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Ceresit CT84 Express PU Foam Adhesive ǀ 750ml

Ceresit CT84 Express PU Foam Adhesive - Indoor and Outdoor application - 750ml
Ceresit CT84 Express PU Foam Adhesive ǀ 750ml
  • Metal container of 850 ml.
  • Assumed consumption: approx. 10 m2
  • Thermal conductivity 0.040 W/mk
  • Temperature of application: from -10 °C to +40 °C
  • Hardening time: approx. 2 hours
Estimated delivery:
In Stock
£ 23.64
Ex VAT: £ 19.70
  • Brand: Ceresit®
  • Model: CT84 EWI
  • Weight: 0.90kg
  • SKU: CT84
  • Product code: P1-408
  • MPN: Ceresit CT84 Express Adhesive

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Ceresit CT84 polyurethane low expansion, quick setting adhesive for fixing Kingspan K5, Expanded Polystyrene (EPS) and PIR boards known as insulation foam adhesive, is also used for filling gaps and stopping draughts. 

With CT84 foam anchoring possible after approximately 2 hours - speeding up the process so insulation works can take even 5 days less!

Fixing of 1 m2 of EPS (Expanded Polystyrene) boards with CT84 weights 100g versus 5kg in case of cement adhesive!

CT84 has enhanced thermal insulation properties, unlike traditional cement adhesives. 

Express foam has thermal insulation properties similar to foamed polystyrene or mineral wool.

High humidity can cause faster bonding of CT84.



In Ceresit Ceretherm composite external wall insulation systems.

The container should be intensively shaken for several seconds, then the valve protection cap should be removed and the container with the valve kept upwards should be attached to the gun. 

Please note! The valve of the gun should be twisted off. 

With the gun attached to the container, it is possible to open the valve and release the adhesive by pressing the trigger. 

Starting profiles should be fixed before the application of insulation boards. 

CT84 should be applied with the dispensing gun and the container kept in an upright position and the distance kept between the gun and the board allowing the adhesive application. 

In case of applying CT84 in Ceresit Ceretherm Systems, it should be applied along the periphery of the board with the distance kept approximately 2 cm from the edges and one strip running along the board parallel to its longer sides. 

In case of fixing CT84 on foundation should be applied 5 strips along shorter side of the board, keep the distance c.a. 2 cm from the edge. 

2-4 minutes after CT84 place the board to the wall and press it slightly with a long float. 

The surface smoothness of the fixed boards can be corrected up to 20 minutes since their fixing by means of a long float. 

High humidity can cause faster bonding of CT84.


Key Points:

 · Low expansion

 · Yield: 10 m² - 100 % higher than traditional cement adhesives

 · 15 % higher adhesive strength than traditional cement adhesives

 · Application from -10°C and high humidity of air especially recommended for work in low temperature when cement adhesives drying time is significantly longer or impossible

 · Perfect for ”ETICS on ETICS” application


Scope of Use:

CT84 can be used for fixing foamed polystyrene boards and mineral wool in providing thermal insulation for newly erected buildings and those subjected to renovation of thermal insulation. 

Approximately 2 hours after the application, the insulation boards may be smoothed and anchored, then the reinforced layer may be applied using the Ceresit CT80, CT85, CT87, CT190 or ZU. 

CT84 polyurethane adhesive is also used for fixing such material as EPS and XPS foamed polystyrene on such substrates as wood, OSB board, glass, bitumen, ceramic bricks, concrete, coated and 

galvanized steel, aerated concrete dry and after water impact, drywall and for layered fixing of expanded polystyrene in normal and reduced temperatures in thermal insulation systems also.

It is also used for windowsills (after degreasing the surface), filling the gaps between the EPS & XPS boards, framework (supplement of the adhesive) in case of key button effect of EPS boards in existing 

insulation system and bonding of EPS boards in case of renovation of the existing insulation system ”ETICS on ETICS”



CT84 contains substances harmful to health.

Protective glasses and gloves should be worn. 

