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Schluter KERDI-COLL L Two-Part Sealant Adhesive

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KERDI-COLL-L comprises a two-component sealant adhesive, incorporating a solvent-free acrylate dispersion and a reactive cementitious powder.

This adhesive is specifically formulated for adhering and sealing overlaps of KERDI membranes. Furthermore, it effectively seals the edges of KERDI-KEBA seaming tape on various substrates including KERDI, DITRA, DITRA-HEAT, KERDI-BOARD, and BARA edge profiles.

When combined with KERDI, DITRA, DITRA-HEAT, or KERDI-BOARD materials alongside matching KERDI-KEBA, installers can establish certified bonded waterproofing assemblies.

Schlüter-KERDI-COLL-L is a crucial component of a technical approval mandated in Germany. The aforementioned Schlüter products, tested alongside KERDI-COLL-L, possess the necessary national technical approval (abP) in Germany, featuring the Ü-mark quality seal for construction products. Please refer to the respective product data sheets for information.

Made from
KERDI-COLL-L consists of a solvent-free acrylate dispersion (KERDI-COLL-A) with a bulk density of 1.0 kg/l and a reactive cementitious powder (Schlüter-KERDI-COLL-RL) with a bulk density of 1.2 kg/l. The two components are mixed prior to application.

Suitable for
KERDI-COLL-L is suitable for wall and floor applications in conjunction with KERDI, DITRA, DITRA-HEAT or KERDI-BOARD and the corresponding joint tape KERDI-KEBA in interior and exterior areas (except KERDI-BOARD).

Consumption values for Schlüter-KERDI-COLL-L

1) 12.5 cm waterproofing of joints:

Consumption: approx. 170 / 360 / 600 g/m

  • 4.25 kg (large) approx. 25 / 12 / 7 m
  • 1.85 kg (small) approx. 10 / 5 / 2 m

2) 5 cm overlap on Schlüter-KERDI:

Consumption: approx. 70 g/m

  • 4.25 kg (large) approx. 60 m
  • 1.85 kg (small) approx. 25 m

3) 15 + 5 cm waterproofing of areas adjoining Schlüter-KERDI:

Consumption: approx. 280 / 350 / 400 g/m

  • 4.25 kg (large) approx. 15 / 12 / 10 m
  • 1.85 kg (small) approx. 6 / 5 / 4 m

4) 18.5 cm waterproofing of areas adjoining Schlüter-DITRA and Schlüter-BARA:

Consumption: approx. 350 g/m

  • 4.25 kg (large) approx. 12 m
  • 1.85 kg (small) approx. 4 m

More Information

Brand Schluter Systems
Area Interior, Exterior, Walls, Floors
Type Waterproofing

Technical Info

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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.


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