Dacatie Dacaproof Thermal DPC

An insulated damp proof course, provided in lengths (expanded polystyrene) or coils (polyethylene).

All Dacatie products are manufactured to BS ISO 9001 Quality Management and ISO14001 Environmental standards. All Dacatie products are chlorofluorocarbon (CFC) hydrochlorofluorocarbon (HCFC) free and have zero ozone depletion potential (ODP) and low global warming potential (GWP).

Features and benefits:

  • Economical.
  • Easy to install as brickwork is constructed.
  • Compliance with Building Regulations (E&W) Approved Document L (2010).
  • Green Guide Rating A+.
  • Robust Detail BR262.
  • National House Building Council (NHBC) approved.
  • BBA-accredited.
  • Prevent water ingress.
  • Minimizes thermal bridging around reveals.

General information

Uniclass 2015

Pr_25_57_21_64 Polypropylene (PP) damp-proof courses and cavity traysPrimary


F30/330 Damp proof courses

F30/48 Damp proof course

Specification data - Polypropylene (PP) damp-proof courses and cavity trays

Product Reference

Dacatie Dacaproof Thermal DPC



165 x 100 x 18 mm.


225 x 150 x 18 mm.


165 x 100 x 12 mm.


225 x 150 x 12 mm.

Standard product features


Polyethylene (PE).


6 m.


- 12 mm thickness:

  • Thermal conductivity K-value: 0.040 W/m·K.
  • Thermal resistance R-value: 0.300 m²K/W.

- 18 mm thickness:

  • Thermal conductivity K-value: 0.038 W/m·K.
  • Thermal resistance R-value: 0.474 m²K/W.

Product Options


  • DP1 and DP2: Stock lengths of 2.5 m (to match the measurement on DP3 and DP4), in packs of ten.
  • DP3 and DP4: 10 m coils, in packs of five.
  • Sizes given are width of DPC x width of insulation x depth of insulation.

Third party certifications
  • ISO 9001
  • ISO 14001
  • REACH: Compliance
  • NHBC: Compliance
  • Groundworks Green Business: Membership
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