Fast Application
Rain resistant in just 30 minutes. Cures in 2 hours at 20°C.
Approved
Premium Waterproofing Kits for Flat Roofs, Balconies, Valleys, Gutters & Beyond
OWL LAVA 20 delivers superior liquid rubber waterproofing in one single component. Rainproof within just 30 minutes. Lasting protection for 20-25 years. Perfect for DIY enthusiasts and trade professionals alike.
30 min
Rainproof
20-25 yrs
Durability
-40 TO +80°C
Working Temp
Premium Quality
Rapid UK Delivery
Technical Assistance
Discover more
Step-by-Step Guide
Applying LAVA 20 Made Easy
Discover just how straightforward LAVA 20 application is with our comprehensive video tutorial for professional waterproofing.
5 minute guide
Over 50,000 views
Top rated
Your Complete LAVA 20 Application Process
01
Prepare Surface
Ensure the surface is clean and free from dirt, debris, and any loose particles.
02
Apply Primer
Use LAVA Prime 20 to create the ideal bonding base for your topcoat.
03
Seal Joints
Strengthen all cracks, seams, and gaps using reinforcement tape with LAVA 20.
04
Apply LAVA 20
Brush or roll one to two coats across the entire surface. That's it!
Expert Advice: Optimal application conditions are between
5°C and 35°C. Ensure no rainfall is forecast for at least 2 hours after applying.
Product Overview
What is LAVA 20?
An advanced one-part liquid rubber waterproofing solution delivering trade-quality protection across all substrate types.
Trade-Quality Waterproofing Without Complexity
OWL LAVA 20 is a fast-curing, UV colour stable waterproofing membrane suitable for single-coat application. Once cured, it creates a flawless, joint-free protective layer with outstanding mechanical strength and elastomeric performance.
In contrast to conventional multi-layer systems, LAVA 20 streamlines the process and significantly cuts labour expenses. Reinforcement not always required. Just prime, apply, and the job is complete.
-
10 year lifespan from a single coat (25 years when using a 3 coat system)
-
Rain ready after 30 mins at 20°C - no concerns about unexpected downpours
-
Vapour permeable - prevents moisture build up
-
Breathable membrane - prevents moisture build-up
Technical Specifications
CE & BBA Certified
>400%
Elongation
Superior stretch
-40 \ +80°C
Flexibility
Operating range
200°C
Thermal Shock
Heat tolerance
2hr
Cure Time
At 20°C ambient
Key Features
High Elasticity
Over 400% elongation. Expands and contracts with your surface.
Rain-Ready After 30 Minutes
No concerns about unexpected downpours. Quickly waterproof at 20°C.
Works in Cold
Can be applied at 0°C. Remains flexible from -40°C +80°C.
Reinforcement Not Always Required
Eliminates the need for reinforcement layers. Faster application.
CE & BBA Certified
Fully certified and compliant with European standards.
Multi-Surface Solution
Ideal Applications for LAVA 20
LAVA 20 adapts to most surfaces with outstanding results. Discover the key surfaces where this coating delivers exceptional performance.
Flat roofs
Homes & business properties
Balconies and terraces
External leisure areas
Felt and asphalt membranes
Classic roofing surfaces
Gutters and valleys
Rainwater management
TPO & EPDM membranes
Overlay applications
Concrete and timber
Building substrates
Car parks and podium decks
High-traffic surfaces
Planting boxes
Living roof systems
Your Answer
Why LAVA 20 Is Essential
Prevent water ingress before it results in costly structural damage. LAVA 20 shields your property with an industrial-strength waterproof coating.
Before LAVA 20
- Persistent leaks compromising building integrity
- Spreading damp and mould infestations
- Spiralling repair bills and disruption
- Draughty, uncomfortable living spaces
- Declining property market value
- Constant upkeep and maintenance burden
VS
After LAVA 20
- Seamless waterproof membrane
- Long-lasting 10-25 year warranty
- Single coat application
- Rain-ready within 30 minutes
- Smooth, professional appearance
- Total confidence and peace of mind
Core Advantages
Stops Expensive Repairs
Water ingress leads to structural damage costing thousands. LAVA 20 forms an impermeable shield that prevents issues at the source.
Rapid Application
Forget complex multi-coat systems and reinforcement materials. Simply prime and apply. Most projects finished within a single day.
Excellent Value
Lower labour expenses versus traditional waterproofing methods. No specialist tools required. Suitable for professional and DIY use.
Safeguards Your Investment
Properties free from water damage attract premium prices. Secure your building investment with industrial-grade waterproof protection.
