Product info
Solvent Rubber
The Ultimate All-in-One Waterproofing Solution
Solvent Rubber is South Africa’s trusted, high-performance liquid rubber — engineered for professionals, DIYers, and contractors alike. Cold-applied and easy to use, it forms a seamless, flexible, and chemical-resistant membrane that bonds to almost any surface — even rusted metal and weathered concrete.
Key Differences
What Makes It Different?
No Primers Needed
Bonds directly to rust, metal, or concrete
Cold Applied
Safe & easy — no flames or heating required
Flexible & Crack-Resistant
Adapts to movement, prevents peeling
UV, Chemical & Ponding Resistant
Built to handle the harshest environments
Where You Can Use It
Performs across multiple industries:
Residential & Roofing
Construction & Civil
Industrial & Marine
Agricultural & Aquatic
Solvent Rubber Application Methods Guide
Product: Solvent Rubber
Type: Solvent-based, flexible rubber membrane Purpose: Waterproofing and protective coating for various substrates Application: Cold-applied with brush, roller, or spray
Preparation:
* Remove rust, dirt, and oil using pressure washer and/or brooms.
* Focus on loose debris, no need to grind off rust.
* Clean thoroughly and ensure surface is dry.
Application:
1. Optional primer (50:50 Solvent Rubber + lacquer thinners).
2. Apply first thin coat.
3. Reinforce joints with fibreglass mesh where needed.
4. Apply second coat after drying.
5. Never apply thick layers—use multiple thin coats.
Preparation:
* Clean loose debris.
* Acid wash if oily; rinse and dry completely.
Application:
1. Apply thin primer coat (50:50 mix).
2. Lay fibreglass sheeting or mesh for encapsulation.
1. Ensure fibreglass is fully saturated with Solvent Rubber.
3. Apply first coat over surface and mesh.
4. Apply second coat after drying.
Preparation:
* High-pressure wash and repair loose tiles.
* Dry thoroughly.
Application:
1. Apply primer coat (50:50).
2. Use fibreglass mesh on joints and ridging where needed.
1. Ensure fibreglass is fully saturated with Solvent Rubber.
3. Apply first coat.
4. Apply second coat once dry.
Preparation:
* Wet surface to avoid dust.
* Gently wash and do not sand.
Application:
1. Apply primer coat (50:50).
2. Reinforce cracks with fibreglass.
1. Ensure fibreglass is fully saturated with Solvent Rubber.
3. Apply first coat.
4. Apply second coat after drying.
Preparation:
* Remove rust and degrease with pressure washer.
* Dry surface well.
Application:
1. Apply primer coat (50:50)
2. Apply first coat with brush or spray.
3. Reinforce joins with fibreglass if needed.
4. Apply second coat.
Preparation:
* Remove loose material, dust, or paint.
* Check for moisture—surface must be dry.
Application:
1. Apply primer coat (50:50 with thinners).
2. Use fibreglass mesh for cracks or joints.
3. Apply first coat of Solvent Rubber.
4. Let dry and apply second coat.
5. Ensure full coverage from base to top edge.
Tip: Apply on the water-facing side and top of wall for best results.
Preparation:
* Remove flaky paint, dust, moss.
* Ensure cracks are repaired and surface dry.
Application:
1. Apply primer coat (50:50 with thinners).
2. Reinforce horizontal and vertical junctions with fibreglass mesh.
3. Apply first coat of Solvent Rubber.
4. Allow to dry, then apply second coat.
5. Ensure coating extends over wall edge and roof slab.
* Do not apply thick layers. Thin coats dry faster and perform better.
* Drying time: 30–60 mins per coat.
* Full cure: 24–48 hours depending on climate.
* Application tools: Brush, roller, or airless spray.
* Clean tools: Use lacquer thinners
Safety Measures
Safety & Storage
Low VOC & environmentally considerate
Store in cool, dry conditions (12-month shelf life)
Use PPE during application
Keep away from open flames & ignition sources
Why Choose Solvent Rubber Over Traditional Waterproofing?
Cementitious Systems
✅ Yes
✅ Yes
Fast Drying
✅ Yes
❌ No
❌ No
❌ No
✅ Yes
❌ Limited
❌ Limited
Recoat Without Stripping
✅ Yes
❌ No
❌ No
✅ Yes
❌ No
✅ Yes
✅ Yes
✅ Yes
❌ No
❌ No
❌ No
✅ Yes
❌ No
❌ No
Proven Performance. Trusted Nationwide.
What Our Clients Say
"Solvent Rubber cut my application time in half. No primers, no torching, just straight to surface. Clients love the clean finish and long-lasting protection."
Ready to Seal, Protect, and Waterproof?
Get Started with Solvent Rubber Today — Durable. Simple. Trusted.