LAVA 20 WATERPROOFING KIT (30m²)
From £876.50
Lava 20 waterproofing kit 30m² is a Durable, Versatile & Flexible Liquid Rubber Waterproofing System for Both New Builds & Refurbs.
30 sqm Kit Includes:
3 x 25Kg Of Lava 20
1 x 4L of Fast Primer
30 sqm Chop Strand Matting
1 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 30m2 is a complete, high-performance waterproofing system designed for medium to large flat roofs, balconies, terraces, and commercial surfaces.
This kit is engineered to provide reliable, long-lasting protection against leaks, water damage, and environmental exposure. Whether you are a contractor or an experienced DIY user, this system offers a seamless liquid waterproofing solution that ensures durability and consistent performance.
Unlike traditional waterproofing methods that rely on joints and overlapping materials, Lava 20 creates a continuous membrane across the surface, eliminating weak points and significantly reducing the risk of future leaks.
Learn more about our liquid waterproofing system
Ideal for Medium to Large Waterproofing Projects
The lava 20 waterproofing kit 30m2 is ideal for:
- Medium to large flat roof systems
- Large balconies and terraces
- Residential roofing projects
- Commercial spaces and surfaces
- Refurbishment and maintenance works
- Contractor-led waterproofing applications
Designed for projects that require more coverage and stronger performance than smaller kits.
Why Lava 20 Waterproofing Kit 30m2 Works Better
Traditional waterproofing solutions often fail due to weak bonding, seams, and poor flexibility. These issues become more serious as the surface area increases.
Lava 20 eliminates these problems with a complete system.
✔ Seamless Waterproof Membrane
Creates a continuous layer with no joints or overlaps
✔ Flexible and Crack-Resistant
Adapts to structural movement and temperature changes
✔ Strong Adhesion to Multiple Surfaces
Bonds securely to concrete, metal, and existing roofing systems
✔ Long-Term Leak Protection
Prevents water penetration and recurring damage
✔ Designed for Larger Surface Areas
Ensures consistent coverage across medium to large projects
Widely used in professional roof leak repair system applications.
Simple Application Process (DIY & Professional Friendly)
The lava 20 waterproofing kit 30m2 is designed for efficient and straightforward application.
Step-by-step process:
- Clean and prepare the surface
- Apply primer to improve adhesion
- Reinforce cracks, joints, and detailing areas
- Apply the liquid waterproof membrane evenly
- Allow curing to form a seamless protective layer
This process creates a durable waterproof barrier that protects your roof for years.
For best results, follow Lava 20 application guidelines and Technical Data Sheet (TDS).
What’s Included in the Kit
This liquid waterproof membrane kit includes everything required for a complete waterproofing system:
- 3 x 25 kg Lava 20 Liquid Waterproofing Membrane
- 1 x 4L Fast Primer
- 30m2 Chop Strand Matting (for enhanced reinforcement)
- 1 x Polyester Reinforcing Tape (for joints and detailing)
Designed as a complete system for efficient and professional application
Key Benefits
✔ Long-lasting waterproof protection (25 years)
✔ Seamless membrane with no weak points
✔ Suitable for medium to large roof areas
✔ Easy application for professionals and experienced DIY users
✔ Strong resistance to weather and temperature changes
✔ Cost-effective alternative to full roof replacement
Where Can It Be Used?
The lava20 waterproofing kit 30m2 is suitable for:
- Flat roofs
- Balconies
- Terraces
- Commercial surfaces
- Concrete structures
- Refurbishment and new build projects
Ideal for both residential and commercial waterproofing needs
Why Contractors and Users Choose Lava 20
- Proven waterproofing system
- Reliable performance across larger areas
- Easy application for teams
- Consistent results and finish
- Trusted by professionals and property owners
Built for durability, flexibility, and long-term performance
Not Sure If This Kit Is Right for Your Project?
Use this quick guide:
- Small repairs → 2m²–10m² kits
- Medium roofs → 20m²–30m2 kits
- Large roofs → 50m²–100m² kits
- Industrial projects → 500m²–1000m² kits
Choosing the right lava20 waterproofing kit ensures optimal coverage and efficiency
Frequently Asked Questions
Can I apply this kit myself?
Yes, experienced DIY users and professionals can apply this system.
How long does the waterproofing last?
Up to 25 years with proper application.
Is this suitable for larger projects?
Yes, it is ideal for medium to large roofing areas.
Can it be used on existing roofs?
Yes, after proper surface preparation.
Ready to Waterproof Medium to Large Roof Areas?
Don’t wait for leaks to cause costly damage.
Choose a proven lava 20 waterproofing kit 30m2 designed for reliable, long-lasting protection across larger surfaces.
Add to Cart Now or Get Expert Advice.
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