Understanding Waterproofing Prices in Johannesburg, Pretoria, East, West, Sandton, Randburg, Gauteng South Africa: Torch On Waterproofing Prices and Waterproofing Cost Per Sqm Explained
Understanding waterproofing prices is important for homeowners in Johannesburg, Pretoria, Sandton, Randburg, and other areas in Gauteng, South Africa. If you’re looking into torch on waterproofing prices, bitumen waterproofing prices, or general waterproofing costs, this guide will help you make informed decisions.
First, let’s talk about torch on waterproofing prices. This type of waterproofing uses a bitumen membrane that is heated and applied to surfaces. It’s very effective for flat roofs and balconies. In 2025, the waterproofing cost per sqm for torch-on methods can range from R200 to R400. This price can vary depending on the quality of the materials and the complexity of the job.
Next, we have general waterproofing prices. The waterproofing price list includes different methods such as liquid rubber, bitumen, and cementitious waterproofing. For instance, the liquid rubber waterproofing price is around R150 to R300 per sqm. This method is popular for its flexibility and ease of application.
For your roof, the waterproofing roof price in South Africa can range from R100 to R500 per sqm. This depends on the type of waterproofing membrane used and the condition of the roof.
When it comes to doors, the water proof door price or waterproof main door price can vary widely. Basic waterproofing can start at R500 and go up depending on the door’s size and material.
Basements also need protection from water. The basement waterproofing price can range from R200 to R600 per sqm. This involves more work because basements are more prone to water ingress.
Understanding waterproofing costs is important for any property owner. Whether you’re looking at residential waterproofing prices or specific methods like torch-on waterproofing prices, being informed will help you make the best choice for your home.
Always compare prices and consult with professionals to get the best deal and ensure your property is well-protected against water damage.
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Waterproofing cost per sqm in South Africa
| Waterproofing Method | Cost per sqm |
| Torch On Waterproofing | R200 – R400 |
| Bitumen Waterproofing | R150 – R350 |
| Liquid Rubber Waterproofing | R150 – R300 |
| Cementitious Waterproofing | R100 – R250 |
| Roof Waterproofing | R100 – R500 |
| Basement Waterproofing | R200 – R600 |
| Waterproofing Membrane | R100 – R400 |
This table provides a general range for various waterproofing methods in South Africa.
Factors Affecting Waterproofing Prices
Materials quality impacts costs. Premium materials like bitumen and liquid rubber are more expensive but offer better protection. Labour is another factor—experienced contractors charge higher rates.
Project size matters too; larger areas often get bulk discounts.
Preparation work also affects prices, especially if cleaning or priming is needed before application. Geographic location plays a role as well; cities might have higher labour costs compared to rural areas.
Always compare quotes from multiple contractors to find the best deal.
Using high-quality waterproofing not only preserves buildings but saves money in the long run.
Average Costs for Different Waterproofing Services in South Africa
Waterproofing Roof Price
| Waterproofing Method | Description | Average Cost per sqm |
| Torch On Waterproofing | Bitumen membrane applied with heat | R200 – R400 |
| Bitumen Waterproofing | Application of bitumen-based products | R150 – R350 |
| Liquid Rubber Waterproofing | Flexible liquid rubber coating | R150 – R300 |
| Cementitious Waterproofing | Cement-based coating | R100 – R250 |
| Polyurethane Waterproofing | Durable polyurethane coating | R250 – R500 |
| Acrylic Waterproofing | Water-based acrylic coating | R120 – R280 |
| EPDM (Ethylene Propylene Diene Monomer) | Synthetic rubber membrane | R300 – R600 |
| TPO (Thermoplastic Olefin) | Single-ply reflective roofing membrane | R350 – R700 |
| PVC (Polyvinyl Chloride) | Single-ply roofing membrane | R300 – R650 |
| Elastomeric Coating | Flexible, high-build coating | R200 – R450 |
