Soudal All Purpose Silicone For all sealing, waterproofing and bonding applications where protection against mould and mildew is required. The ultimate all rounder silicone suitable to the broadest range of applications. Offers strong adhesion to ceramics, glass, aluminium (including powder coated & anodised), PVC, stainless steel, zinc & galvanised coated surfaces, timber, concrete, fibreglass, laminate, painted surfaces, etc. For best performance clean non-porous surfaces with Soudal Cleaner & Degreaser