Cavity Stop Socks

Cavity Stop Socks are high-performance, fire-resistant barriers designed to prevent the spread of smoke and flames through cavity walls and voids in buildings.
Grouped product items
Product Code Type Size Length Cavity Width Colour Price Available Qty
55890 Cavity 165x100mm 1.2m 150mm Yellow
£7.39
In Stock
£7.39
45338 Cavity 65x65mm 1.2m 50mm Red
£2.62
In Stock
£2.62

Installed within wall cavities, these socks expand in the event of a fire to block airflow and slow fire transmission, helping to maintain the integrity of fire compartments.

Ideal for use in party walls, separating walls, and cavity closings, Cavity Stop Socks are a key component in achieving fire safety compliance in residential, commercial, and industrial buildings. Manufactured from non-combustible mineral wool encased in polythene for easy installation, they provide effective thermal and acoustic insulation as well.

Key Features:

  • Provides up to 2 hours fire resistance
  • Expands in heat to seal cavities and prevent fire spread
  • Suitable for party walls, cavity barriers, and separating walls
  • Made from non conbustible mineral wool
  • Also improves thermal and acoustic insulation
  • Cavity Stop Socks are an essential fire-stopping solution for modern construction and retrofit applications, offering peace of mind and regulatory compliance.
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Delivery Information:

Free Next Day Delivery on orders over £50 to Office, Home or Site.

Orders placed before 4:00pm will be dispatched same day on a next working day service.

Kindly note that our working days are Monday to Friday. Orders placed after 4:00pm on a Friday will be dispatched on Monday using a next working day service, with an expected delivery on Tuesday.

Method Price
Order Value Under £50 (ex. VAT) £8.00
Order Value Over £50 (ex. VAT) FREE

Please note some areas and bespoke products such as plasterboard may incure additional delivery charges. If this is the case we will call or e-mail you to discuss.

Returns Information:

Items not required

Should you require to return any item, we will allow you to do so within 14 days of receipt of the item for a full refund.

To begin the process of returning any item please email [email protected].

A handling charge of £10.00 per parcel will apply to all returns. A refund for returned items will be processed within 14 days of collection.

All items must be in their original packaging (where applicable) and unused.

Incorrect, Missing, Faulty or Damaged Items

Should we supply any incorrect or damaged items, or you discover an item is missing from delivery please notify us within 48 hours of receipt on 0333 005 7088 or email [email protected].

For incorrect or damaged items, we will then arrange to pick up the item and either send you out a replacement or process and refund within 48 hours.