Karma EX240 Fire & Acoustic Sealant

From  £6.60  inc VAT
From  £5.50  ex VAT
In stock
From  £6.60  inc VAT
From  £5.50  ex VAT

Need to discusss your enquiry further? Please contact our customer services team on 0330 123 1761, who will be happy to help.

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An acrylic sealant for use in filling gaps up to 15mm in width in fire walls with a fire rating up to 4 hours or in gaps where an acoustic performance is required


Karma EX240 Fire & Acoustic Sealant is supplied in 310ml tubes and is applied using a sealant gun. It consists of medium viscosity paste containing acrylic emulsion, inert fillers and fungicide.

  • Intumescent & Acoustic
    Swells under heat conditions, giving a fire and smoke resistant seal. Offers up to 57 db acoustically
  • High Performance
    Tested in vertical and horizontal joints
    Offers good adhesion to a wide variety of substrates
  • Advanced Formulation
    Will not emit halogenated by-product
  • Specifications
    EX240 Intumescent Fire Retardant Acrylic Sealant has been tested to BS476 Part 20/1987 (ISO 834) and achieved a 4 hour fire rating.
  • Karma EX240 Acoustic Properties
    EX240 maintains the sound level performance of acoustic partitions, block work walls and floors
  • Karma EX240 Fire Resistant Properties
    EX240 is specifcially designed for internal perimeter pointing of fire rated doors, windows and linear gap joints where the integrity of a firewall needs to be maintained. Swells under heat conditions, giving a fire and smoke resistant seal.
Orders and Delivery

Orders and Delivery

Free deliveries on orders over £250.00 Inc VAT. For orders under £250.00 Inc VAT, a £24.00 Inc VAT delivery fee applies.

When ordering on line you can specify the date of delivery, however we would not be able to specify the time of delivery on that day.

♦ Please note that we have a number of large vehicles, including articulated vehicles that may be used for delivery. Please advise us in the comments on your order if access to the delivery address is limited.

♦ Due to insurance guidelines, delivery personnel are unable to enter private residences. Delivery will be as far as possible to the kerbside of the delivery address. The recipient of the products is responsible for any additional lifting once the delivery has been made. Please bear in mind that Insulation products can be bulky and / or heavy.

♦ The delivery driver will require a signature to confirm the goods have been received.


† Unfortunately we, Insulation Express, cannot deliver to the Highlands & Islands of the UK. However we will be happy to deliver to a freight forwarding company on your behalf.

Returns and Refunds

Returns and Refunds

In the unlikely event that you need to return an item, please contact our team on 0330 123 1885 within 14 days of accepting delivery of the item. Restocking charges may apply. We will discuss this with you upon receipt of the cancellation request. Restocking charges will be applied where the products are no longer required AND NOT for goods returned because either defective or damaged. We usually charge 25% of value (minimum £25.00).

Please note that we cannot accept returns on special orders. Special orders may consist of items sent via third party shipping companies or made to measure products. If you are unsure on whether or not your item is a special order, please contact us on 0330 123 1885 prior to placing the order.

Free delivery on orders over £250! Free delivery on orders over £250 Terms and Conditions apply

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