Cavity Closers

     Universal closers for eliminating damp and ‘cold bridging’ around doors,

     windows and sills.


Product Literature Downloads


  • To close the cavity at external doors, window jambs and sills
  • To provide thermal insulation and prevent ‘ cold bridging’
  • To provide a DPC at external doors, window jambs or sills


Features and Benefits

  • Provides an effective DPC  and thermal barrier between frame, inner and outer wall leaf
  • Exceeds the minimum thermal resistance path of 0.45m2K/W stipulated in robust details ‘limited thermal bridging and air leakage’
  • Rigid profile extrusion allows both first and second fix
  • Components available to make up ‘on-site’ frame formers
  • Suitable for all frame and sill positions
  • Integrated & flexible water strip to reduce air leakage
  • Durable and resistant to decay
  • Simple on-site trimming to cope with ‘rogue’ cavity widths
  • Low ECO Points rating

Dedicated To Supporting Builder's Merchants



2.4m lengths pre-scored so can be used from 50mm to 150m lengths


Contact Information

  • Terms & Conditions

Phone: 01709 728150



01709 724975



Address: Barbot Hall Industrial Estate, Mangham Road, Rotherham, S61 4RJ


Sales Fax No:




Facebook Page

  • Modern Slavery Statement