Nationwide 48 Hour Delivery*
Unbeaten on Price!
Expert Help & Guides
Fast, Secure, Checkout
Fire Rated Cavity Closure 125mm 2.4m

Fire Rated Cavity Closure 125mm 2.4m

  • Cavity Closure
  • Insulation King

  • Free Next Day Delivery (over £500) in the West Midlands
  • Free Standard Delivery (over £500)
  • View our guides for Help & Advice
 (   Ex. VAT) £156.00 £0.00 /
All prices are including VAT

Select an option to add this to your cart

🚛 Next Day Delivery (West Midlands) – FREE on orders over £500

The Fire Rated Cavity Closure 125mm 2.4m is constructed using rigid profile extrusions that make it suitable for frames and sill positions. It boasts a 30-minute fire rating, ensuring durability and protection against rot.  

These cavity closers have no Global Warming Potential and Ozone Depletion Potential, making them eco-friendly. They also create DPC and thermal barriers between the frame and outer wall leaf, providing better thermal insulation. 


  • Durable, ensuring protection against decay  
  • Compatibility with first and second fix applications  
  • 2.4m length of the closure  
  • Suitable for application of all frame and sill positions  
  • Ideal for timber and masonry walls 
  • BBA approved  
  • Zero GWP and ODP 

Size: Pack of 5 

Price: £26.00 each  

You may also like…

Frequently Asked Questions

Fire Rated Cavity Closure 125mm 2.4m is specially crafted to secure concealed building cavities, with a primary focus on fire containment. Its distinctiveness lies in its robust construction and its ability to enhance both fire safety and sound insulation.

Fire Rated Cavity Closure 125mm 2.4m is forged from a blend of durable and fire-resistant materials. It incorporates advanced fire-resistant compounds and resilient metal strips, equipping it to withstand high temperatures and effectively resist fires.

Absolutely. Fire Rated Cavity Closure 125mm 2.4m is designed to be versatile and accommodating, compatible with standard construction materials and practices. It caters to both DIY enthusiasts and industry professionals. If you need expert guidance, get in touch - our dedicated team is always ready to assist.

Yes, it does. While its primary role is fire protection, Fire Rated Cavity Closure 125mm 2.4m also doubles as a sound insulator. This means it not only serves as a guardian against fires but also contributes an additional layer of tranquility to your walls and ceilings, creating a peaceful environment that's ideal for work and relaxation.

Free shipping will automatically be applied to all orders over £500. Simply add over £500 to your cart and you will see the discount while checking out.

Orders under £150 - £100 carriage.
Under £300 - £50 charge.
Under £500 - £25 charge.
Over £500 is free.

We typically deliver orders within 2-3 business days of ordering.

Orders for the West Midlands will be completed in 1 to 2 working days.

Orders for areas out of the West Midlands will be completed in 3 to 4 working days.

Orders made after 5pm will be processed on the following working day.

Our deliveries are typically made between 8am and 5pm, Monday - Friday excluding Bank Holidays (Great Britain).

We are unable to offer timed deliveries.

Popular brands we supply

You recently viewed…