EWI corner detail to perpendicular wall, with opening for door [Version ID #190]
Detail summary
Detail for EWI system carrying up to a perpendicular wall with an opening for a door/window against existing wall. This detail applies where the opening size may be adjusted to accommodate the new EWI to existing wall.
Technical description
Plan detail. Corner EWI to perpendicular wall containing opening door. Existing door opening to be reduced and existing door replaced. Air seal to internal face and finishing detail to new opening.
SUGGESTED INSTALLATION SEQUENCE:
1.) Measure critical distances on site before ordering window/ door. 2.) Install door or window. 3.) Install external wall insulation.
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.
Doors: Please refer to Approved document M (access).
Based on specifications of door: Door facings: (laminate) to BS EN 438-1 and -7. Plywood: To BS EN 314, surface appearance to BS EN 636. Hardwood: To BS EN 635-2./Softwood: To BS EN 635-3. External wood matchboarded doors to BS 459. Wood framed panel doors Timber quality: To BS EN 942. All adhesives for for wood doors and frames to BS EN 204 for Polyvinyl acetate (PVAC). To BS EN 12765, class C4 for thermosetting resin.
Fire performance of all doors, Fire resistant doorsets and shutter assemblies: Type testing: To BS 476-22 or BS EN 1634-1. \ Smoke control doorsets and shutter assemblies: Type testing: To BS 476-31.1 or BS EN 1634-3 \ Intumescent seals: • Type testing: To BS 476-23. Testing authorities to be UKAS accredited.
Single leaf external doorsets to dwellings, security: To BS 8220-1: General to BSI publication PAS 23-1, Specific req. to BSI publication PAS 24.
Safety glazing to door leaves and sidelights to BS 6206 for safety plastics and BS EN 12600 for safety glass. Location: To BS 6262-4. Please also refer to Approved document N for glazing to doors.
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
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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.
Unger \ www.unger-diffutherm.de \ Reference: UdiFRONT. \ Render: UDI Perl
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Single-sided air seal tape [DP09a]
Tape for junctions critical to air-tightness. 60mm (typical). \ Accessories: ORCON F sealant and TESCON PRIMER RP (for use on rough/old surfaces to assist adhesion)
Pro Clima \ http://www.greenbuildingstore.co.uk/page--pro-clima-airtightness-tapes-options.html \ TESCON VANA/ TESCON PROFIL (single sided)
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Replacement Triple glazed Timber Patio Doorset [GD11]
Triple glazed Timber Patio Doorset. \ Target U-Value: 1.1 W/m2K. 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). \ Size: As existing. \ Configuration: Inward opening, double. \ Frame material: FSC 100% Redwood. \ Frame drip rail: Aluminium. \ Interior Finish: Clear timber. Exterior Finish: Painted or stained factory finish - see window schedule for details .Exterior Finish: Painted or stained factory finish - see window schedule for details. \ Triple Glazing Type: as standard - see window schedule for exceptions. \ Locking handle: Security: Secured by Design
Green building store. \ http://www.greenbuildingstore.co.uk \ Reference: Ecocontract Secondary Doorset.
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Sealant To External Door Frames [GD11]
Silicone, colour TBC. Convex profile.
Contractor’s choice.
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Threshold/cill [GD11]
Hardwood with mobility threshold seal. To interface with EWI.
Contractor’s choice
Revisions
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Admin - 2015-04-29 13:51:27
Technical description format changes.
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Admin - 2015-04-29 13:49:49
DWG file uploaded. Parts list contact details for GD14 and EW01 amended.
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Admin - 2015-03-27 16:41:10
Preview image and .pdf file updated.
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Admin - 2015-03-24 15:00:18
General formatting. Technical description expanded with additional clauses. Parts list updated with suppliers links. Woodfibre accessories added to parts list.
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Admin - 2015-03-13 13:23:15
Parts list updated to revise errors.
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Admin - 2015-03-13 13:19:28 [Displayed version]
Version 2. Introduction updated. Technical description revised and expanded. Parts list added.
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Admin - 2015-02-27 17:17:54
Version 1
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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
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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
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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