It is not permitted to eat or smoke while working; do not work close to the open fire. 

In case of any health problem, the general practitioner should be consulted. 

The container holds flammable gas, therefore it should be protected against heat sources above the temperature of +50 °C. 

The container should not be perforated or thrown into the fire. 

The container with adhesive should always be transported in the boot - never in the passenger’s cabin. 

Keep out of reach of children.

Board covarage 10.00 m2
Colour Light Pink
Consistancy Foam
Material Polyurethane Adhesive
Shelf Life 12 months
Application Temperature from +5 °C to +25 °C
Shipping method Rigid Vehicle ǀ Courier
Applications Kingspan, Polystyrene and PIR boards
ETA Notification Yes
Features Speeding up the process
Manufacturer Henkel Ceresit®

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We deliver insulation materials to Mainland UK only. Deliveries to Highlands, Northern Ireland, Isle of Wight etc.. might be possible at additional cost.
We offer free delivery on most of the orders above £300 (excluding VAT) (except special products - shipping cost via courier - products marked ''Request A Quote'')

Delivery of some insulation materials might be extended due to the current situation (Covid-19, stock shortages, allocations).
If you need materials quickly please contact us - we will do our best to help you source materials needed.

We do not deliver on weekends and bank holidays. Sometimes we can deliver on Saturdays - please check with us before placing the order.
If you need any further information please contact us tel. 02081910776

We can help to calculate price per m2 or linear meter (one meter in length) cost, please just contact us via phone 02081910776, email or live chat. Alternatively, you can work it out yourself quickly and easily: to get cost per meter square please divide price shown in orange area by ''Required area (m2)'' Example price of £28.80 divided by board coverage 2.88m2 = cost of £10.00 per m2.


No matter whether you choose a local installer or a national company, there’s a few tips to help you find the right installer for your home insulation improvements, such as asking for recommendations and making sure that they’re part of a certification scheme. This makes sure that they have the right skills and standards of workmanship to carry out the installation, and you can be sure that they know exactly what they are doing.


1. Thermal inspection picture in portfolio

It’s worth seeing a installer’s previous work. There’s no harm asking if you can see any properties nearby that they’ve installed insulation in. Best way would be to see Infrared Thermal Imaging Inspections. Thermal cameras spot small, but key changes in temperature in different areas of a house, identifying problematic areas that the human eye never could and some that a visual inspection could only hypothesize.

2. Reviews

Along with checking recommendations and previous work, finding reviews online can often be a great way to find out if they provide a good service or not. However, it’s best not to solely rely on reviews you may find or review websites, as there’s no controlling who writes them.

3. Compare prices

Comparing prices will also ensure companies can’t take advantage of you and give you a fair price. 

4. Word of Mouth

The best way to find a great insulation installer is through recommendations. Make sure you ask friends and family. They will most likely give you their honest opinion and can tell you from first hand experience.


Whether you require a wall, cladding, external wall, loft or floor insulation fitted, you can find and hire your local insulation installers from popular UK web pages. A simple internet search will return thousands of potential installers near your area.



We are the stockist of construction materials and related products for both trade and DIY from most recognizable brands in the UK like Cordek, RCM, Promat, Rockwool, Isover, Celotex, Xtratherm, Ursa, Low-E, Cedral, Kingspan, Dufaylite, British Gypsum, K-rend, Ecotherm, Iko enertherm, Kay-Metzeler, Terrawool to allow you to complete your insulation job on time at competitive prices and the highest standards.


Whether you are a large company or a DIYer, if you need a large amount of insulation materials, we can offer quantity discounts at the best prices. Please contact us and our friendly customer service will try to find the best and cheapest solutions for you. We value your time and we will try to deliver the products as soon as possible at a reasonable price to your construction site or house. The UK's leading insulation supplier near you and your needs. Price List available upon request.
Ceresit CT84 Express PU Foam Adhesive - Indoor and Outdoor application - 750ml
Ceresit CT84 Express PU Foam Adhesive ǀ 750ml
£ 23.64