Ex Tax: £198.80
LAVA 20 WATERPROOFING KIT (500m²)
From £14,295.00
Lava 20 Waterproofing Kit 500m² is a Durable, Versatile & Flexible Liquid Rubber Waterproofing System for Both New Builds & Refurbs.
500 sqm Kit Includes:
- 50 x 25 kg of Lava 20
- 20 x 4 L of Fast Primer
- 500 sqm Chop Strand Matting
- 20 x Polyester Reinforcing Tape
What does your project include?
Select everything that applies to your project, then choose the required pack sizes and quantities.
For wall-to-floor connections, flashings, internal/external corners, chimneys, pipes, gutters, outlets and fixings.
Controlled application on vertical and sloped surfaces, applied in 2–3 layers.
Strong local reinforcement across joints, seams, cracks and movement-prone areas.
Helps speed curing and supports efficient thicker-coat application on larger jobs.
For filling and smoothing holes, gaps, cracks, voids and joints before waterproofing.
A clear protective finish applied in 1–2 layers.
A coloured protective finish designed for long-term colour and surface performance, applied in 1–2 layers.
Description
Lava 20 waterproofing kit 500m2 is a high-performance solution designed for large flat roofs, commercial buildings, and industrial-scale waterproofing projects.
Built for contractors, developers, and construction professionals, this kit provides a seamless liquid waterproofing system that protects large surfaces from leaks, water ingress, and long-term structural damage.
Unlike traditional roofing systems that rely on joints and seams, this solution creates a continuous waterproof membrane that ensures reliable protection across extensive roof areas.
Learn more about our liquid waterproofing system
Ideal for Commercial and Industrial Applications
This lava 20 waterproofing kit 500m2 is ideal for:
- Large flat roof systems
- Warehouses and industrial buildings
- Commercial developments
- Construction and refurbishment projects
- Infrastructure and large-scale roofing works
Designed specifically for professionals working on large surface areas
Why Lava 20 Waterproofing Kit 500m2 Works Better
Large roofing systems require consistent and durable waterproofing.
Lava 20 delivers a complete solution.
✔ Seamless Waterproof Membrane
Eliminates joints and weak points across large areas
✔ Flexible and Crack-Resistant
Adapts to temperature changes and structural movement
✔ Strong Adhesion Performance
Bonds effectively to concrete, metal, and existing roofs
✔ Long-Term Leak Protection
Prevents water penetration and recurring issues
✔ Efficient for Large Projects
Ensures uniform application across extensive surfaces
Used in professional roof leak repair system applications
Application Process (Professional Use Recommended)
The lava 20 waterproofing kit 500m2 is designed for efficient application on large-scale projects.
Step-by-step process:
- Clean and prepare the surface
- Apply primer for proper adhesion
- Reinforce joints, seams, and detailing areas
- Apply liquid waterproof membrane evenly
- Allow curing to form a seamless waterproof layer
For optimal results, follow Lava 20 application guidelines and technical data sheet (TDS)
What’s Included in the Kit
Everything required for a complete liquid waterproof membrane system:
- 50 x 25 kg Lava 20 Liquid Waterproofing Membrane
- 20 x 4L Fast Primer
- 500m2 Chop Strand Matting (for full surface reinforcement)
- 20 x Polyester Reinforcing Tapes (for joints and detailing)
👉 Designed as a complete system for large commercial waterproofing applications
Key Benefits
✔ Industrial-grade waterproof protection
✔ Long-lasting durability (25 years)
✔ Seamless coverage across large roof areas
✔ Efficient application for contractors
✔ Reduced long-term maintenance costs
✔ Suitable for new builds and refurbishment
Where Can It Be Used?
The lava 20 waterproofing kit 500m² is suitable for:
- Commercial roofs
- Industrial buildings
- Warehouses
- Large flat roof systems
- Infrastructure projects
- Refurbishment and new developments
Why Professionals Choose Lava 20
- Proven waterproofing performance
- Reliable for large-scale projects
- Easy application for professional teams
- Consistent results across wide areas
- Trusted by contractors and developers
👉 Built for performance at scale
Not Sure If This Kit Is Right for Your Project?
Use this quick guide:
- Small repairs → 2m²–10m² kits
- Medium roofs → 20m²–50m2 kits
- Large roofs → 100m²–500m2 kits
- Industrial projects → 1000m² kits
👉 Choosing the right lava 20 waterproofing kit ensures efficiency and cost control
Frequently Asked Questions
Is this kit suitable for DIY use?
No, this kit is designed for professional contractors and large-scale projects.
How long does the waterproofing last?
Up to 25 years with proper application.
Can it be applied to existing roofs?
Yes, after proper preparation.
Is it suitable for new builds?
Yes, ideal for both new construction and refurbishment.
Ready to Waterproof Large Roof Areas?
Don’t risk failure on large-scale roofing projects.
Choose a proven lava 20 waterproofing kit 500m2 designed for durability, performance, and long-term protection.
This product application will be available soon. Please contact us if you need it now.
This technical document will be available soon. Please contact us if you need it now.
This certification will be available soon. Please contact us if you need it now.
This product brochure will be available soon. Please contact us if you need it now.
This guide will be available soon. Please contact us if you need it now.
Related products
LAVA 20 WATERPROOFING KIT 10m²
- 1 x 25 kg of Lava 20
- 2 x 750 ml of Fast Primer
- 10 sqm Chop Strand Matting
- 12 m x Polyester Tape
Lava 20 Dry Sample Kit – Try It for Free!
- Lava 20 Dry Sample
- Anti-Slip Sample
- Lava 20 Dark Top Coat Sample
- Lava 20 White Top Coat Sample
