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300mm uPVC Flat Soffit Board x 5m
A 300mm flat soffit board is a plain uPVC board that closes off the underside of your roof overhang, between the back of the fascia and the wall. It comes in 5m lengths, needs no painting, and wipes clean. These are Eurocell boards. This width comes in 8 colours, so pick your finish and add it to your basket.
What a 300mm flat soffit board is used for
A 300mm flat soffit board suits wider overhangs on houses and bungalows, and porch ceilings. Flat soffit is the right choice when you're fixing back to sound timber. If your roof needs ventilation at the eaves, use vented soffit instead.
How to measure for 300mm flat soffit
Measure from the back of the fascia to the wall, at a few points along the run, and take the widest reading. If you're between sizes, take the wider board and cut it down, because uPVC soffit cuts cleanly with a fine-tooth blade.
300mm flat soffit board colours and prices

White
£26.99 inc VAT

Anthracite Grey
£46.99 inc VAT

Rosewood
£46.99 inc VAT

Agate Grey
£46.99 inc VAT

Golden Oak
£46.99 inc VAT

Irish Oak
£46.99 inc VAT

Black Ash
£46.99 inc VAT

Chartwell Green
£46.99 inc VAT
300mm flat soffit board questions
Do I need vented or flat soffit?
If your roof space is ventilated at the eaves, or Building Regulations require it on your job, use vented soffit. If ventilation is already handled another way, such as over-fascia vents or a vented roof, flat soffit is fine.
Can I cut it down to size?
Yes. Flat soffit cuts cleanly along its length with a fine-tooth blade, so you can rip a wider board down to fit your overhang.
How quickly can I get it?
White is usually with you in a few working days. Woodgrain and grey foils can take longer, because some are made to order by the branch. Delivery is £9.99, or free on orders over £150, and you can collect from a local depot instead.
Related boards and fittings
Same width, other boards: 300mm full replacement fascia board · 300mm capping board · 300mm vented soffit board · 300mm hollow soffit board
Browse the full range: Eurocell full replacement fascia boards · Eurocell capping boards · Eurocell vented soffit boards · Eurocell hollow soffit boards
To finish the job: 25mm soffit starter trim (J trim) · 40mm soffit joint (H trim) · polytop fixing pins

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