EWI stop at step-in on wall / boundary. [Version ID #196]

Author details

Original Author:Admin Organisation:

Detail summary

EWI detail for a stop along a step-in on an existing external wall, either at a boundary or stop point.

Technical description

Plan detail. EWI to stop at step-in existing wall in brickwork along wall. Woodfibre insulation system, capped at step with render carried over to corner bead. Render stop and mastic seal to junction with existing wall at boundary.

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 14:13:01

    DWf file uploaded. General formatting amendments. EW01 contact details changed to include back to earth.

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  2. Admin - 2015-03-27 16:51:06

    Preview image and .pdf file updated.

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  3. Admin - 2015-03-24 15:16:55

    General formatting. Technical description expanded. Parts list updated with suppliers links.

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  4. Admin - 2015-03-13 13:41:46 [Displayed version]

    Title, technical description updated. Parts list added.

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  5. Admin - 2015-02-27 17:58:22

    Version 1

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