Vision Panels and Portholes Our range of vision panels are all manufactured in our UK based factory and are ideal for commercial applications in offices, hospitals, schools and elsewhere, where vision or light is required through doors and panels. Their robust design means they will cope with everyday use. They can be customised to your requirements and are available both non fire rated glass and fire rated glass in a range of finishes. Please view individual products for specific details. The can be bespoke manufactured to dimensions required and are manufactured to your required panel/door depth.