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Rafter Roll

Designed to maintain ventilation between insulation and roofing felt to prevent the build-up of condensation. Suitable for new build and refurbishment work.

Use:

    • For pitched roof eaves ventilation
    • On standard pitched roofs where the pitch is 15 degrees or more and the roof void is an attic or loft space
    • On roofs with rafter spacings of between 400mm and 600mm centres

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Product Information

Roofline Roll Form Eaves Vent Roll Out Rafter Tray

Depth of ventilation channelWidthLengthProduct Code
>25mm300mm6m1121
>25mm400mm6m1171
>25mm600mm6m1131
>25mm800mm6m1151

  • Durable, totally resistant to decay, easy to fit 
  • Supplied in convenient 6m rolls 
  • Suitable for new build and refurbishment projects
  • Satisfies all NHBC requirements 
  • Manufactured to BS EN ISO 9001 and BS IN ISO 14001
  • Complies with all relevant Building Regulations 
  • Meets all relevant British Standards
  • Manufactured by vacuum forming in UPVC.
  • Available in black only.

300mm rafter roll - Product 1121 Single row of 300mm roll panel coverage suitable for:

Insulation depthMin roof pitch (deg.)
225mm40°
250mm45°

400mm rafter roll - Product 1171 Single row of 400mm roll panel coverage suitable for:

Insulation depthMin. roof pitch (deg.)
225mm32.5°
250mm37.5°
300mm48.5°

600mm rafter roll - Product 1131 Single row of 600mm roll panel coverage suitable for:

Insulation depthMin roof pitch (deg.)
225mm20°
250mm22.5°
300mm27.5°
400mm37.5°

800mm rafter roll - Product 1151 Single row of 800mm roll panel coverage suitable for:

Insulation depthMin roof pitch (deg.)
225mm17.5°
250mm20°
300mm22.5°
400mm30°

  • Unroll the ventilator along the rafters along the full length of the eaves and along both sides of the building to create a cross flow ventilation action.
  • Position centrally above the wall plate. This is the narrowest part of the roof where the roof insulation is most likely to constrict the airflow.
  • Push the corrugations down over the top of the rafters and secure using clout nails or staples.
  • Measure the overall length of the eaves to be ventilated and divide by 6m to determine the number of rolls of ventilator required.

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