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C&S Construction Services Ltd use this method of internal dry-lining for use on timber frame constructions or on any dry masonry walls that will support and retain the battens/firings and associated fixings. This method should be used when fixing to solid wall constructions that are susceptible to rain water penetration. This method of wall insulation combines insulation, dry-lining and vapour control in one board.




Product Data
Achieving 'U' Value

  • Product thickness = insulation thickness + 12.5 mm plasterboard (?-value = 0.19 W/m.K).
  • For the purposes of these calculations all examples are based on a brick, cavity, brick wall.
  • For the purposes of these calculations all examples are based on a render finished dense block, cavity, and dense block wall.
  • The ?-value quoted is in accordance with the Harmonised European Standard BS EN 13165 (urethane) and BS EN 13166 (phenolic) using so called 90/90 principles. Comparison with alternative products may not be appropriate unless the same procedures have been followed.
  • For the purposes of these calculations the standard of workmanship has been assumed good and therefore the correction factor for air gaps ignored

Fixing Details

  • The boards should be fixed to timber framing or battens set at a maximum of 600 mm centres and positioned horizontally at floor and ceiling level.
  • The timbers should run vertically and be wide enough to give a minimum of 20 mm support to all four edges of the board.
  • The boards should be fixed with galvanised clout nails, long enough to allow 25 mm penetration of the timber. These should be placed at 150 mm centres and not less than 10 mm from the edges of the board.
  • The galvanised clout nails should be driven straight with the heads embedded just below the surface of the board.
  • Take care not to overdrive nails.
  • Treat timbers where appropriate.
  • Cutting should be carried out using a fine-toothed saw.

To Avail of our free quotation for your Building Energy Rating Before and After Audits, contact Gary 087-1367622.




C&S Construction Services provide a vast array of Energy Efficient Services in the Construction Industry such as:

  • Oil & Gas High Efficiency Condensing Boilers plus Heating Controls
  • Attic Insulation
  • Cavity Wall Insulation
  • Dry-Lining Insulation
  • External Wall Insulation
  • Solar Panels
  • BER Assessments(Energy Audits)
  • Electrical Wiring (New Installations & Existing Dwelling Rewires
  • A- Rated Windows and Doors
  • Bathroom & Disability Suite Fitouts
  • Gas & Oil Boiler Servicing
  • Underfloor Heating
  • Plumbing Services (Sanitary Ware, Additional Taps, Waste etc)
  • Renewables (Heat Pumps etc)
  • Water Conservation