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Eaves Ventilation 3 in 1 Packs (6m)

A complete and easy to fit 3-in-1 ventilation system in one pack, suitable for new build or refurbishment projects, that provide

  • 6 x 1m over fascia vent (EVP6 OF1 or EVP6-25 OF2)
  • 10 x 600mm lengths of felt support (1128)
  • 1 x 6m roll form eaves vent panel (300mm wide or 600mm wide dependant on insulation material thickness).

EVP6 packs provides ventilation equivalent to a continuous 10mm opening (10,000mm²) and is used to ventilate pitched roofs of 15°or more and the roof void is uninhabited loft or attic space.

EVP6-25 packs provides ventilation equivalent to a continuous 25mm opening (25,000mm²) and is used to ventilate pitched roofs of 15° or less, flat roofs or any roof where living accommodation is contained within the roof space.

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Features & Benefits

  • Efficient and easy to fit
  • Durable and totally resistant to decay
  • Complete and convenient eaves ventilation in a single pack

Applications

  • For pitched roof eaves ventilation
  • On roofs with rafter spacings of between 400mm and 600mm

Technical Information

  • EVP6 provides ventilation equivalent to a continuous 10mm opening (10,000mm²) and is used to ventilate pitched roofs of 15°or more and the roof void is uninhabited loft or attic space
  • EVP6-25 provides ventilation equivalent to a continuous 25mm opening (25,000mm²) and is used to ventilate pitched roofs of 15° or less, flat roofs or any roof where living accommodation is contained within the roof space

Quality, regulations and standards

  • Satisfies all NHBC recommendations
  • Complies with all relevant Building Regulations and British Standards
  • Manufactured to BS EN ISO 9001 Quality Management System
  • Manufactured to BS EN ISO 14001 Environmental Management System

Material and colour choice

  • Over fascia ventilators are manufactured by injection moulding in polypropylene
  • Roll form eaves vent and felt support panels are produced by vacuum forming in UPVC
  • Available in black only

How to order

  • Measure the overall length of the eaves to be ventilated and divide by 6m to determine the number of packs required

Installation advice

Roll form eaves ventilator

  • Unroll the ventilator along the rafters along the full length of the eaves and 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 insulation is most likely to constrict airflow
  • Push the corrugations down over the top of the rafters and secure using clout nails or staples

Over fascia vents - (OF1 or OF2)

  • Fix ventilators to the top of the fascia board using screws or nails through the fixing holes provided
  • Ventilation must be provided for the full length of the eaves along both sides of the building to create a cross flow ventilation action

Felt support panels 1128

  • Fit directly on top of the over fascia vent
  • Secure with clout nails driven into the top of the fascia board through the slots in the over fascia vent
  • Ensure each panel is allowed to overlap the next
  • Allow the rear of the panel to lay back on the rafters
  • nbs plus
  • riba

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