Skip to content
UK's #1 Underfloor Heating Company - Over 300,000+ Systems Sold!

🔥MEGA SALE HAPPENING NOW!🔥 Up To 30% Off ProWarm Underfloor Heating!

🏷️ 30% OFF ProWarm Underfloor Heating!

Days
Hrs
Mins
Secs

Mapei Mapeker Rapid Set Tile Adhesive Grey - 20kg

From
Was
£19.99
From £19.99
Now £19.99
in stock, ready to be shipped
012320
Mapei Mapeker Rapid Set Tile Adhesive Grey - 20kg
From
Was
£19.99
From £19.99
Now £19.99
Contact us

Product advice or want to place an order?

Call our product experts 01268 567016

Fast & Reliable Delivery

For delivery on Tuesday

When ordered before 4pm (On weekdays)
How much adhesive do I need?
Add your area dimensions and we'll calculate how many bags you need
m2
mm

Mapei Mapeker Rapid Set Tile Adhesive Grey - 20kg for fixing all types of ceramic, porcelain tiles, mosaics and moisture stable light coloured natural stone.

Mapeker Rapid-Set Flex is a powder composed of a mixture of special cements, selectively-graded aggregates, synthetic resins and setting accelerators that develop high bond strength only 3 hours after setting.

For this reason floor and wall installations can be completed very quickly. Floors can be walked on after only 3 hours and are ready for general traffic after 24 hours.

Mapeker Rapid-Set Flex when hardened is frost-proof and water resistant.

  • Can be used on Plywood Overlaid floors
  • Can be used with underfloor heating encapsulated in levelling compound
  • Internal and External use on walls and floor
  • For Use With: Ceramic, Mosaic, Natural Stone, Porcelain
Bag size 20Kg
Colour Grey
Maximum Coverage Area 2.5 kg/m2 (Wall) - 5 kg/m2 (Floor)
Storage life 12 months in a cool dry place in the original packaging
Mixing ratio Mapeker Rapid-Set Flex Grey 100 parts of powder with 23-25 parts by weight of water
Setting time 45 minutes
Application temperature range from +5°C to +35°C
Pot life of mix 20 minutes
Open time 10 minutes
Ready for traffic on dry substrate 3 hours
Cure time on dry substrate 24 hours
Grouting on dry substrate 2-3 hours
Frequently bought with
  • Was
    £19.99
    £19.99
    Now £19.99
  • Was £7.49
    Was £7.49
    Was £7.49
    Now £6.74
    £6.74
    Now £6.74
  • Total price
    £26.73
    Our reviews speak for themselves!

    Let our experts help you

    Product Question? Need help placing an order?

    Our customer support is available Monday to Friday 7am-6pm.

    Call us on 01268 567 016
    Email sales@theunderfloorheatingstore.com

    Reach out to our expert team
    Free delivery on all orders

    At The Underfloor Heating Store, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.

    We're proud to offer a range of delivery options to suit you, including free delivery on all orders over £50 or next working day delivery for a fixed price of £9.99.

    • 2-3 working days delivery, order over £50 - FREE (£5.99 if under £50)
    • Next working day - £9.99 (Order before 4pm Monday - Friday)
    • Next working day before 12 noon - £19.99 (Order before 4pm Monday - Friday)
    • Saturday delivery - £29.99 (Order before 4pm Friday)
    • Free collection from our Basildon warehouse in Essex, learn more about Click & Collect

    Explore our full delivery policy

    30 days returns policy

    At The Underfloor Heating Store, our customers have 30 days to upgrade, replace or refund their orders.

    Returns

    At The Underfloor Heating Store, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund. Learn more.

    Replacements

    We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement. Learn more.

    Upgrades

    Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order. Learn more.

    Lifetime warranty

    At The Underfloor Heating Store, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products, with a lifetime warranty for our ProWarm range of products.

    Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.

    Find out more

    We'll beat any price

    At The Underfloor Heating Store, our main priority is customer satisfaction. To cement our commitment to this, we are proud to offer our Underfloor Heating Price Match Promise. If you find a lower price on an identical product anywhere else, we will match it – guaranteed!

    Discover our promise