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Easi Close White Cavity Closure 50mm-100mm

Easi Close White Cavity Closure 50mm-100mm

  • 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) £15.60 £0.00 /
All prices are including VAT

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

This fully rigid plastic closer offers a secure, lightweight, and durable solution thanks to its continuous EPS (expanded polystyrene) insulation fill.  

Easi-Close's innovative design mitigates the risk of thermal bridging in any cavity wall or timber frame, providing a high thermal resistance path of 0.70 m²K/W -- far exceeding the minimum requirements of 0.45 m²K/W. Each 2.4m length comes equipped with pre-cut grooves for easy and hassle-free fitting of various cavity sizes from 50mm to 100mm. 


  • Economy EPS insulation fill in 2.4m lengths
  • Adaptable for both masonry and timber walls
  • Pre-cut grooves – easily tailored to fit
  • Reduces risk of thermal bridging
  • Building Control-approved; NHBC-accepted
  • High thermal resistance path of 0.70 m²K/W

Size: 50mm-100mm  

Price: £13.00

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Frequently Asked Questions

Easi Close is constructed from fully rigid plastic and incorporates a continuous EPS (expanded polystyrene) insulation fill. This combination ensures that it remains lightweight, flexible, and durable.

Easi Close is effortlessly cuttable to fit your specific wall dimensions using standard tools. Simply measure, mark, and cut it to the required length as needed.

Easi Close is thoughtfully designed to meet or exceed relevant building code and insulation standards, ensuring dependable thermal performance while adhering to industry regulations.

Easi Close is primarily engineered for use within cavity walls, timber frames, and masonry walls, so it may not be the optimal choice for external insulation systems (EIFS). Specific solutions are available for EIFS applications – get in touch with our team to find out more. 

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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