Non stock item

Mapei Ultralite Rapid Flex S1 Tile Adhesive 15kg

In stock

High performance, single component, flexible lightweight cement-based adhesive available in grey and white with no vertical slip. Low Dust technology and extremely high yield. For the installation of ceramic, porcelain - especially thin porcelain tiles - and natural stone

Product Options:


Rapid setting, low dust, one-component, flexible lightweight S1 wall and floor tile adhesive. Non-slip. Suitable for ceramic, porcelain and natural stone tiles and mosaics. Especially suitable for fixing thin porcelain tiles. For screed/render and plywood substrates. (Contains › 30% recycled material and produces low levels of dust when mixed.) Up to 60% greater coverage than conventional

Tiles can be grouted after 3 hours.
COVERAGE: approx. 0.9kg/m2 per mm of thickness, equivalent to 1.5-2.5 kg/m2.
SHELF LIFE: 12 months.

Where to use: 

  • For installing MAPEI Mapetex anti-fracture membrane.

  • For the installation of all types of ceramic tiles and mosaics (double fired, single fired, porcelain, clinker etc.) and terracotta tiles onto even or uneven interior and exterior substrates. Can be used up to 15 mm thickness.

  • For the installation of natural stone tiles and mosaics on internal and external substrates. Ensure the stone is not prone to discolouration or sensitive to moisture.

  • For the installation of thin non mesh backed porcelain tiles on interior and exterior walls or floors. Ensure that the tile manufacturer’s recommendations are followed.

Please note this is a non stocked product, this item will be have a 2-4 day working delivery time frame when placed before 2pm.

More Information

Brand Mapei
Coverage 0.8 kg/sqm per mm thickness. Approx. 1.5-2.5 kg/sqm
Type Adhesive

Technical Info

Delivery Costs:

Delivery fees are calculated based on the weight of your order and your delivery location. You can use the delivery fee calculator in your basket or on the checkout page to find the exact cost.

Delivery Area:

We currently only deliver to UK Mainland and the Highlands. We do not deliver to the Islands, Ireland, or Northern Ireland.

Next Working Day Delivery (Subject to Stock Availability):

Orders placed before 12:00 pm (noon) will be delivered the next working day, excluding weekends and holidays. This service starts from £6.50 (including VAT) and the final cost is based on the weight of your order and your delivery location. You can check the exact cost in your shopping cart or on the checkout page by entering your postcode.

Economy Service (2-3 Working Days):

This service is only available for orders over 50kg. There is no additional charge for this service.

Sample Orders:

All sample orders are shipped for free via Royal Mail Tracked 48 or 24 service. Delivery typically takes 1-3 working days.

Delivery Methods:

Non-sample orders under 50kg will be dispatched via DPD or APC Overnight. Non-sample orders over 50kg (quarter, half, and full pallets) will be dispatched via Palletways or Kandrmason.


Simply place your order online and choose the Click & Collect option at checkout.
We'll email you once your order is ready for pickup at your chosen store.
Collection hours: Monday - Friday: 8:30 am to 4:30 pm

For more information, please visit our Delivery Information page.

- Please inspect your order for any damages upon delivery and notify us immediately if you find any.

- We will replace any items that are damaged during transit.

- We accept returns within 30 days of delivery.

- Please note that customers are responsible for the cost of returning items.

- We will process returns and refunds promptly once the items are received at our warehouse.

Returning Trims
Schluter Trime
Returning trims - 35% restocking fees applied.
Returnign trim with replacement - 15% restocking fees applied
Customers are responsible to arrange returning the item.
If we arrange a return colleciton, a £35 return item collection feed will be applied.

Mapei-Profilpas Trims
A 20% restocking fee will be applied. (Item must be in re-sellable condition)
The customer is responsible for returning the item.

For more information, please visit our Return & Exchange page.


Product Questions