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Kerakoll

Kerakoll Levelflex External Levelling Compound 20kg

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Next working day delivery Order before 12pm .subject to stock availability
Click & Collect available Ready in 1 hours from our London showroom
Rated excellent on Reviews.io Trusted by homeowners and trade professionals alike
Next working day delivery - stocked items only Order before 12pm .subject to stock availability
Trade account pricing available Apply online for exclusive contractor & developer rates
Rated excellent on Reviews.io Trusted by homeowners and trade professionals alike
Expert technical support Speak to a product specialist before you buy.
Type Screeds-Levellers
Brand Kerakoll
Coverage 2.50 kg/m2 per mm of thickness
Size 20kg/bag
  • High resistance to water and frost
  • Ideal for levelling swimming pool floors
  • Suitable for exposed applications
  • Fibre-reinforced
  • Thicknesses from 2 to 50 mm
  • Coverage of 6.0 m2 at 2 mm
  • Suitable for use with mechanical pumps
  • Formulated with high-performance raw materials with low environmental impact
  • Suitable for laying ceramic, porcelain, natural stone and mosaic tiles

Levelflex External is ideal for use in wet areas and swimming pools as part of the Kerakoll swimming pool system. Specially formulated to maintain performance whilst submerged, Levelflex External is ideal for smoothing surfaces prior to tiling and can be left uncovered as a wearing surface.

Areas of application

Self-levelling correction of irregular and uneven substrates, in external and submerged installations, such as external patios and terraces, swimming pools and water features. Rapid setting and drying and shrinkage compensated. Can be applied from 2 mm to 50mm.

Compatible adhesives:
Gel adhesives, mineral adhesives, single- and two-component organic mineral adhesives

Reactive-epoxy and polyurethane, single and two-component cement-based adhesives, dispersed in water or solvent solutions


Covering materials:

Ceramic, porcelain, natural stone and mosaic tiles

Resins for industrial floors from the Kerakoll Factory range

Substrates:
Mineral screeds made with Keracem Eco as binder or pre-mixed product

Cement-based screeds

Prefabricated concrete or fresh concrete castings

External floors in domestic and commercial
applications.

Technical Data

Appearance: Grey pre-mixed
Apparent volumetric mass: ≈ 1.18 kg/dm3
Mineralogical nature of inert material: Silicate - crystalline carbonate
Grading: 0 – 600 µm
Shelf life: ≈ 12 months from the date of production in the original, unopened packaging; protect from humidity
Mixing water: ≈ 3.8 - 4.2 l / 1 bag 20 kg
Specific weight of the mixture: ≈ 2.03 kg/dm3 UNI 7121
Self levelling time: ≈ 30 min.
End setting time: ≈ 3 hrs
Temperature range for application: from +5 °C to +35 °C
Maximum thickness: between 2 and 50 mm
Foot traffic: ≈ 3 hrs
Waiting time before laying:
Ceramic, porcelain, natural stone and mosaic tiles ≈ 3 hrs
Coverage ≈ 2.50 kg/m2 per mm of thickness

UK Mainland & Scottish Highlands only

We do not deliver to Islands, Ireland or Northern Ireland

How is shipping calculated?

Shipping is based on your order weight and delivery location. Add items to your cart and enter your postcode to see the exact cost before checkout.

Some products supplied directly from our manufacturers (non-stocked brands) carry a separate delivery charge — this is shown clearly at checkout.

Free delivery on orders £450+ inc VAT

Tiles & tiling materials only · Free samples always ship free

Next working day delivery

Order before 12:00 pm · From £6.50 + VAT · APC Overnight or DPD · Under 50 kg

Not available weekends or bank holidays

Next-day delivery is not guaranteed. Delays may occur due to carrier issues outside our control. The next-day delivery charge is non-refundable in the event of a carrier delay. Delivery times may be extended around bank holidays and public holidays.

No next-day to Scotland postcodes

AB · IV · KW · PA — please allow additional working days for these regions

Pallet delivery — orders over 50 kg

Semi, half or full pallet · Palletways or K & R Mason · Next working day

Kerbside delivery only — driver cannot bring goods onto the property

Supplier direct delivery (non-stocked products)

Some brands are shipped directly from the manufacturer and carry a separate delivery charge, shown at checkout.

Genesis (trims) — £19 + VAT · 1–3 days · cut-off 11:00 am

Marmox (mosaics, shower trays) — £15 + VAT · 1–3 days

Marmox (oversized backing boards) — £65 + VAT · 1–3 days

Schluter (trims) — £20 + VAT · 1–3 days

Bihui (trims) — £15 + VAT · 1–3 days

Free sample delivery

No minimum spend · Up to 4 free samples · Next working day

Free Click & Collect

Select Click & Collect at checkout to pick up your order from our Croydon warehouse. We'll send an email confirmation once it's ready — please wait for this before visiting.

Bring your order confirmation email or order number when collecting.

If someone is collecting on your behalf, they must have the order number and the name on the order.

Mon – Fri, 8:30 am – 4:30 pm. Closed weekends & bank holidays.

Tile Experience, 108 Beddington Lane, Croydon, London, CR0 4YY

Order tracking

Email or SMS sent by the carrier once your order is dispatched

Important: Do not book a tiler or fitter until your order has arrived and been fully checked. We cannot be held responsible for unforeseen delivery delays.

30-day return window

Returns accepted within 30 days of delivery. You also have a statutory 14-day cancellation right from the date of receipt.

Items must be unused & in original packaging

Returned goods must be uninstalled, unaltered and in the same condition as received.

Installed or cut items cannot be returned

Once tiles or materials have been cut, altered or installed, no return or refund is possible under any circumstances.

How to start a return

Contact us first at info@tileexperience.co.uk or call 0208 689 4187. Send the item back with your name and order number. Return shipping is the customer's responsibility.

Refund to original payment method

Processed within 3–5 working days of us receiving and approving your return.

Original delivery charges are not refunded. If no refund after 15 business days, contact us.

Damaged or incorrect items

Report within 48 hours of receipt. Email info@tileexperience.co.uk with your order number and photos of the damage. Confirmed replacements are sent next working day at no charge.

Non-stocked brands — restocking fee may apply

Returns for Genesis, Marmox and Bihui carry up to a 20% restocking fee. Schluter trims: 35% standard return, 15% if returning with a replacement order.

Cancellations

Cancel before dispatch for a full refund including delivery. Cancel after dispatch by rejecting the delivery — refund for goods only, not the delivery charge.

Important: Do not book a tiler or fitter until your order has arrived and been fully checked. Installed tiles cannot be returned.

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