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Light Diffuser

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Take the edge off bright fluorescent and LED lighting by diffusing the light in your workspace or home. Installing new, or replacing old, light diffusers cuts down discomfort on the eyes, alleviating headaches and stress.

With uniformity of diffusion, our opaque light diffuser sheets allow only 37% of light to pass through, making it an ideal option for controlling your light. This is an excellent way to disperse light in a room without creating glare from light sources.

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Min: 100mmMax: 3050mm
Min: 50mmMax: 2030mm

Approximate Weight: 17.85 g

Free delivery when you spend £250+

Estimated delivery: from Check My Postcode

Collect from BN5 9XR: -

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When placed in a work environment, it can also soften the room, creating an easier atmosphere for the eyes, causing less strain throughout the day.

In addition, with its acrylic properties, our sheets are incredibly durable, as they are shatterproof, and both scratch and impact resistant. The sheets are also made from UV stable acrylic, meaning that in time, the sheets will not deteriorate or turn yellow.

As well as using light diffusers for home and office settings, we are additionally available to accommodate a range of coloured light diffusers, which can be used for signage and retail display. Our acrylics are fully customisable for your measurements and can be altered to specified around any current fittings.

Our acrylic light diffusers are available in a number of different thicknesses so they will fit safely securely in the light fittings’ current configuration. They are lightweight, shatterproof and impact-resistant, meaning that they are safe to install overhead.

Our plastic light diffusers are perfect to use with the latest LED lighting solutions as well as older fluorescent lighting in the home and office. Because they are made from UV stable acrylic they won’t yellow with age and help reduce LED ‘hotspots’.

Key Features

Opal Diffused

Allowing only 37% of light to pass through, our opal acrylic sheet limits light masterfully and evenly to allow you full control of where, and how your project will be illuminated.


Ten times stronger than glass, opal acrylic sheets are shattered resistant, as well as long-lasting making them ideal for use in both indoor and outdoor projects. You can expect at least 20 years of continued use from your opal acrylic sheeting without showing signs of deterioration.

Weather Resistant

With both UV and weather resistance, opal acrylic can withstand the most severe of weather conditions, making them fantastic alternatives to glass windows where you wish to diffuse light.


Opal acrylic weighs half as much as an equivalent glass pane, making installation, transportation, and handling an easier, and more attractive option.


Opal acrylic is easy to fabricate and can be cut, drilled and shaped to any requirements, so it’s a flexible material to work with. The cut surfaces can be polished and sanded easily for a more professional finish to your sheeting.


Opal cast acrylic sheets are equally easy to clean, with just warm soapy water and a microfibre cloth needed to ensure a hygienic finish.


Opal cast Perspex® sheets can be recycled all the way back to the original raw material, the monomer. We additionally offer 100% recycled acrylic sheets in 3, 5 and 10mm thickness for those wanting to reduce their environmental damage.


Material Acrylic
Light Transmission 37%
Finish Opal
Available Thicknesses 3mm, 5mm, 10mm
Maximum Sheet Size 3050mm x 2030mm
Minimum Sheet Size 100mm x 50mm
Fire Rating UK Class 4 Fire Rating
Water Absorption 0.3%
Manufacturers Tolerances +/- 10% plus 0.4mm (e.g. 5mm cast sheet could vary from 4.1mm to 5.9mm)
Cutting Tolerances +/- 1mm

Frequently Asked Questions

What material is best for diffusing light?

With uniformity of diffusion, our opaque acrylic sheets allow only 37% of light to pass through, making it an ideal option for controlling your light. 

What is a diffuser sheet?

A light diffuser sheet masterfully limits the amount of light easing how it impacts eyes throughout the day. Light diffusers can also be used in photography by softening the direct light giving a smoother image.

What can I use instead of a diffuser?

Depending on how you intend to use a diffuser, and the light source you’re diffusing, we would suggest using something opaque. Alternatively, you could rather bounce the light off a pale surface to diffuse it which is often used in photography.

What is the function of a diffuser in front of a powerful light?

When placed in front of a light source, a diffuser allows the light to pass through the sheet, however, some light rays will be bounced within the sheet, refracted, and redirected out of the sheet from a new angle, giving a softer light output.

What is a light diffuser for photography?

Photography masterfully manipulates light to create dynamic highlights and shadows, however, sometimes even the most skilled photographer will need to diffuse the harsh light to allow for a clearer image this can be done with softboxes or reflectors.

Delivery depends on the size of your order


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5 / 5 2 reviews
D B Charles, 21st May
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very good product exactly what i wanted
Verified, Collected by Cut My
Rachael Padman, 4th August
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I wanted an additional diffuser for a lightbox, and this was exactly right, and gives a very uniform illumination.
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