EWI to existing window, retained, with secondary glazing install [Version ID #380]
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 [GD06a]
Secondary glazing layer to existing window; to help achieve target U-value of 1.2 W/m2K. Glazing type: as standard. Size: To fit existing opening. Type: Horizontal slider, heavy duty frame. Frame: Heavy duty. Colour/finish: TBC Glazing: 20 mm low-e coated argon filled double glazing unit with warn edge spacers – toughened inner pane. Flyscreens: Not required. \ \ \ Finish: White semi-gloss polyester powder coated.
Duration Group: Tel: 01268 681612
web: http://www.duration.co.uk
Product Reference: Secondary Glazing -
EWI (Woodfibre) System With 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
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Insulation to window (Thin-Phenolic) [EW05b]
Phenolic foam where existing window jamb and head too narrow for standard 40mm woodfibre reveal boards.
- Insulation thickness: 20mm.
- Thermal conductivity: 0.023W/mK
- Finish: render as adjacent EWI.
- Render stops/corner beading: Render stop required at junction with window head/jamb. Manufacturer's standard.
Kingspan Insulation Ltd.
Product Reference: Kooltherm® K5 External Wall Board. -
Extended aluminium Sill. [EW05a]
Create extended window sill over depth of EWI to match existing window.
- Manufacturer: As external wall insulation system
- Type: Aluminium.
- Installation: 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 [Displayed version]
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
First Version
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Feedback
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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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