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TRISO-SUPER 10 - Installation Guidelines |
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Ideal for over rafter, under rafter, attic conversions and dormer applications. Suitable for new and refurbishment projects.
- Internal roof timbers can be left exposed
- Continuous insulation, reduces bridging
- Airtight and weather resistant
- Saves surface area and living space
Essential rules of installation
- Ventilation
- Breather membrane: Ensure a minimum air gap of 25mm between insulation and breather membrane (vapour resistance less than <0.25MN/s/g).
- Felted Roof: ensure a minimum air gap of 50 mm between insulation and felt (ventilation from eaves to ridge according to British standards
- Pull insulation taut, fix to rafters with staples (galvanised min. 14mm).
- Overlap insulation from 50 to 100mm at each joint and staple every 50mm on the rafter.
- Tape all joints with ACTIS ISODESIF tape to give an air tight finish.
- Fold finishing edges under minimum 50mm, and staple every 50mm or trap with final batten
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Over rafter application
- Roll insulation horizontally, starting along the bottom of the roof
- Batten horizontally between rafters, allowing joint to be stapled and taped:
- Staple every 50mm (galvanised 14mm staples).
- Overlap joints 50-100mm.
- Cover joints with 100mm ACTIS ISODHESIF tape.
- Fix vertical battens ensuring a minimum gap of 25mm between the insulation and the membrane.
- Fix breathable membrane following manufactures instructions.
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Under rafter application
- Unroll the insulation, starting along the top of the roof.
- Batten horizontally between rafters, allowing joint to be
stapled and taped:
- Staple every 50mm (galvanised 14mm staples).
- Overlap joints 50-100mm.
- Cover joints with 100mm ACTIS ISODHESIF tape.
- At the bottom of the roof pitch, staple the insulation directly
onto the timber wall plate.
- Battens (25x35mm min.) should be fixed in line using
appropriate nails, ensuring that there is always a minimum air gap of 25mm
between the insulation and the plasterboard
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The installation information and diagrams above are taken from the ACTIS Product and application guide (PZ182). For more detailed information, please refer to this document. |
