Black Marble Cladding. Bring a touch of style and elegance to your bathroom. Super Paneling PVC bathroom cladding is our own brand and has been since 2000. It took years to develop the best combination of PVC content, weight and thickness. SP Panels are the fitters choice as they are strong and good to work with. SP panels are 8mm thick, 2.7kg per sq metre and have a minimum PVC content of 50%. 2.6m x 25cm Wide. 4 panels = 1 linear metre.