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  • Home
  • About Us
  • Shop
    • Products
      • Lava 20
      • Accelerators
      • Matting/Tape
      • Primers
      • Top Coats
      • PU Mastic
      • Quartz/Anti-Slip
    • Kits
      • Lava 20 Kits
      • Roof Kit Calculator
  • Applications/Systems
    • Systems
      • Anti Slip System
      • Dark Grey Top Coat
      • White Top Coat
      • Forever Top Coats
    • Applications
    • Surfaces
      • Asbestos
      • Asphalt
      • Cement Board
      • Concrete
      • Existing Coatings
      • Felt
      • Fibreglass
      • Insulation Boards
      • Metal
      • Single Ply
      • Spray Foam
      • Timber 
      • Others
  • Technical Data & Resources
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Lava 20 Catalyst
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Lava 20 25 kg
Lava 20 £25.80
Ex Tax: £21.50
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Lava 20 Fast Primer
Lava 20 Fast Primer £21.00
Ex Tax: £17.50

Lava Catalyst

£5.16
Ex Tax: £4.30

Lava 20 Catalyst is an Accelerating Additive, Used for a Faster Drying and Thicker Coat Application.

  • If you use the full catalyst (0.75 kg Catalyst with 25 kg Lava 20) you can apply a maximum of 3 mm or 118 US mils thick coating in a single coat and will cure within 3 to 5 hours.
  • If no catalyst is used you can apply a maximum of 1.5 mm / 59 mils in one coat and it will dry over 7 to 10 hours.

View our Mixing Guide

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Product Description

Description

Lava 20 Catalyst is a high-performance accelerating additive designed to speed up curing time and allow thicker coat application when using the Lava 20 waterproofing system.

It is the perfect solution for contractors and professionals who need faster project completion without compromising durability or performance.

By adding Lava 20 Catalyst to your mix, you can significantly reduce drying time while increasing coating thickness in a single application.

✔ Faster curing time (3–5 hours)
✔ Thicker coating in one application
✔ Improved efficiency on-site

Essential add-on for professional waterproofing projects.

Why Use Lava 20 Catalyst?

In many waterproofing projects, time and efficiency are critical.

Without a catalyst, coatings take longer to dry and require multiple layers. Lava 20 Catalyst solves this problem by accelerating the curing process and enhancing application performance.

✔ Reduces Downtime
Complete projects faster with quick curing

✔ Thicker Application
Apply up to 3 mm coating in one layer

✔ Improves Productivity
Fewer coats = less labour and time

✔ Professional Results
Consistent, reliable waterproofing finish

Performance Comparison

With Lava 20 Catalyst:

  • Up to 3 mm (118 mils) thickness in one coat
  • Cures within 3–5 hours

Without Catalyst:

  • Maximum 1.5 mm (59 mils) per coat
  • Drying time 7–10 hours

Using Lava 20 Catalyst can reduce project time by more than 50%

When Should You Use Lava 20 Catalyst?

This product is ideal for:

  • Time-sensitive waterproofing projects
  • Large roofing applications
  • Commercial and industrial jobs
  • Cold weather conditions (faster curing needed)
  • Contractors working on tight schedules

Recommended for professional use.

How to Use Lava 20 Catalyst

Using Lava 20 Catalyst is simple and effective:

  1. Add 0.75 kg catalyst to 25 kg Lava 20
  2. Mix thoroughly for even consistency
  3. Apply the coating as usual
  4. Allow curing (3–5 hours depending on conditions)

Always follow the mixing guide for best results.

Key Benefits

✔ Speeds up drying time significantly
✔ Allows thicker coating in one application
✔ Reduces labour and application time
✔ Improves overall waterproofing performance
✔ Ideal for professional contractors

Why Professionals Choose Lava 20 Catalyst

  • Trusted performance with Lava 20 system
  • Improves efficiency on-site
  • Helps complete projects faster
  • Reliable and consistent results

A must-have additive for advanced waterproofing applications.

Important Notes

  • Use the correct mixing ratio for optimal results
  • Do not exceed recommended dosage
  • Follow technical guidelines and TDS

Frequently Asked Questions

Do I need Lava 20 Catalyst for every project?
No, but it is highly recommended for faster drying and thicker applications.

Can I use it for DIY projects?
Yes, but it is mainly beneficial for professionals or time-sensitive jobs.

Will it affect waterproofing quality?
No, it enhances performance without compromising durability.

Upgrade Your Waterproofing Performance

Speed up your project and improve efficiency with Lava 20 Catalyst.

Add it to your order for faster curing and better results.

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Technical Docs
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Brochure
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Our mission is to provide the highest quality waterproofing systems for new builds and refurbishments at affordable prices backed up by expert personal service & 25 Year Warranty.
United Kingdom
  • Unit 24 Simpson Grove, Worsley, Manchester, M281LY
  • 0161 566 1414
  • info@owlwaterproofing.co.uk
Ireland
  • 135 Slaney Rd, Dublin Industrial Estate, Dublin, D11 AW6D
  • 353-1-830 22 50
  • info@owlwaterproofing.co.uk
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