Roof Waterproofing

Roof Waterproofing in Gauteng

Seal your roof against the Gauteng rain. Sicon installs proven waterproofing systems on industrial, commercial and retail roofs across Johannesburg, Pretoria and Gauteng, stopping leaks at the source and protecting everything below.

  • verifiedFree site assessment
  • water_dropProven waterproofing systems
  • shieldGuaranteed watertight
Get a Free QuoteFree site assessment, no obligation

We reply within one business day. Your details stay private.

Real Results

Before & After

See the difference a professional waterproofing system makes on a leaking roof.

Before Leaking commercial roof with ponding water before waterproofing in Gauteng
After Commercial roof sealed with a waterproofing membrane after Sicon waterproofing in Gauteng

The Smart Choice

Waterproof It Properly, Do Not Just Patch It

Quick patches and cheap sealants fail fast. A proper waterproofing system is engineered to last and keep water out for years.

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Proper Waterproofing System

  • check_circleEngineered for your roof type
  • check_circleSeamless, fully bonded cover
  • check_circleBacked by a workmanship guarantee
  • check_circleLasts years, not months
  • check_circleProtects stock and structure
Get a Free Quote
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Patch & Pray

  • cancelCheap sealants crack and peel
  • cancelLeaks return after the next storm
  • cancelRepeated call outs and cost
  • cancelNo real guarantee
  • cancelDamage keeps spreading

Our Process

What a Sicon Waterproofing Job Includes

A complete, methodical system that leaves your roof sealed and watertight.

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Inspection

A full assessment of the roof, leaks and surfaces to be waterproofed.

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Surface Prep

Cleaning, drying and priming so the system bonds properly and lasts.

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Crack & Joint Repair

Cracks, joints and weak points repaired and reinforced before sealing.

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Waterproofing System

The right system applied for your roof: torch-on, liquid or membrane.

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Detailing & Reinforcement

Gutters, laps, flashings and penetrations reinforced and fully sealed.

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Final Water Test

We check and test the finished system to confirm it is watertight.

Why Waterproof

The Payoff of Proper Waterproofing

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Stop Leaks for Good

A sealed roof keeps water out and protects stock, ceilings and equipment below.

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Protect the Structure

Waterproofing prevents the corrosion, rot and concrete damage that water causes.

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Cooler Building

Reflective systems cut heat gain and can lower cooling costs below the roof.

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Backed by Guarantee

Quality systems and workmanship that come backed by a guarantee you can rely on.

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Sicon waterproofed our office park roof after years of recurring leaks. Two rainy seasons later it is still bone dry. Properly done and properly guaranteed.

Centre ManagerOffice park, Pretoria

Waterproof My Roof

Our Work

Recent Waterproofing Projects

A look at commercial and industrial roofs Sicon has waterproofed across Gauteng.

Torch-on waterproofing on a warehouse roof in Johannesburg
Torch-on waterproofing, warehouse, Johannesburg
Liquid membrane waterproofing on a factory roof in Pretoria
Liquid membrane, factory roof, Pretoria
Flat roof waterproofing on a retail building in Benoni
Flat roof waterproofing, retail, Benoni
Gutter waterproofing on an industrial roof in Gauteng
Gutter waterproofing, industrial, Gauteng
Parapet sealing on an office park roof in Johannesburg
Parapet sealing, office park, Johannesburg
Roof waterproofing on a shopping centre in the East Rand
Roof waterproofing, shopping centre, East Rand

Questions

Roof Waterproofing FAQs

The questions Gauteng businesses ask us most about waterproofing a roof.

Ask Us a Question
What roof waterproofing systems do you use?expand_more

We use proven systems matched to your roof, including torch-on membranes, liquid applied membranes and acrylic systems for metal, concrete and flat roofs.

How long does roof waterproofing last?expand_more

A properly installed system lasts many years. Lifespan depends on the system and the roof, and we recommend periodic checks to get the most out of it.

Do you waterproof flat and concrete roofs?expand_more

Yes. We waterproof flat roofs, concrete roofs, metal sheeting, gutters, parapets and problem areas like penetrations and box gutters.

Is the waterproofing guaranteed?expand_more

Yes. Our waterproofing is backed by a workmanship guarantee, and many systems carry a manufacturer warranty as well.

Which areas do you cover?expand_more

We serve Johannesburg, Pretoria and the wider Gauteng region from our base in Benoni, including the East Rand.

How do I get a quote?expand_more

Call us on 083 345 4649 or complete the contact form and we will arrange a free site visit and written quote.

Get Started

Seal Your Roof Against the Rain

Book a free site assessment from Gauteng's commercial roofing specialists. Tell us about the leak and we will recommend the right waterproofing system.

  • check_circleFree on site assessment
  • check_circleClear written quote, no obligation
  • check_circleFast response across Gauteng
Get a Free QuoteFree site assessment, no obligation

We reply within one business day. Your details stay private.