Cladco WPC Structual Joist (4m length)Elevate your decking or cladding project to new heights with Cladco Structural Joistsengineered for external wall cladding or decking with a focus on reduced materials for a lighter yet robust construction. These structural composite joists, measuring 4000mm x 100mm x 50mm, provide a wide supporting surface for the base of your project, ensuring the correct positioning of your deck boards or cladding. Crucially, they establish a strong foundation,