Access panel sizes can seem overwhelming, and you may be wondering which is best for your project. INSULATION SUPERSTORE’s guide breaks these down in an easy-to-read table. The x’s represent the lengths and widths available in a single product.
Table of contents
- Access panels in the UK
- Small access panels
- Medium access panels
- Large access panels
- Table of access panel sizes
Access panels in the UK
Access panels from Timloc and Manthorpe come in a range of convenient sizes both square and rectangular. Fire-rated steel access panels with up to 60 minutes of protection can be found in most of these sizes.
Access panel sizes in the UK vary depending on the specific application and the area they are meant to cover. When choosing an access panel size, it’s important to consider factors such as the dimensions of the space it needs to fit into, the accessibility requirements for maintenance or repairs and any building regulations that may dictate minimum sizes for access panels in certain areas.
Small access panels
Small access panels are generally considered anywhere between 100mm x 100mm and 300mm and 300mm. They can be used for applications such as:
- Electrical boxes
- Cable access points
- Small valves
Medium access panels
These can range anywhere between 300mm x 300mm to 500mm x 500mm. Their applications include:
- HVAC duct access
- Plumbing, valves, and water meters
- Electrical fuse boxes
Large access panels
These cover anything that measures above 500mm x 500mm and can be used on the following:
- Loft access
- Electrical junction boxes
- In tiled areas to access pipework, like under baths and behind bathroom walls
Additionally, the size should allow for easy access while still providing sufficient coverage for the intended purpose.
Access panels come in both picture frame (left) and beaded frame (right) edging so you can blend the access panel into plaster for a cleaner finish or opt for a picture frame finish.
Table of access panel sizes
| Length | Width | |||||||||||
| 100mm | 150mm | 200mm | 250mm | 300m | 350mm | 450mm | 500mm | 550mm | 600mm | 650mm | 950mm | |
| 150mm | X | X | X | |||||||||
| 200mm | X | |||||||||||
| 250mm | X | |||||||||||
| 280mm | X | |||||||||||
| 300mm | X | |||||||||||
| 350mm | X | |||||||||||
| 450mm | X | |||||||||||
| 500mm | X | |||||||||||
| 550mm | X | |||||||||||
| 600mm | X | |||||||||||
| 650mm | X | |||||||||||
| 950mm | X | X | ||||||||||
| 1250mm | X |
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