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Owl Roof Lava20

Owl Roof Lava20

Best Uses

Owl Roof Lava20 is a rapid curing, single component polyurethane liquid waterproofing membrane. Lava 20 cured to provide a UV colour stable, defect free waterproof membrane with excellent mechanical and elastomeric properties. Can be applied in one coat.

Lava20 can be applied to many different roofing substrates and is ideal for winter application as it will cure down to 0°C. 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 fibrous 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°C

  • Bubble and defect free membrane

  • Reinforcement layers not required

  • Excellent weather and UV resistance

  • Rain resistant within 30 minutes at 20°C

  • Excellent thermal resistance - product does not go 'soft' in heat

  • Cold resistant - product remains flexible down to -40°C

  • 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 Roof Lava Prime 20 prior to application of the Lava 20 waterproofing system.

  • For a 10 year life expectancy, apply in a single coat at a minimum of 1.8 Kg per m2 by brush or squeegee

  • For a 20 year life expectancy, apply in 2 coats of 1.5 Kg per m2 each by brush or squeegee

20 to € 279