3mm Acrylic Perspex Sheet-Clear-1025mm x 1525mm
Sheet Size: 1025mm x 1525mm
Sheet Thickness: 3mm
Sheet Colour: Clear
Light Transmission: 92%
Impact Resistance: Up to 10x stronger than glass
Clear acrylic perspex sheet is lightweight, shatter-resistant, and highly transparent. Suitable for secondary glazing, greenhouse panels, balcony privacy screens, and shopfitting displays. Our PLEXIGLAS® branded sheet carries a 30-year no-yellowing guarantee.
Free cut to size on square and rectangle cuts.
3mm Clear Acrylic Perspex Sheet — 1025mm x 1525mm
Acrylic, perspex, and PLEXIGLAS® all refer to the same material — PMMA (polymethyl methacrylate). “Perspex” and “PLEXIGLAS®” are brand names; “acrylic” is the generic material name. Where we supply PLEXIGLAS® branded sheet, it carries the industry's leading 30-year no-yellowing guarantee.
About This Sheet
This 3mm clear acrylic perspex sheet is one of the most versatile thicknesses for home and commercial use. It offers a significant step up in rigidity over 2mm while remaining easy to cut and work with. It transmits up to 92% of visible light and will not yellow over its lifetime. Where we supply PLEXIGLAS® branded sheet, it carries a 30-year no-yellowing guarantee, backed by NATURALLY UV-STABLE technology built into the full depth of the material.
Typical Applications at 3mm
Secondary glazing: 3mm acrylic perspex sheet is an excellent choice for DIY secondary glazing systems. It reduces heat loss and condensation without the weight or fragility of glass. When used with our magnetic tape secondary glazing kit, 3mm is recommended for pane areas up to 1.5 sq metres. For larger panes, 4mm is a better choice. See our secondary glazing installation guide for full fitting details.
Greenhouse glazing: Lightweight, shatter-resistant, and highly light-transmitting, 3mm acrylic is a practical glass replacement for greenhouse panes. Unlike glass, it will not shatter if impacted.
Balcony and privacy panels: Clear 3mm acrylic perspex can be used to create wind-deflecting or privacy panels for balconies and terraces. Read our guide on acrylic balcony privacy screens for design and fitting advice.
Shopfitting and displays: Counter guards, display shelves, menu holders, and product displays all make use of 3mm clear acrylic for its optical clarity and ease of fabrication.
Signage: Rigid enough to be routed or laser-cut for indoor signage and lettering, 3mm is a standard sign-making thickness.
Technical Specifications
| Material | Clear acrylic (PMMA) |
| Thickness | 3mm |
| Colour | Clear |
| Sheet Size | 1025mm x 1525mm |
| Light Transmission | Up to 92% |
| Impact Resistance | Up to 10x stronger than glass |
| UV Stability | Naturally UV-stable through and through (no surface coating) |
| Guarantee | 30-year no-yellowing guarantee (PLEXIGLAS® branded sheet) |
| Finish | High gloss both sides |
We offer a free cut to size service on straight square and rectangle cuts. CNC cutting for shapes, edging, and polishing is available through our fabrication team — call 01 801 0022 or email [email protected].
Useful Guides
- How to Cut Acrylic Perspex Sheet — scoring, sawing, and finishing techniques
- How to Install Acrylic Secondary Glazing — step-by-step fitting guide
- Acrylic Balcony Privacy Screens — design and installation
- Installing Acrylic Perspex Sheets — expansion gaps, fixings, and edge finishing
- Polycarbonate vs Perspex vs PLEXIGLAS® — which material is right for your project?
| Acrylic Sheet Colour | Clear |
|---|---|
| Acrylic Sheet Thickness | 3mm |
| Acrylic Sheet Size | 1025mmx1525mm |






















