Cavity Wall Insulation

Redplug is a specialist and approved installer of Rockwool Cavity Wall Insulation (CWI)

Redplug is a specialist and approved installer of Rockwool Cavity Wall Insulation (CWI). We install CWI to a range of projects for thermal, fire spread and soundproofing solutions in both masonry and timber framed projects. We don’t offer CWI for domestic properties but do cover refurbishment, retrofit and new build structures for a range of builders, developers and contractors in addition to direct instructions from a range of commercial clients. We offer installations to suit individual requirements including out of office hours working, weekends & holiday periods.

Our Rockwool CWI product is typically installed with full compliance of the manufacturer’s BBA certification and under full supervision of Rockwool Ltd. Redplug and Rockwool can offer a full suite of technical support including U value calculations, surveys and inspections on request.

Rockwool Blown Insulation

Rockwool 4-in-1 benefits

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Acoustic

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Fire proof

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Durability

energy-saving

Energy Saving

270mm of Rockwool insulation offers a ‘U’ value of 0.16 W/M 2K and will also offer you market leading fire ratings, excellent acoustic insulation and will last forever.

Clients we've worked with

  • Blown Insulation for ISG Group
  • Ballymore logo
  • Westfield Group logo
  • Willmot Dixon logo
  • Stepnell logo
  • Laingorourke logo
  • Crossrail logo
  • Colstons School logo
  • Wellington College logo
  • Dean Close School logo
  • Univesity of Reading logo
  • Merton College logo
  • Bowmer & Kirkland Merton logo
  • Symm builders logo
  • Kingerlee logo