Roof insulation to rafters, existing membrane LR [Version ID #90]
Detail summary
Roof insulation to existing rafters, where rafter depth increased to allow increased depth woodfibre insulation.
Insulation in plane of rafters where existing roof membrane is low resistance vapour permeable. Need to ensure adequate ventilation behind insulation.
Insulation boards and proprietary basecoat finish with vapour control render applied to inside face of insulation.
Technical description
Section Detail. Roof insulation to existing roof where existing vapour permeable membrane low resistance.
Removal of existing ceiling and finishes (set aside for re-use), remove existing light fittings and set aside for re-use. Remove any existing timber mouldings. Check roofing membrane before installation of insulation.
Parts list
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Insulation Boards Or Batts Fitted Between Rafters
Compressed woodfibre insulation batts. Thickness and width to suit rafter depth and spacing. \ Thermal conductivity: 0.040W/m2k. GWP 0.
Unger \ www.unger-diffutherm.de \ UdiFLEX
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Insulation boards fitted over rafters
Compressed woodfibre insulation batts. Thickness 100mm. \ Fixed back to rafters. \ Thermal conductivity: 0.040W/m2k. GWP 0.
Unger \ www.unger-diffutherm.de \ UdiDiffutherm (render carrier board)
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Proprietary Basecoat Finish and Vapour Control Layer
Breathable render finish. \ Thickness: 4mm. \ BAUMIT KGW20 hydraulic lime skimming plaster (for painting with clay/water based paints).
Unger \ www.unger-diffutherm.de \ diMULTIGRUND
Revisions
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Admin - 2015-04-30 10:57:17
Intelligent membrane contact details re-formatted. DWG uploaded.
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Admin - 2015-03-30 11:44:34
Amendments to technical description
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Admin - 2015-03-30 11:37:45
Title updated. Technical description updated with LR definition. Preview image and pdf detail file updated.
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Admin - 2015-03-28 18:00:40
Parts list expanded to match drawing
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Admin - 2015-03-04 14:47:04 [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
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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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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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