4mm Correx Protection Board is a twin-wall fluted polypropylene board that has been the trusted choice for temporary protection applications since 1974. Widely used across construction sites, this dependable material protects floors, walls, doors, windows, and ceilings in both indoor and outdoor environments. It also serves as formwork for concrete construction work.
Thickness: 4mm
Width: 1220mm
Length: 2440mm
Coverage: 2.98m2
Weight of 1m2: 0.35kg
Weight: 0.80kg
4mm Correx boards suit countless internal and external uses. They excel at temporary protection, guarding floors, walls, doors, windows, and ceilings.
Available in thicknesses from 2mm to 5mm, with durability and impact resistance improving as thickness increases.
Beyond the standard option, 4mm Cordek Correx comes in specialist versions:
Standard Version: Suited to everyday protection needs.
Flame Retardant Version: Carries full LPCB accreditation for superior fire safety standards.
Anti-Static Version: Engineered for demanding applications in sensitive settings like Nuclear Power Stations.
4mm Correx delivers tailored solutions for different requirements:
Standard Version: Perfect for routine protection tasks, these insulation boards come in standard 2440mm x 1220mm dimensions. Multiple colour choices are available as shown in the 4mm Correx Specification Table.
Flame Retardant Version: All flame retardant options are fully LPCB certified. For further details, contact the InsulationBee sales team. Standard board size is 2440mm x 1220mm.
Anti-Static Version: Designed for highly sensitive environments including Nuclear Power Stations, this specialist anti-static board maintains surface resistivity of 10^11Ω/m2. Supplied in standard 2440mm x 1220mm sheets.
Browse our Cordek range and use the left-hand filters to sort by thickness or coverage. For advice on product suitability for your project or to request a quantity discount quotation, call +4402038839057, email sales@insulationbee or use Live Chat - Lowest UK Insulation board Prices.











