LAVA 20 WATERPROOFING KIT (100m²)
From £2,884.00
Lava 20 waterproofing kit 100m² is a Durable, Versatile & Flexible Liquid Rubber Waterproofing System for Both New Builds & Refurbs.
100 SQM KIT INCLUDES:
- 10 x 25 kg of Lava 20
- 4 x 4 L of Fast Primer
- 100 sqm Chop Strand Matting
- 4 x Polyester 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 100m² is a high-performance waterproofing system designed for large flat roofs, commercial buildings, and contractor-led roofing projects.
Built for professional use, this system delivers a seamless liquid waterproof membrane that protects surfaces from leaks, water ingress, and long-term structural damage. Whether you are working on new builds or refurbishment projects, this kit ensures consistent and durable waterproofing performance.
Unlike traditional systems that rely on joints and seams, this solution creates a continuous protective layer across the entire surface.
Learn more about our liquid waterproofing system
Ideal for Commercial and Contractor Applications
This lava 20 waterproofing kit 100m² is ideal for:
- Large flat roof systems
- Commercial buildings
- Industrial units
- Large terraces and communal areas
- Refurbishment and construction projects
- Professional contractors and builders
Designed for efficient application on medium-to-large roofing projects
Why Lava 20 Waterproofing Kit 100m² Works Better
Large roofing areas require reliable and consistent waterproofing.
Lava 20 delivers a complete solution.
✔ Seamless Waterproof Membrane
Eliminates joints and weak points across the surface
✔ Flexible and Crack-Resistant
Adapts to structural movement and temperature changes
✔ Strong Adhesion Performance
Bonds to concrete, metal, and existing roofing systems
✔ Long-Term Leak Protection
Prevents water penetration and recurring issues
✔ Consistent Coverage Across Large Areas
Ensures uniform waterproofing performance
Widely used in professional roof leak repair system applications
Application Process (Professional Use Recommended)
The lava 20 waterproofing kit 100m² is designed for efficient and reliable application.
Step-by-step process:
- Prepare and clean the surface
- Apply primer for strong adhesion
- Reinforce joints, seams, and detailing areas
- Apply liquid waterproof membrane evenly
- Allow curing to form a seamless waterproof layer
Follow the Lava 20 Technical Data Sheet (TDS) for optimal performance
What’s Included in the Kit
Everything required for a complete liquid waterproof membrane system:
- 10 x 25 kg Lava 20 Liquid Waterproofing Membrane
- 4 x 4L Fast Primer
- 100 sqm Chop Strand Matting (for full reinforcement)
- 4 x Polyester Reinforcing Tapes (for joints and detailing)
Designed as a complete system for professional waterproofing applications
Key Benefits
✔ Professional-grade waterproof protection
✔ Long-lasting durability (25 years)
✔ Seamless membrane across large roof areas
✔ Efficient application for contractors
✔ Reduced maintenance costs
✔ Suitable for new builds and refurbishments
Where Can It Be Used?
The lava 20 waterproofing kit 100m² is suitable for:
- Commercial roofs
- Industrial buildings
- Large flat roof systems
- Communal areas
- Terraces
- Refurbishment and new construction projects
Why Professionals Choose Lava 20
- Proven waterproofing system
- Reliable for contractor use
- Consistent results across large surfaces
- Easy application for teams
- Trusted by builders and developers
Built for performance and reliability on large roofing projects
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 kits
- Industrial projects → 500m²–1000m² kits
Choosing the right lava 20 waterproofing kit ensures efficiency and cost control
Frequently Asked Questions
Is this kit suitable for DIY use?
This kit is recommended for professional contractors due to project size.
How long does the waterproofing last?
Up to 25 years with proper application.
Can it be used on existing roofs?
Yes, after proper surface preparation.
Is it suitable for new builds?
Yes, ideal for both new construction and refurbishment projects.
Ready to Waterproof Large Roof Areas?
Don’t risk leaks on large-scale projects.
Choose a proven Lava 20 waterproofing kit 100m² designed for durability, performance, and long-term protection.
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