EWI to slate roof verge with existing overhang [Version ID #204]
Detail summary
Detail for EWI up to an existing overhanging verge with sufficient overhang to take depth of EWI with a new timber fascia board over at junction with roof. Mastic seal at all edges, existing membrane below eaves to be re-dressed over insulation.
Technical description
Section Detail. EWI to Verge, existing overhanging. 200mm depth woodfibre insulation or less. Existing roof and membranes to remain. No change/alteration to existing excluding addition of new fascia board.
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 breathable membranes under Slates to be Agrément certified. Bitumen sheet to BS8747 Annex B.
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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EWI (Woodfibre) System, Rendered Finish [EW01]
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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Softwood Eaves Fascia Board [RF09b]
Species: European whitewood to BS EN 942, class J30. Size to suit existing fascia board. Treatment required. Fastened using Stainless steel nails, centres determined by contractor.
Contractors choice
Revisions
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Admin - 2015-04-29 14:44:46
DWG file uploaded. PArts list amendments.
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Admin - 2015-03-27 16:57:56
Preview image and .pdf file updated.
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Admin - 2015-03-24 17:34:09
General formatting. Technical description expanded with additional clauses and approved document links. Parts list updated with suppliers links.
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Admin - 2015-03-24 17:32:28
General formatting. Technical description expanded with additional clauses and approved document links. Parts list updated with suppliers links.
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Admin - 2015-03-13 15:31:21 [Displayed version]
Technical description updated. Parts list updated.
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Admin - 2015-03-06 12:53:49
Parts list updated.
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Admin - 2015-03-06 12:29:11
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
-
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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