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Air bricks and brickwork ventilation
Weep vents and air bricks (also known as vent bricks) are used to ensure proper air ventilation in walls or underfloor voids. They prevent moisture and damp, and the build-up of dangerous gases like radon, ensuring long-lasting structural integrity.
Whether you're installing cavity wall air vents, using air bricks in solid walls, or adding weep vents for cavity trays, you'll find what you need on Buildbuddy.
We’ve got a wide range of air brick ventilation options to suit your project, including weep hole vents, and plastic, terracotta and clay air bricks. And we also list and cavity liners for air brick ducting, should you need them.
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Air brick and weep vent FAQs
1. How do I know if I need air bricks for my project?
Brickwork ventilation like air bricks will normally be detailed on construction drawings, with details of the siting and numbers needed to create air movement.
2. Where can I find the UK building regulations for air bricks?
The relevant building regs for underfloor ventilation depends where you’re building:
- If your project is in England, you can find details in Building Regulations, Approved Document C.
- There’s a different version of this document for projects in Wales: Building Regulations, Approved Document C (Wales).
- For projects in Scotland, consult the Building regulations handbooks linked here. Note: there are new technical handbook documents from January 2025.
- You can also consult the NHBC standards.