Structural Door Packs

For quotations, product information or technical support please call us on 01773 590100 or email

Product Information

  • Cavalok 100mm / BigBlok 125 & 150mm cavity closer with structural foam inserts
  • Ability to direct fix through outer door frame into the cavity closer, removing the reliance on strap fixings removing any movement that may occur once the door has been in-stalled
  • Thermally efficient, acts as DPC
  • To be used on entrance doors with or without fanlight and french, patio and bi-fold doors


  • Deliver nationwide
  • Structural door sets can be supplied to site in 3 or 4 sided pre-fabricated frames based on structural opening sizes
  • Structural door packs are available, consisting of:
    • 2 x structural door set lengths
    • 1 x standard non-structural
    cavity closer • 20 brick ties

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