| Silicone Waterproofing | Silicone-based liquid coating | R250 – R500 |
Basement Waterproofing Price
| Waterproofing Method | Description | Average Cost per sqm |
| Cementitious Waterproofing | Cement-based coating | R150 – R300 |
| Liquid Rubber Waterproofing | Flexible liquid rubber coating | R200 – R400 |
| Bitumen Waterproofing | Application of bitumen-based products | R180 – R350 |
| Polyurethane Waterproofing | Durable polyurethane coating | R250 – R500 |
| Tanking Slurry | Cement-based waterproofing slurry | R150 – R350 |
| Waterproofing Membrane | Installation of waterproof membranes | R200 – R450 |
| Interior Sealants | Application of sealants on interior walls | R100 – R250 |
| Exterior Excavation and Waterproofing | Digging around the foundation and applying waterproof coatings | R300 – R600 |
| Drainage Systems | Installing internal or external drainage systems | R250 – R500 |
| Sump Pump Installation | Installing a sump pump to remove water | R300 – R600 |
Bathroom Waterproofing Price
| Waterproofing Method | Description | Average Cost per sqm |
| Cementitious Waterproofing | Cement-based coating for bathroom floors and walls | R100 – R250 |
| Liquid Rubber Waterproofing | Flexible liquid rubber coating | R150 – R300 |
| Bitumen Waterproofing | Application of bitumen-based products | R150 – R350 |
| Polyurethane Waterproofing | Durable polyurethane coating | R200 – R400 |
| Acrylic Waterproofing | Water-based acrylic coating | R120 – R280 |
| Waterproofing Membrane | Installation of waterproof membranes | R200 – R400 |
| Epoxy Waterproofing | Epoxy resin coating for high durability | R250 – R450 |
| Silicone Sealants | Silicone-based sealants for joints and edges | R100 – R200 |
| Elastomeric Coating | Flexible, high-build coating | R150 – R300 |
| Interior Sealants | Application of sealants on interior walls | R100 – R200 |
Foundation Waterproofing Price
| Waterproofing Method | Description | Average Cost per sqm |
| Cementitious Waterproofing | Cement-based coating for foundation walls | R150 – R300 |
| Liquid Rubber Waterproofing | Flexible liquid rubber coating | R200 – R400 |
| Bitumen Waterproofing | Application of bitumen-based products | R180 – R350 |
| Polyurethane Waterproofing | Durable polyurethane coating | R250 – R500 |
| Waterproofing Membrane | Installation of waterproof membranes | R200 – R450 |
| Exterior Excavation and Waterproofing | Digging around the foundation and applying waterproof coatings | R300 – R600 |
| Crystalline Waterproofing | Crystalline compounds that penetrate concrete to block water pathways | R250 – R450 |
| Bentonite Waterproofing | Bentonite clay panels that expand upon contact with water to form a waterproof barrier | R300 – R600 |
Torch-On Waterproofing Prices in South Africa
Average Cost Per Square Meter
Waterproofing costs can vary. Torch-on waterproofing ranges from R200 to R400 per square meter. The average cost hits about R300/sqm in South Africa.
Bitumen Waterproofing Prices in South Africa
Cost Comparison with Other Types
Bitumen spray-on waterproofing typically costs between R300 to R500 per square meter. Torch-on waterproofing is a bit cheaper, ranging from R200 to R400 per square meter. Liquid rubber waterproofing falls somewhere in the middle with an average cost around R150 to R250 per sqm.
For materials like waterproof membranes and liquid coatings, prices vary widely—ranging from about R75 to over R500 per sqm. Waterproofing a roof generally sits on the higher end of this scale due to material and labour requirements…
Investing in quality waterproofing saves future repair costs.
Liquid Rubber Waterproofing Price in South Africa
Average Cost per Square Meter
The average cost of torch-on waterproofing in South Africa sits at around R300 per square meter.
Waterproofing Membrane Prices in South Africa
Waterproofing Membrane cost per m2
Expect waterproofing membrane costs in South Africa to vary. Prices range from R200 to R400 per square meter, averaging at around R300 per square meter.
Residential Waterproofing Prices in South Africa
Average Costs for Common Areas
- Bathroom waterproofing prices range from R300 to R450 per sqm.
- Basement waterproofing typically starts at around R3,000 but can skyrocket up to R100,000 depending on the project size.
