Typical Timber Frame House & Insulation Specification


Based on a Chalet bungalow style house with concrete raft foundation

  • Ground Floor
  • DPC under sole plates
  • Timber sole plates under external and internal panels
  • Upper Floors
  • Floor joists at 400 or 600mm centres, size dependent on span/roof construction
  • 22mm T & G chipboard flooring
  • 100mm acoustic insulation
  • Walls
  • External panels C16 C.L.S 140x38mm
  • Clad with 9mm OSB 3 sheathing board and Corovin breather paper, complete with nylon tape to denote vertical studs
  • 140mm Warmcel 500 Insulation (installed on site)
  • Timber Lintels above windows
  • Internal open-stud partitions C16 C.L.S 90x38mm
  • Timber Noggins for plasterboard
  • Roof / Sloping Ceiling
  • Engineered Attic Roof Trusses, Bracing, Fixings, Loose Timbers for additional roofs; ie dormer roofs
  • 140mm Mineral wool & TLX
  • Silver Multi-Foil
  • Miscellaneous
  • Structural Steelwork
  • Protim Treatment to all structural timbers
  • Stainless Steel Wall Ties, Fixing Nails & galvanized holding-down Straps
  • Cavity Fire-Stops
  • Softwood or uPVC Fascia
  • Softwood, Plywood or uPVC Soffit
  • Panel and Elevations CAD drawings
  • Structural Engineering Calculations
  • U-Value Calculations

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