EWI stopping at internal corner [Version ID #194]

Author details

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Detail summary

Standard detail for woodfibre EWI insulation stopping at the junction with an internal corner on an outside wall.

Technical description

Plan detail. EWI to perpendicular wall, stopping at internal corner. Woodfibre external wall insulation system, with render stop and seal at junction point with existing perpendicular wall.

REFERENCE SPECIFICATION:

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), rendered finish [EW01]

    For use on solid and hard to treat cavity walls. 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.

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

  • EWI (Woodfibre) accessories [EW01]

    Render stop to exposed insulation edge. Corner beading.

    Contacts: As EWI manufacturer.

Revisions

  1. Admin - 2015-04-29 13:55:16

    DWG file uploaded. Formatting amendments.

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  2. Admin - 2015-03-27 16:43:38

    Preview image and .pdf file updated.

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  3. Admin - 2015-03-24 15:06:08

    General formatting. Technical description updated. Parts list suppliers links added.

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  4. Admin - 2015-03-13 13:32:11 [Displayed version]

    Title updated. Technical reference updated. Parts list added.

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  5. Admin - 2015-02-27 17:26:47

    Version 1

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