- Foundation waterproofing generally falls between R200 and R400 per sqm.
- For roofing, homeowners often face a price range of roughly R75 to R500 per sqm based on material selection.
The average rate for general waterproofing services sits comfortably at about R130 per square metre across most common areas within residential properties.
Basement Waterproofing Prices in South Africa
| Waterproofing Method | Description | Average Cost per sqm |
| Cementitious Waterproofing | Cement-based coating | R150 – R300 |
| Liquid Rubber Waterproofing | Flexible liquid rubber coating | R200 – R400 |
| Bitumen Waterproofing | Application of bitumen-based products | R180 – R350 |
| Polyurethane Waterproofing | Durable polyurethane coating | R250 – R500 |
| Tanking Slurry | Cement-based waterproofing slurry | R150 – R350 |
| Waterproofing Membrane | Installation of waterproof membranes | R200 – R450 |
| Interior Sealants | Application of sealants on interior walls | R100 – R250 |
Waterproofing Prices for Main Doors and Roofs in South Africa
Cost Comparison for Different Materials
- Torch-on waterproofing costs between R200 and R400 per square metre.
- Bitumen spray is priced higher, ranging from R300 to R500 per square metre.
- Liquid rubber offers a different option with an average costing around R250 to R350 per square metre.
- Waterproofing membranes cost approximately the same as torch-on, about R300 per square meter.
Residential vs Commercial Waterproofing Prices in South Africa
- Residential waterproofing costs between R200 to R400 per square meter.
- Prices for commercial projects range from R300 to R500 per square meter.
Waterproofing Price List 2025- South Africa
| Waterproofing Service | Description | Average Cost per sqm |
| Basement Waterproofing | Various methods to prevent water ingress in basements | R200 – R600 |
| Bathroom Waterproofing | Waterproofing for bathroom floors and walls | R150 – R400 |
| Foundation Waterproofing | Waterproofing for building foundations | R250 – R600 |
| Roof Waterproofing | Waterproofing for different types of roofs | R100 – R500 |
| Balcony Waterproofing | Waterproofing for balconies | R150 – R350 |
| Wall Waterproofing | Waterproofing for exterior and interior walls | R120 – R300 |
Why Invest in Professional Waterproofing?
Professional waterproofing prevents water damage to your home. Water can cause big issues like mould, which harms health, and structural damage that can be costly. For instance, basement waterproofing costs may seem high initially but saves money in the long run by avoiding repairs.
Torch-on waterproofing averages R300 per sqm. This type of investment raises property value—especially for flat roofs. Reliable contractors ensure proper installation with quality materials such as bitumen or liquid rubber.
Accurate measurements from an expert will avoid future problems… ensuring peace of mind.
How to Get an Accurate Waterproofing Quote
Requesting quotes from multiple contractors
Comparing quotes from different contractors helps you find the best deal. Start by contacting at least three to five firms for waterproofing services. Ask them for detailed breakdowns of their prices, including costs per square metre and material expenses.
Inspecting the area for accurate measurements
Inspecting the area for accurate measurements matters a lot. It ensures your waterproofing solution fits well and works effectively. Accurate measurements determine both cost and required materials, so you avoid unexpected costs during the project.
FAQs
1. What is the cost of waterproofing per square metre in 2025?
The waterproofing cost per m2 varies based on materials and services used. Always check for updated prices.
2. How much does it cost to waterproof a roof in South Africa?
Waterproofing roof prices in South Africa depend on the size and type of materials like acrylic or silicone.
3. Are there affordable waterproofing solutions available?
Yes, many companies offer affordable waterproofing solutions with competitive service charges.
4. What should I expect from commercial waterproofing costs?
Commercial waterproofing costs include material prices, contractor fees, and installation rates.
5. How do I compare torch-on waterproofing prices effectively?
Inspect the area for accurate measurements and compare different providers’ pricing for similar project scopes.
6. Can rising damp affect my home’s foundation if not properly addressed?
Yes, rising damp can damage foundations if not treated with proper damp proofing methods like mortar or ready mix applications.
