Easi-Close is a universal cavity closer, featuring a fully rigid plastic closer with a continuous insulation fill.

Easi-Close is available in 2 profiles 50mm to 100mm and 100mm to 150mm. Both profiles can easily be cut using the pre-cut grooves and installed on site meaning it can be used on various cavity sizes.

Designed to reduce the risk of thermal bridging within a cavity wall or timber frame, Easi-Close is Building Control compliant and NHBC accepted.

This product
is suitable for masonry walls and offers the following major benefits

  • Pre-Cut groove
  • Available in 2 profiles 50mm to 100mm and 100mm to 150mm
  • 1 continuous insulation fill
  • Suitable for timber and masonry walls
  • Lightweight, flexible, durable and easy to install
  • Available in three insulation variants
  • Meets Building Regulations minimal thermal resistance
  • Fully Agrément Certified, Building Control compliant and NHBC accepted
  • Made in Britain

Easi-Close has been independently tested and certified to the latest Industry Standards, including BDA Kiwa certificate of Agrément.

YBS Insulation at a glance

YBS Insulation


Years Manufacturing Insulation



Metres of insulation manufactured per year

More than


Global Stockists

of our products