EWI Feature Course [Version ID #149]

Author details

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Detail summary

Detail for a feature course within EWI to an existing wall. Designed to preserve the character of, or replicate an existing feature course detail.

Technical description

Section detail. EWI to existing wall. Feature course detail in Bullnose tile.

Care should be taken to ensure air-tightness. Seal all service penetrations through EWI and existing wall. Lap and tape all membranes around edges of EWI system.

All insulation to be continuous to avoid thermal bridging.

Preparation of external wall: Remove any existing loose material and prepare in accordance with manufacturer's requirements.

Any alterations to drainage and other fixtures, or work to prepare the substrate, to be agreed with contract administrator prior to work being undertaken. Prior to start on site inspect the form and condition of the structural substrate; institute repairs and/ or additional works necessary to make the substrate suitable to receive EWI system.

Parts list

  • External Wall Insulation (Woodfibre) System With Rendered Finish

    Composite woodfibre board. 'UdiTherm SK' back board, 'Diffutherm' NF (T&G, renderable) top board. \ Fixed mechanically to substrate in accordance with manufacturers recommendations. \ Base Coat - levelling on substrate: 90% contact required around edge of boards between board and substrate to prevent thermal bypass. If substrate is very uneven, use base-coat material around edge of board to achieve contact. \ Thermal conductivity: 0.045W/m2K. GWP 0.

    Unger \ www.unger-diffutherm.de \ Reference: UdiFRONT. \ Render: UDI Perl


  1. Admin - 2015-04-29 16:40:46

    DWG file uploaded. EW01 contact details amended.

  2. Admin - 2015-03-30 12:14:55

    Preview image and detail pdf updated.

  3. Admin - 2015-03-25 09:25:32

    General formatting. Additional notes added to technical description. Parts list updated.

  4. Admin - 2015-03-13 17:44:07

    Parts list updated with codes.

  5. Admin - 2015-03-11 16:06:58 [Displayed version]

    First version

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