Apex Owl LAVA 20 Waterproofing Repair Kit 2m²/100m² Seamless Flexible UV-Resistant(Free Delivery)

Fix roof leaks with the Apex Owl LAVA 20 Waterproofing Repair Kit. This kit uses a flexible, liquid rubber roof coating system to form a seamless waterproofing membrane that helps stop water getting into weak roof areas. You get a smooth, professional-looking finish that works well on flat roofs, pitched roofs, and those tricky detail zones where traditional patches can fail.

LAVA 20 is built for real-world weather performance. It stays flexible in changing temperatures, resists UV exposure, and helps protect roof substrates without cracking under movement. That makes it a solid choice for both new builds and on-site roof repairs when you want reliable waterproofing results fast.

Use it across many common roof surfaces and boards. It bonds to materials like concrete, timber, slate, bitumen, OSB, plywood, gypsum, and cement board. You can also apply it over certain existing membrane systems, so you can restore protection without starting from scratch every time.

1. Seamless and flexible liquid applied waterproofing for laps, junctions, cracks, and splits.
2. Strong UV and weather resistance, with cold flexibility down to -40°C for year-round use.
3. Fast application with rain resistance in about 30 minutes at 20°C (when applied correctly).
4. CE and BBA certified system to support peace of mind on roofing waterproofing projects.

Application is straightforward. Start with a clean, dry surface. Fill holes and cracks with PU Mastic, then prime with SuperQuick Primer. Reinforce joints and defects using tape in a wet-on-wet approach with LAVA 20. Mix the membrane for about 4 minutes, then apply one or two coats to the full area for strong, continuous coverage.

Coverage depends on the surface. Plan around at least 1.8–2 kg/m² for general applications on non-porous substrates, or about 2.5 kg/m² on wood (OSB/ply), concrete, and many single ply types like TPO, EPDM, and PVC.

If your substrate is single ply or has a shiny finish, solvent-clean or lightly sand before priming. Then apply the liquid rubber roof coating for the best bond and long-lasting waterproofing repair.

https://apexfibreglassroofingsupplies.co.uk/products/apex-owl-lava-20-repair-kit

Here are 5 more great reasons to buy from us:

Returns are easy, if the items are�unopened and unused�then simply�contact us�for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from APEX Fibreglass Roofing Supplies is 100% safe and secureso you can rest easy. Your personal details are never shared, sold or rented to anyone either.

Here are 5 more great reasons to buy from us:

Returns are easy, if the items are�unopened and unused�then simply�contact us�for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap!

In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down.

We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again.

Ordering from APEX Fibreglass Roofing Supplies is 100% safe and secureso you can rest easy. Your personal details are never shared, sold or rented to anyone either.