Part of our Smart Buy Trade Range, the Freefoam White Vented Flat Soffit Board combines a crisp, low-maintenance finish with built-in ventilation slots to keep your roofspace dry and protected.
At 10mm thick and supplied in 5m lengths, these white vented flat soffit boards minimise joints, speed up installation, and deliver a neat, professional look across any roofline.
✔ Continuous 5m ventilation slots – prevents trapped moisture, condensation, and mould
✔ Made from lead-free, high-grade uPVC for strength, weather resistance, and UV stability
✔ Lightweight, wipe-clean surface – no painting or maintenance required
✔ Designed to pair with Freefoam fascia and gutter systems for a seamless finish
✔ Backed by Freefoam’s 20-year guarantee (extendable to 50 years when registered)
✔ Part of the Smart Buy Trade Range – trade-level quality at the UK’s most competitive prices
Why Choose Vented Soffit Boards?
Ventilation is critical for protecting your roof structure. Freefoam’s vented soffit board design ensures a constant airflow path beneath the eaves, helping to comply with building regulations while extending the lifespan of insulation, timbers, and roofing materials.
🔗 Want to know more about how soffit ventilation works?
Read our full guide: Soffit Ventilation Explained
Sizes Available
Freefoam Vented Flat Soffit Boards are available in a wide choice of widths to suit every property:
150mm, 175mm, 200mm, 225mm, 250mm, 300mm, 405mm, 450mm, and 605mm.