Manthorpe Airbrick - Beige - G930-BF
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Product Information
Full details
The Manthorpe G930-BF Airbrick is an essential ventilation solution for builders and homeowners looking to ensure proper airflow into cavity walls and under-floor voids. It is specifically rated for use with gas appliances, offering a reliable 6450mm2 of airflow per unit. While it provides excellent structural integration and modular versatility, it is important to note that the unit requires permanent mortar fixing, making it a more permanent solution than surface-mounted vents.
All features
| Colour | Beige |
|---|---|
| Model Part Number | G930-BF |
| Brand | Manthorpe |
Extended Product Information
FAQs
Is the Manthorpe G930 suitable for gas appliances?
Yes, this airbrick is specifically designed to meet ventilation requirements for gas appliances.
Can I combine these to make a larger vent?
Yes, the modular design allows you to clip units together to create 9 inch x 6 inch or 9 inch x 9 inch ventilation blocks.
What is the airflow capacity of a single unit?
A single unit provides 6450mm2 of airflow.
Does this vent prevent water from getting in?
Yes, the front-mounted grille includes integrated water deflectors designed to stop wind-driven rain from entering the wall cavity.
How do I secure the airbrick?
The unit features a surrounding mortar key, which should be bedded into the mortar during the bricklaying process for a secure fix.
What is the colour of the G930-BF?
This specific model (G930-BF) is finished in a beige colour.
Troubleshooting
Airflow seems restricted
Check the exterior grille for blockages such as debris, dirt, or nearby overgrown plants.
Difficulty joining units
Ensure the plastic clip-lock tabs are clean and aligned correctly before applying pressure to snap them together.
Loose fit in wall
Verify that enough mortar has been applied to the mortar key surface to create a solid bond with the surrounding bricks.
Pros and Cons
Pros
- Suitable for gas appliance installations
- Modular design allows for custom sizing
- Built-in water deflection protects against moisture ingress
- Durable construction ensures long-term stability
Cons
- Requires professional mortar installation
- Cannot be easily relocated once set
- Limited to specific wall cavity applications
Setup, Compatibility & Care
Installation should be carried out during the bricklaying process. To install, position the unit within the desired course and apply mortar around the integrated key to secure it firmly to the building fabric. If a larger ventilation area is required, align the clip-lock mechanisms to join multiple units before mortaring. To maintain the unit, simply ensure the grille remains free of debris such as leaves or garden waste. Periodic inspection of the grille is recommended to ensure the airflow remains unobstructed, especially in areas with dense vegetation.