Ready-to-Use Kits
Select Your Waterproofing Kit
Professional waterproofing kits suited to any project scale. All essentials included in one package, covering primer through to final topcoat.
2m²
LAVA 20 Kit 2m²
Perfect for small repairs and patch jobs
What's Inside:
- 750ml Super Quick Prime
- 1 x 6kg LAVA 20
- 1 x PU40 joint sealant
- 6m tape
- + 1 additional components
Ideal for:
Small leak repairs
See Full Details
6m²
LAVA 20 Kit 6m²
Ideal for medium-sized repairs and small balconies
What's Inside:
- 1.5L Super Quick Prime
- 1 x 15kg LAVA 20
- 2 x PU40 joint sealant
- 8m tape or 6m² matting
- + 1 additional components
Ideal for:
Small balconies
See Full Details
10m²
LAVA 20 Kit 10m²
Standard DIY projects and small roofs
What's Inside:
- 1.5L Super Quick Prime
- 1 x 25kg LAVA 20
- 4 x PU40 joint sealant
- 25m tape or 10m² matting
- + 1 additional components
Ideal for:
Standard DIY projects
See Full Details
20m²
LAVA 20 Kit 20m²
Larger balconies and terraces
What's Inside:
- 3L Super Quick Prime
- 2 x 25kg LAVA 20
- 5 x PU40 joint sealant
- Tape or 20m² matting
- + 1 additional components
Ideal for:
Larger terraces
See Full Details
30m²
LAVA 20 Kit 30m²
Professional use and medium roofs
What's Inside:
- 4L Super Quick Prime
- 3 x 25kg LAVA 20
- 8 x PU40 joint sealant
- 50m tape or 50m² matting
Ideal for:
Professional contractors
See Full Details
50m²
LAVA 20 Kit 50m²
Commercial flat roofs and large projects
What's Inside:
- 8L Super Quick Prime
- 5 x 25kg LAVA 20
- 8 x PU40 joint sealant
- 150m tape or 50m² matting
Ideal for:
Commercial flat roofs
See Full Details
100m²
LAVA 20 Kit 100m²
Large commercial and industrial projects
What's Inside:
- 15L Super Quick Prime
- 10 x 25kg LAVA 20
- 8 x PU40 joint sealant
- 250m tape or 100m² matting
Ideal for:
Industrial roofing
See Full Details
Suitable For All
Who Benefits From LAVA 20?
From weekend DIY warriors to seasoned tradespeople, LAVA 20 provides trade-standard waterproofing results on every application.
Homeowners
Tackle leaky roofs, terraces, and drainage systems with our straightforward DIY waterproofing kits. Perfect for confident DIYers with no trade background needed.
- Clear application guides
- Complete kit contents
- Dedicated helpline support
- Cut out contractor fees
Most Popular
Contractors
Grow your trade offerings with a trusted waterproofing solution. Quick turnaround times allow you to take on more projects each week.
- Trade pricing deals
- Product training provided
- 10-25 year guarantee
- Specialist trade support
Property Managers
Keep your property portfolio in top condition with budget-friendly waterproofing options. Minimise ongoing repair expenses effectively.
- Quantity-based savings
- Flexible delivery plans
- Dedicated account handler
- Fast-track assistance
"LAVA 20 has been our go-to waterproofing system across every roofing job for the past three years. The rapid application process and consistent performance have genuinely revolutionised how we operate. Cannot fault it."
Established Track Record
Trusted by Professionals Across the UK
Whether tackling minor maintenance or major commercial developments, tradespeople and DIY enthusiasts rely on LAVA 20 for dependable, professional-standard waterproofing solutions.
500+
Successful Installations
100+
Trade Partners
10+
Years in the Industry
98%
Client Approval Rating
Accreditations & Assurances
CE Certified
Meets EU standards
BBA Approved
Recognised UK quality mark
25 Year Warranty
Lasting peace of mind
Expert Support
Dedicated technical guidance
Support
Frequently Asked Questions
Got questions about LAVA 20? Here are the answers to what our customers ask most.
Still have questions?
Our technical team is ready to help with your project.
Reach Out to Us
Need Expert Waterproofing?
Professional guidance on waterproofing products. Swift quotations. Next-day delivery on orders placed before 2pm.
Ring Us
+44 204 5797935
Monday to Friday 7:30 AM - 5:00 PM
Send an Email
enquiries@globalcoatings.uk
Replies within one working day
WhatsApp
+353 86 078 6096
Got a query? Drop us a message!
Distribution Centre & Pick-up Point
Suite 9b, Turner Business CentreManchester,
Business Hours
Mon - Fri
Saturday
Sunday
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