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Professional Building Supplies£0.52Visit shop Manthorpe Building Products Black Circular Soffit Vent
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The Manthorpe Circular Soffit Vent is an essential solution for homeowners and contractors looking to improve attic or roof space ventilation in existing buildings. It is specifically designed as a quick, cost-effective retrofit upgrade that prevents condensation and moisture buildup, though it requires precise drilling into your existing soffit boards to ensure a secure fit.
| Colour | Black |
|---|---|
| Model Part Number | G700BL |
| Brand | Manthorpe Building Products |
You need to cut a 70mm diameter hole into your soffit board.
While they are finished in black, they are made of plastic; check with a paint manufacturer for specialized plastics-adhesion paint if you need a different color.
The number of vents depends on your roof size and building regulations for airflow; consult a building professional or local council guidelines for specific ventilation requirements.
Yes, it is compatible with standard wooden, PVC, or composite soffit boards as long as the material can be cut to a 70mm hole.
The product design focuses on airflow; refer to the specific model features to determine if an integrated mesh is present or if you need to add one.
Ensure the hole is exactly 70mm; if the hole is too large, the twist-lock mechanism may not grip the edges of the board securely.
Check the edges of the hole for burrs or jagged plastic/wood; sand the edges smooth to ensure the vent slides in easily.
To install the vent, first identify the correct placement on your soffit board, ensuring you avoid internal rafters or joists. Use a 70mm hole saw to drill the aperture. Once the hole is clear of debris, push the G700BL vent into the opening and rotate it until the locking mechanism engages. For maintenance, periodically inspect the vents from the ground to ensure they remain free of insect nests or debris, especially in spring and autumn. If the black plastic becomes dusty or stained, a simple wipe with a damp cloth is sufficient for cleaning.
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