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Cavity Closers

Cavity Closers

The Profile 22 Cavity Closer is a former and damp proof course; available in standard and check reveal options for building into reveals in new build constructions.

The former is suitable for cavity sizes of 75 mm to150mm (130mm for check reveal) and will accept 70mm PVC-U systems. The former is placed in situ and the brick and blockwork built around. The windows and doors can be fitted at a later point in the building construction, reducing the potential for damage.

It meets the NHBC standards and offers the thermal and energy efficiency performance required for compliance with the Accredited Construction Details of Part L of the Building Regulations.

Product Benefits

  • Suitable for all new build applications including entrance doors and French doors
  • Guarantees size of aperture no need to visit site to measure
  • Allows windows to be fitted later in the build reducing risk of damage
  • Simplifies brick laying and window fitting giving a perfect fit every time.


Key product features

  • Window and door former for timber frame, brick or block construction
  • Allows windows to be fitted from the inside or outside
  • Ensures compliance with Building Regulations
  • Head vent provides overhead ventilation to Approved Document F
  • Designed for 75-150mm cavities
  • Can be mechanically jointed
  • Acts as a horizontal and vertical damp proof course
  • 98% recycled content (cavity closer)
  • Can be used with any PVC-U or timber window or door system.
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