EWI to New Manchester Window [Version ID #297]

Author details

Original Author:Admin Organisation:

Detail summary

Detail for a triple glazed replacement Manchester window and associated junction with EWI to wall above. Designed to help preserve the character of an existing Manchester window while reducing thermal bridging and improving air-tightness.

Technical description

Section detail. EWI to replacement Manchester Window, sloping, retrofit and replace existing window and associated windows or patio doors.

Reference Specification:

British Standards- please ensure:

  • Sloping and vertical patent glazing: to BS 5516-1.
  • Access and openings: In accordance with BS 8213-1
  • Insulating glass units to BS 5713 and Kitemark certified or to BS EN 1279.
  • Perimeter seals: Resistant to UV light degradation on exposed edges. Edge seal strength: To BS EN 1279-4.
  • Timber windows to BS 644, With Timber members for purpose made windows to BS EN 942.
  • Where safety glazing used in door leaves, standard to BS 6262-4 and to BS 6206 for safety plastics and BS EN 12600 for safety glass.

Installation of fire resisting and/ or smoke control doors/doorsets: In accordance with instructions supplied with the product conformity certificate, test report or engineering assessment.

Gaps between frames and supporting construction: filled as necessary in accordance with requirements for certification and/or door/ doorset manufacturer's instructions.

For fire door lining and escape route guidence, refer to: Approved document B (fire safety) for guidance for both dwellings and non-dwellings for existing buildings.

Approved Document F (ventilation) should be referred to with regards to ventilation as part of window or door construction.

Documents K (protection from falling) and doc M (Access) should also be referred to when installing external patio doors.

Care should be taken during the installation to ensure the continuity of insulation and air-tightness at the junction between window, existing wall and external wall insulation.

Parts list

  • Insulating Glass Units To Patent Glazing System [FAB GD04]

    Triple glazed argon filled insulated glazing units.

    • Size: to suit glazing bar centres and general arrangement, bottom overhang not less than 50 mm.
    • Outer pane: 6 mm clear toughened glass
    • Inner pane: 6 mm clear low emissivity toughened glass

    Contractor's choice.

  • Aluminium Glazing Bars To Patent Glazing System [FAB GD04]

    Box section inverted glazing bars.

    • Finish as delivered: Mill finished.
    • Size: Section and spacing to contractors choice.
    • Fixing: Stainless steel fasteners with fixing caps to prevent unauthorised removal.

    Contractor's choice

  • H71b Lead Sheet Apron Flashing to patent glazing [FAB GD04]

    Rolled lead sheet.

    • Thickness: 1.75-2mm.
    • Length: 1500mm (max) with 220mm cover to glazing.
    • Fixing: Lead wedges fixed into bed joint, clips to bottom edge at laps and 500mm centres. Stainless steel clips terne coated where exposed to view.
    • Spacing: as contractors choice to suit exposure.
    • Clip fixing: Plugged and screwed to vertical abutment through two (minimum) pre-drilled holes

    Contractor's choice

  • EWI (Woodfibre) System, Rendered Finish [EW01]

    Composite woodfibre board for use on solid and hard to treat cavity walls.

    • Insulation back board: UdiTherm SK.
    • Insulation top board: Diffutherm NF (T&G, renderable).
    • Thermal conductivity: 0.045W/m2K. GWP 0.
    • 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.
    • Fixing: Fixed mechanically to substrate in accordance with manufacturers recommendations.
    • Render/carrier: to manufacturers standard.
    • Render: Udi Perl
    • Decorative finish: tbc
    • System guarantee: 25 years - ECO compliant insurances and guarantees.
    • System Certification : ETAG

    Unger. Product Reference: UdiFRONT.

  • New timber triple or glazed window / patio doorset. [GD01/10/11]

    • Type: Triple glazed Timber Patio Doorset.
    • Target U-value: 1.1 W/m2K.
    • Size: As existing.
    • Configuration: Inward opening, double.
    • Security: Locking with security measures to Secured by Design standard
    • Material: FSC 100% Redwood.
    • Finishes:
    • Interior : Clear timber.
    • Exterior : Painted or stained factory finish.
    • Drip rail: Aluminium.
    • Air-tight installation: Install windows to achieve maximum air-tightness, using appropriate air-tight tape and sealants at all junctions and potential air-leakage points. (Expanding PU foam will not be sufficient to achieve adequate air-tightness).

    Green Building store.

    Product Reference: Ecocontract Secondary Doorset.

  • Threshold/ Cill [GD11]

    Hardwood with mobility threshold seal.

    Contractor's choice or to Manufacturers detail.

  • Sealant To External Door Frames [GD11]

    Silicone sealant.

    • Colour to contractors choice.
    • convex profile.

    Contractors choice.

Revisions

  1. Admin - 2015-04-29 10:29:00

    EW01a external insulation part amended.

    |
  2. Admin - 2015-04-29 08:42:02

    DWG file uploaded. Approved document embedded links added for docs K & M. Parts list amended to include new contact details for Ecocontract doors, Sytrodur and Back to Earth. Formatting changes

    |
  3. Admin - 2015-04-29 08:36:08

    DWG file uploaded.

    |
  4. Admin - 2015-03-27 17:36:53

    Preview image and .pdf file updated.

    |
  5. Admin - 2015-03-27 14:53:34

    XPs and adhesive added to parts list. Codes updated to match drawing.

    |
  6. Admin - 2015-03-19 18:18:14 [Displayed version]

    General formatting and error correction.

    |
  7. Admin - 2015-03-19 18:17:40

    General formatting and error correction.

    |
  8. Admin - 2015-03-19 18:15:07

    General formatting and error correction.

    |
  9. Admin - 2015-03-13 17:46:46

    Technical description updated. Parts list revised with codes.

    |
  10. Admin - 2015-03-12 17:27:35

    pdf/dwg file updated to latest revision with lineweights and colour blocks

    |
  11. Admin - 2015-03-11 17:29:57

    Parts list updated with relevant codes

    |
  12. Admin - 2015-03-11 16:36:55

    Technical description updated. Preview image and dwg file updated to latest revision.

    |
  13. Admin - 2015-03-10 11:07:45

    Parts list updated, technical summary and intro updated, and title revised

    |
  14. Admin - 2015-03-10 11:06:53

    First version

    |
  15. Admin - 2015-03-10 11:02:09

    First Version

    |
  16. Admin - 2015-02-27 12:10:40

    Version 2- .dwg file updated

    |
  17. Admin - 2015-02-26 11:02:22

    Added preview image

    |
  18. Admin - 2015-02-26 10:55:36

    Full second version - text edited

    |
  19. Admin - 2015-02-26 10:43:43

    First version

    |
Leave a comment

Discussion

  1. For those who have seen the Earth from space, and for the hundreds and perhaps thousands more who will, the experience most certainly changes your perspective. The things that we share in our world are far more valuable than those which divide us.

    User name

Leave a comment


Feedback

A total of 14 users have left feedback about this detail.

Share your thoughts about this detail with other users:

Feedback summary

  • 80% of users found this detail easy to implement.
  • 50% of users found it easy to source skills for this detail.
  • 60% of users found this detail hard to understand.
  • 100% of users found the overall cost for this detail to be low.
  • 90% of users found materials for this detail easy to source.