Camera, smoke and electronic leak detection followed by targeted repair. We find the source, not just the symptom.
Trusted across every commercial sector.
From warehouse roofs to retail centres, we deliver the same engineered systems and the same written guarantee across every Gauteng industry.
Warehouses
Large-span IBR and concrete roofs sealed without disrupting daily logistics.
Factories
Chemical-resistant systems engineered for production environments.
Retail centres
Phased, after-hours scheduling so trading and tenants stay unaffected.
Office parks
Multi-block estates serviced with one site supervisor and one guarantee.
Schools & campuses
Holiday-scheduled installs that protect classrooms, halls and labs.
Healthcare
Low-VOC, low-odour systems suitable for hospitals and clinics in use.
Local waterproofing work across Gauteng.
A snapshot of recent commercial installations from Pretoria, Johannesburg and the East Rand.








Why Gauteng searches for Sicon when it searches for “waterproofing near me”.
Written guarantee
5 to 10 year written workmanship guarantee on every project, backed by Sicon as a company.
Local crews
300+ trained Sicon technicians based in Gauteng. No labour brokers, no fly-by-night subcontractors.
Engineered systems
Specifications built around your building, not a one-size-fits-all roll of bitumen from the hardware store.
24-hour callouts
Free assessment within 24 hours and emergency leak callouts the same day across Gauteng.
From search to solved in four steps.
- 01
Free assessment
We visit the site within 24 hours, inspect every detail and identify the true source of the leak.
- 02
Detailed quote
Clear, itemised proposal with the exact system, materials and warranty period. No surprises.
- 03
Expert installation
Sicon’s in-house team installs the agreed system to spec with daily site reports and photos.
- 04
Written guarantee
Final flood test, sign-off and a signed multi-year guarantee handed over with the project file.
Local teams across all of Gauteng.
Active project teams in Pretoria, Johannesburg and the East Rand with daily routes through Centurion, Midrand, Sandton and Randburg.
Pretoria
- Centurion
- Pretoria East
- Hatfield
- Menlyn
- Rosslyn
- Silverton
Johannesburg
- Sandton
- Randburg
- Roodepoort
- Fourways
- Rosebank
- Midrand
East Rand
- Kempton Park
- Edenvale
- Boksburg
- Benoni
- Germiston
- OR Tambo precinct
Trusted by property managers across Gauteng.
Sicon waterproofed our entire Pretoria warehouse roof during the rainy season without a single delay. Five years later and still bone dry.
Professional from quote to handover. The team in Johannesburg cleaned up perfectly every day. Best waterproofing contractor we have used.
Their leak detection found a problem two other contractors had missed. Quoted fairly, fixed it once, and gave us a written guarantee.
Common questions about waterproofing near me.
How quickly can you visit my site?
We aim for a free on-site assessment within 24 hours of your enquiry anywhere in Pretoria, Johannesburg or the East Rand.
What guarantee do you offer?
Sicon issues a written workmanship guarantee of 5 to 10 years depending on the system specified, in addition to the manufacturer’s material warranty.
How long does a project take?
Most commercial roofs are completed in 3 to 10 working days depending on size, system and weather. A written programme is included with every quote.
Do you only service commercial buildings?
Yes. Sicon focuses exclusively on commercial, industrial and retail properties across Pretoria and Johannesburg.
Do you handle emergency leaks?
Yes. Emergency callouts are available the same day across Gauteng, with temporary seals applied while we plan the permanent system.
Get your free waterproofing quote.
Tell us about your building. We respond within one working day with a free on-site assessment and a clear, itemised quote.