Large Custom Mount made to your specifications. We only accept sizes in MM. One Window.
We are able to accept orders for custom mounts, just supply us with the required information in the yellow boxes for both the outer and inner (window) size you would like us to cut for you - only one window (aperture) allowed. Please ensure you have carefully measured your sizes and input them carefully as we cannot accept returns for custom made mounts unless they are faulty. Please ensure your window measurments are less than your outer size when inpuitting - allowing for enough border width to show through. For large mounts please allow at least 50mm ( 2 inches) for each side.
Important Information to Note When ordering.
When ordering a custom mount for a frame you will need to measure the inside size of the frame to determine the mount outer size (red arrows). This is also the same as the glass / backing board size. The aperture size (yellow arrows) is the visible area that your image will show through. Please see the following picture which shows where on the back of a typical frame you need to measure.
When deciding on the size of the mount border (frame front view) remember that the total size of this is both sides added up - so you will need to give accurate sizes for the inside aperture (hole) cutout and include both borders in your calculations. Also remember that part of the mount will be hidden underneath the frame so will not be visible.
When selecting the aperture (inside mount hole size) size you may need to allow a few extra mm in order to attach your image / picture to the mount. (if you select the option 'to fit' we can d this for you - normally 4-5mm is added but can be slightly more for larger mounts).

If you are unsure please contact us first for advice.
We can supply these in a selection of colours using 1400 micron (1.4mm) white core mountboard (acid free Ph Neutral)
- Custom Made to your sizes
- Bevelled or straight outer edge
- Selection of Colours
- 1.4mm Whitecore Mountboard
- Standard range white core acid free, ph neutral mount board
- Professional bevelled edge
For smaller sizes upto 510mm please use our standard custom creator.
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White Backboard Packs
- Product Code: backcon02P
- Availability: In Stock
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£2.48
- Ex Tax: £0.40

