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Rowan™ SealPro 360 — Multi-Surface Sealant (310ml)

Brand: Owl Waterproofing
£15.00Ex VAT£18.00 Inc VAT
Delivery Options
Click & Collect

Product Video

Description

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Where it works

Use it on felt/asphalt (BUR), GRP, EPDM/TPO/PVC single-ply, concrete, timber/OSB/ply, metals, insulation boards and old acrylics/coatings. Ideal for roofs (flat/pitched), balconies/terraces, podium decks, green roofs (root-resistant), plant boxes and trafficable areas (light foot traffic with the correct build). Lava 20 is a moisture-curing, solvented PU liquid membrane that forms a bubble-free, jointless waterproof layer with high elasticity and crack-bridging to ~2 mm. It remains flexible down to −40 °C and handles continuous service up to ~80 °C (short shocks to ~200 °C). It’s UV colour-stable and vapour-permeable enough to avoid moisture build-up under the coating.Lava 20 is a moisture-curing, solvented PU liquid membrane that forms a bubble-free, jointless waterproof layer with high elasticity and crack-bridging to ~2 mm. It remains flexible down to −40 °C and handles continuous service up to ~80 °C (short shocks to ~200 °C). It’s UV colour-stable and vapour-permeable enough to avoid moisture build-up under the coating.

How to Install

1.

Surface prep

Brush, scrape and abrade to clean, sound, dry substrate (no dust, oil, loose coatings). Do not wash with water immediately before coating. Moist, porous or weak surfaces must be stabilised; moisture content should be low (stockist guidance suggests ≤ ~10 %).

Surface prep
2.

Prime

Apply Lava Prime 20 / Super-Quick Prime as per its TDS. Typical dry time is fast (often ~20–60 min depending on product and conditions). Ensure uniform priming, especially on concrete, screeds, timber and bitumen.

Prime
3.

Detail reinforcement (wet-on-wet)

Seal cracks/joints with OWL PU Mastic. Brush a stripe of Lava 20 over details (upstands, internal/external corners, laps, penetrations), bed polyester fabric into the wet coat, then saturate. Overlap 50–100 mm. Let cure as specified (commonly 12–18 h before main coat).

Detail reinforcement (wet-on-wet)
4.

Main field coat

20-year build: 2 coats @ ~1.5 kg/m² each (observe recoat window: 12–18 h, max 48 h) On very porous substrates allow ~3 kg/m² total. Apply by roller/brush/squeegee (or airless), keeping even thickness (avoid dry spots or puddling; don’t exceed ~0.6 mm dry film per layer).

Main field coat
5.

Topcoat (Optional)

For colour-stable or darker finishes, apply Lava 20 Top Coat (clear or coloured) as directed. Broadcast aggregate into the wet coat where anti-slip is required.

Topcoat (Optional)
6.

Clean-down & safety

Clean tools with PU/xylene solvent. Product is flammable and contains isocyanates—use PPE, ensure ventilation, no smoking/naked flames; refer to SDS. Professional use only.

Clean-down & safety

Key Advantages

  • UV-stable & crack-bridging
  • 20+ Year Durability
  • Rain-safe in ~30 mins
  • ETAG 005 + CE/ETA + BBA
  • Versatile Application
  • Broad substrate compatibility

Specifications

Consumption

1 coat ≥ 1.8 kg/m²

Application temp

From 0 °C (ideal 5–35 °C)

Rain resistance

~30 min @ 20 °C

Touch dry / tack-free

~2–3 h @ 25 °C, 55% RH

Crack bridging

Up to ~2 mm

Elongation

> 400–600 %

Tensile strength

~6.5 N/mm²

Packaging

1kg, 6kg, 15kg, 25kg

Cleaner

PU/xylene solvent

Application Gallery

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