Vented Soffit Board - 405mm

The White Vented Soffit Board is a 404mm wide, 10mm thick PVC-u profile supplied in a 5 metre leng...

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Professional Building SuppliesFreefoam White 405Mm Vented Soffit Board - 10Mm X 5Mtr
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PVC Cladding UKFreefoam White 405Mm Vented Soffit Board - 10Mm X 5Mtr
Free delivery in 1–3 days
£60.29
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Product Information

Full details

The Freefoam Vented Soffit Board (GPBV405) is an essential component for contractors and homeowners looking to secure roof eaves while ensuring critical airflow. Measuring 405mm in width, this PVC-u profile provides a durable, low-maintenance finish that effectively manages roof space condensation, though it is specifically optimized for roof pitches of 30 degrees or greater to fully meet ventilation standards.

All features

Model Part NumberGPBV405
BrandFreefoam

Extended Product Information

FAQs

Can I use this on a flat roof?

This product is designed for pitched roofs of 30 degrees or more to meet specific airflow regulations.

Does it require painting?

No, the white PVC-u finish is designed to be color-stable and does not require painting.

How do I cut the boards?

The boards can be easily cut using a standard fine-tooth hand saw or a power jigsaw with a plastic-cutting blade.

Is it insect-proof?

Yes, the slots are sized to allow airflow while acting as a barrier to keep insects out of the roof space.

What is the warranty period?

The product comes with a 10-year manufacturer's guarantee against defects.

What is the exact width of the board?

The board has a total width of 405mm.

Troubleshooting

Visible bowing between fixing points

Ensure that support battens are spaced consistently according to building guidelines and check that fixings are not overtightened.

Discoloration or dirt buildup

Clean with a mild soapy solution and a soft cloth; avoid high-pressure washers which may force water behind the board.

Pros and Cons

Pros

  • Reduces risk of damp and condensation in roof voids
  • Lightweight and easy to cut to size on-site
  • Provides a clean, uniform white appearance
  • Includes a 10-year manufacturer's guarantee
  • Rot-resistant material prevents long-term maintenance issues

Cons

  • Not suitable for pitches below 30 degrees for primary ventilation
  • PVC-u may expand or contract with extreme temperature changes
  • Requires professional installation for optimal roofline seal

Setup, Compatibility & Care

Ensure that the fascia board is securely fixed before installing the vented soffit. The board should be supported by a frame or fixed directly to the rafter feet. When cutting the 5-meter lengths, use a fine-tooth saw to prevent chipping the PVC. For best results, use plastic-headed nails to secure the board, allowing for slight thermal movement. Compatibility is excellent with most standard white fascia systems. Maintenance is minimal; simply wipe the surface with a soft cloth and mild detergent periodically to remove dust or organic growth. Avoid using harsh solvents or abrasive cleaners that could damage the UV-resistant finish.

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