350 x 350mm Cover Grille To Suit Fire Block (300x300)
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
350 x 350mm Cover Grille To Suit Fire Block (300x300)
Maintaining a clean, professional aesthetic while meeting stringent fire safety regulations is a challenge for any property manager or contractor. This 350 x 350mm Cover Grille To Suit Fire Block (300x300) provides the perfect solution for concealing unsightly wall penetrations and duct terminations. It combines a sleek silver finish with robust construction to ensure your ventilation systems remain protected and visually discreet.
Engineered to perfectly complement a standard 300mm fire block, this item ensures your wall or door integrity is never compromised. By installing this unit, you bridge the gap between necessary airflow requirements and essential passive fire protection, giving you total peace of mind in high traffic commercial spaces or residential dwellings.
Application
- Suitable for 300mm Fire Block
- Interior & exterior use
- Walls, Doors or end of ducts
- Ideal for Offices, Kitchens, Bathrooms and over damp area's
- Work with air filtration & condition systems
- Allows adequate ventilation
- The 20g mild steel construction provides a rigid framework that resists warping or bending under pressure from airflow or accidental knocks.
- The surface mounted design is carefully crafted to sit flush against your wall or door, reducing the risk of impact damage and creating a seamless finish.
- This piece is suitable for both interior and exterior use, as the high quality metal is treated to handle standard atmospheric conditions without premature corrosion.
- The horizontal vane design is precision engineered to allow for bidirectional airflow, ensuring that your ventilation system continues to perform at its peak efficiency.
- Start by ensuring your fire block is securely positioned within the wall or door cavity to provide the base for your installation.
- Position the grille over the central aperture, checking that the horizontal vanes are oriented in the desired direction for airflow management.
- Use the pre-drilled screw fixing points to attach the unit to the surrounding surface, ensuring you use appropriate fasteners for your specific wall or door material.
- Once secured, the grille provides immediate access for future maintenance while keeping the internal fire block safely tucked away from sight.
Unrivalled Durability and Structural Integrity
When selecting hardware for your building, the quality of materials is paramount. This unit is manufactured from high quality 20g mild steel, which offers exceptional resistance to impact and deformation. Unlike plastic alternatives that may become brittle over time, this metal grille maintains its structural integrity even in demanding environments.
From a mechanical physics perspective, the structural design prevents the common issue of component flex. In environments where pressure differentials are present, such as near industrial filtration systems, this grille acts as a stable barrier. The mounting points are pre-drilled to facilitate a secure fix that prevents vibration-induced noise, ensuring the entire assembly remains silent and firmly in place regardless of the air velocity passing through the aperture.
Seamless Operational Workflow for Installation
We believe that hardware should be as easy to install as it is effective to use. The process of integrating this unit with your existing infrastructure is straightforward, allowing for rapid deployment across your facility.
Because the unit is designed for a 300mm aperture while having a 350mm footprint, it creates a generous overlap. This gives the installer a significant margin for error, simplifying the process of covering rough edges or uneven plasterwork surrounding the fire block. This user-centric design reduces the need for secondary cosmetic repairs, saving you time and labour costs during the fit-out phase.
Ergonomic Health, Safety and Compliance
Safety in a commercial environment is non-negotiable. Using this equipment ensures that you remain compliant with building regulations that mandate the use of intumescent fire blocks in wall penetrations. By pairing the fire block with this professional cover, you create a fire resistant barrier that slows the spread of smoke and flames, protecting occupants and property alike.
We highly recommend that you consider the fire rating of your installation. Always ensure that the intumescent fire block is installed directly behind this grille to maintain your building's fire safety integrity.
From an ergonomic standpoint, the maintenance of this item is virtually non-existent. It does not attract dirt as easily as louvred designs that gather dust in hard to reach corners. Furthermore, the solid feel of the construction provides an impression of quality that enhances the professional atmosphere of any office, kitchen, or bathroom. Reducing the visual noise of ventilation holes makes spaces feel cleaner, which positively impacts the mental comfort of staff and visitors in modern workplaces.
Commercial ROI and Long Term Value
Investing in high quality hardware such as this steel grille is a clear win for your long term maintenance budget. While cheaper plastic options may cost less initially, they are prone to cracking, discolouration from UV exposure, and general wear and tear. This 350 x 350mm cover represents a one-time investment that protects your infrastructure for years to come.
By preventing damage to the surrounding wall surfaces and ensuring the fire block is protected from physical interference, this grille serves as an insurance policy for your walls and doors. Durable hardware reduces the frequency of replacement cycles, meaning your maintenance team spends less time replacing broken vents and more time on high value facility tasks. This operational efficiency translates directly into lower overheads for property management firms and business owners.
Technical Specifications
To assist with your planning and procurement, please refer to the detailed technical parameters below. These figures ensure that this product meets the exact requirements of your air filtration or general ventilation project.
| Feature | Specification |
|---|---|
| Material | High quality 20g mild steel |
| Height | 350mm |
| Width | 350mm |
| Design | Surface mounted with horizontal vanes |
| Fixing Method | Drilled for screw fixing |
| Finish | Silver |
Whether you are fitting out a new office block, renovating a commercial kitchen, or simply upgrading your home ventilation system, this unit is the reliable choice for professional results. It offers the perfect combination of aesthetics, protection, and longevity.
Are you still unsure if this ventilator is the right match for your specific project requirements? If you need further clarification or have a unique installation scenario, please contact our friendly team today to discuss your requirements. We are always happy to help you find the perfect hardware for your needs.
Specification
| Manufacturer | AstroFlame |
|---|---|
| Finish | Silver |


