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Fire Rated Cavity Closure 50mm 2.4m

Fire Rated Cavity Closure 50mm 2.4m

  • Cavity Closures
  • 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) £184.80 £0.00 /
All prices are including VAT

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

The Timloc Thermo-loc FR Cavity Closer is a rigid profile extrusion that comes equipped with a 30-minute fire rating. Its fantastic durability makes it the perfect barrier against decay, while also providing efficient DPC and thermal barriers between the inner frame and the outer wall leaf. 

With the ability to allow first and second fix, this profile extrusion is ideal for all frame and sill positions. Additionally, it is suitable for both timber and masonry walls. Moreover, this cavity closer has a Global Warming Potential of zero and an Ozone Depletion Potential of zero, making it incredibly environmentally friendly. 


  • Provides a thermal barrier and DPC between the outer wall leaf and frame inner 
  • Fits all frame and sill positions, as well as timber and masonry walls 
  • Durable, robust, and decay-resistant 
  • Suitable for both first- and second-fix applications 
  • 2.4 metres long 
  • BBA approved 

Size: Pack of 10  

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Frequently Asked Questions

Our Fire Rated Cavity Closure 50mm 2.4m is a specialised product designed to seal and protect building cavities, with a focus on fire containment.

At Insulation King, our Fire Rated Cavity Closure 50mm 2.4m is composed of fire-resistant materials, including intumescent compounds and metal strips, ensuring its ability to withstand the effects of fire. 

Yes, Fire Rated Cavity Closure 50mm 2.4m is designed to integrate seamlessly into standard construction practices and is compatible with common building materials, ensuring its ease of use. Get in touch with our experts to find out more. 

While its primary role is fire containment, Fire Rated Cavity Closure 50mm 2.4m can also help in sound insulation by providing an additional layer of separation in wall and ceiling cavities.

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.

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