EWI to existing window, retained, with secondary glazing install [Version ID #145]
Detail summary
EWI detail to head and jamb of an existing window (single glazed or other) where a a secondary double glazed window unit added to the inside face of the window for improved thermal performance.
Technical description
Section Detail. EWI to existing window retained, set within existing frame. Secondary glazing added to existing cill as a proprietary product
Parts list
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Secondary Glazing Systems - Proprietary Product
To achieve target U-value 1.2 W/m2K. 20 mm low-e coated argon filled double glazing unit with warn edge spacers – toughened inner pane. Flyscreens: Not required. Glazing type as standard. \ Horizontal slider, heavy duty frame. \ To fit existing opening. \ Finish: White semi-gloss polyester powder coated.
Duration Group \ www.duration.co.uk \ Secondary Glazing
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External Wall Insulation (Woodfibre) System With Rendered Finish
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.
Unger \ www.unger-diffutherm.de \ Reference: UdiFRONT. \ Render: UDI Perl
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Insulation to retained window within EWI (Thin - Phenolic)
Phenolic foam where existing window jamb and head too narrow for standard 40mm woodfibre reveal boards. \ Thickness 20mm. \ Thermal conductivity: 0.023W/mK. \ Finish: rendered as adjacent EWI. Render stops required at junction with window head/jamb to manufacturers standard.
Kingspan Insulation Ltd \ http://www.kingspan.com \ reference: Kooltherm® K5 External Wall Board
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Extended aluminium Sill with upstand.
Create extended window sill over depth of EWI to match existing window. Pack insulation beneath cill to prevent cold bridge at existing cill reveal and use basecoat to fix as directed by manufacturer.
As external wall insulation system manufacturer
Revisions
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Admin - 2015-04-29 16:36:07
PDF and DWG file updated to latest revision. EWI accessories added to parts list.
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Admin - 2015-03-30 12:17:04
Preview image and detail pdf updated.
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Admin - 2015-03-25 13:20:39
General re-formatting. Introduction revised. Technical description updated and additional notes added. Parts list updated with suppliers links,
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Admin - 2015-03-25 13:19:52
General re-formatting. Introduction revised. Technical description updated and additional notes added. Parts list updated with suppliers links,
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Admin - 2015-03-10 12:11:25 [Displayed version]
First Version
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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.
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.
- Ease of understanding detail: Easy
- Ease of sourcing materials: Easy
- Ease of sourcing skills: Easy
- Ease of implementation: Easy
- Overall cost: Low cost
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User name
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.
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.
- Ease of understanding detail: Easy
- Ease of sourcing materials: Easy
- Ease of sourcing skills: Easy
- Ease of implementation: Easy
- Overall cost: Low cost
-
User name
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.
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.
- Ease of understanding detail: Easy
- Ease of sourcing materials: Easy
- Ease of sourcing skills: Easy
- Ease of implementation: Easy
- Overall cost: Low cost
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.
Discussion
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.
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