EWI over small step in brickwork [Version ID #106]

Author details

Original Author:Admin Organisation:

Detail summary

Detail to show EWI carrying around a half-brick step-in on an external wall. Using woodfibre Insulation for solid and hard to treat cavity walls.

Technical description

Plan Detail. EWI carrying round brickwork step. half-brick or equivalent step size. Woodfibre insulation system.

Care should be taken to ensure air-tightness. Seal all service penetrations. Lap and tape all membranes.

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: 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. 100mm UdiTherm SK back board, 100mm 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.

  • Adhesive

    Adhesive for use at joint between perimeter/ plinth insulation and external wall insulation.

    Unger. \ Reference: Udi Dispersion Adhesive

  • External Wall Insulation (Woodfibre), 140mm, Rendered Finish

    Composite woodfibre board. 60mm UdiTherm SK back board. 80mm Diffutherm NF (T&G, renderable) front 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.

  • Render

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

Revisions

  1. Admin - 2015-04-29 14:16:41

    DWG file uploaded. EW01 and EW01b Back to earth contact details added. General formatting amendments.

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  2. Admin - 2015-03-27 16:52:51

    Preview image and .pdf file updated.

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  3. Admin - 2015-03-24 15:25:36

    General formatting. Technical description expanded with additional clauses & notes. Parts list updated with suppliers links.

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  4. Admin - 2015-03-13 13:47:31

    Title, technical description updated/revised. Parts list added.

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  5. Admin - 2015-03-05 14:07:56 [Displayed version]

    Parts list and technical description changed.

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  6. Admin - 2015-03-05 10:38:43

    Preview image updated

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  7. Admin - 2015-03-05 10:37:19

    First version

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