Illbruck AW430 PVC-u window frame cleaner, 1 litre: a fast-acting solvent cleaner to rejuvenate the colour of PVC-u frames, cladding and guttering. The solvent solution is suitable for interior and exterior surfaces and removes ingrained dirt, leaving no residue. To use, apply the cleaner and wipe it off. Regular cleaning of PVC-u frames, cladding and guttering helps keep them looking fresh. Test on a small, hidden area first, follow the manufacturer's instructions on the label, and use in a well-ventilated area. Always wear suitable gloves when using solvent products.