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A very versatile and economic PVC-U insulated cavity closer with second fix applications.

All Dacatie products are manufactured to BS ISO9001 Quality Management and ISO14001 Environmental standards. All Dacatie products are CFC and HCFC free and have zero ODP and low GWP.

Features and benefits:

  • Economic and versatile on site (easily trimmed).
  • One profile suits five cavity widths; insulation trimmed on site.
  • Accepts all window and door materials.
  • XPS Insulation is zero rated for ozone depletion potential (ODP).
  • Compliance with Building Regulations (E&W) Approved Document L (2010).
  • Green Guide Rating A+.
  • Robust Detail BR262.
  • National House Building Council (NHBC) approved.
  • Prevents water ingress.
  • Minimizes thermal bridging around reveals.

Cavity width:

Can be trimmed to suit cavity widths of 50, 65, 75, 85 and 100 mm.

General information

Unplasticized polyvinyl chloride (PVC-U) carrier

Expanded polystyrene (EPS)

Uniclass 2015 Plastics cavity closers (Pr_35_90_50_64)
Specification data
Product Reference

Dacatie SF Insulated Multicloser Cavity Closer for window and door reveals


SF Multicloser Cavity Closer

Standard. For cavities 50–100 mm.

CSF Multicloser Cavity Closer

Check reveal. For cavities 100–150 mm.

Standard product features

Weather rating:

  • Standard: (with 30 mm set back): Severe.
  • Check reveal: Very severe.

Building Regulations compliance:

  • Part L (2013 amend) Conservation of fuel and power.
  • Part C (2010) Resistance to contaminants and moisture.


  • Unplasticized polyvinyl chloride (PVC-U) carrier.
  • Expanded polystyrene (EPS).

Thermal conductivity (K-value):

0.038 W/m·K.

Thermal resistance (R-value):

0.658 m²K/W.


  • Zero ozone depletion potential (ODP) and zero global warming potential (GWP).
  • ISO 14001 environmental.

Stock lengths:

2.4 m.

Third party certifications
  • 98/3437 : Product Sheet 1
Similar products from Dacatie Building Solutions, product brand of Quantum Profile Systems Ltd