Flat Roofing Experts

Hiring The Professionals

Flat Roofing Installation Services

We make sure that all our goods and supplies we use in making your roof are the very best for your residence, and also increase the visual appeal. We provide roofing services for both residential and commercial settings.

The skilled professionals from our team have had many decades of this kind of roofing experience, allowing them to fully answer any question or concern you may have. In particular, if you’re in need of a completely new flat roof or would like to undertake a repair of the flat roof you already have, then our team is the team to contact.

Owl Lava 20 is a single component polyurethane liquid waterproofing system that can be applied in temperatures down to zero degrees Celsius. Rain resistant within 30 minutes, Owl Lava 20 is a rapid curing, UV colour stable, defect free waterproof membrane with excellent mechanical and elastomeric properties. Can be applied in one coat. 

The product has a BBA (British Board of Agreement) accreditation Certificate. 

Lava 20 can be applied to many different roofing substrates and is ideal for winter application as it will cure down to zero degrees celsius. This roofing system eliminated the drawbacks of multi-layer waterproofing systems and reduces labour cost. 

Suitable for the waterproofing and protection of flat roofs, pitched roofs, gypsum and cement boards, polyurethane insulation foams, verandas and balconies with light foot traffic, lightweight metal roofing, lightweight bibrous cement roofing, felt or asphalt membranes, TPO and EPDM membranes, concrete, timber, slate, GRP, podium decks and planting boxes.

10 year life expectancy in a single coat

  • Cures in 2 hours at 20 degrees celsius
  • Bubble and defect free membrane 
  • Reinforcement weather and UV resistance
  • Rain resistant within 30 minutes at 20degrees celsius
  • Excellent mechanical properties – High tensile strength, tear strength and high abrasion resistance

Not recommended for unsound or structurally deteriorated substrates


All substrates must be primed with OWL Lava Super Quick Prime prior to application of the Lava 20 waterproofing system.

For a 10 year life expectancy, apply in 2 coats of 1.5kg per m2 each by brush or squeegee

Technical Details

  • BBA Approved
  • Viscosity: 3500 – 5500cp
  • Specific Weight: 1.3 – 1.4 gr/cm3
  • Flash Point: 42 degrees celsius 
  • Tack Free: 2 – 3 hours at 25 degrees celsius 
  • Overcoatable: Between 6 hours and 48 hours at 25 degrees celsius
  • Clean tools and equipment immediately after use with paper towels and the use Owl Roof PU Solvent