Preparing your shower for tiling is easy with the Wedi Shower System and its related functional and practical accessories. The Wedi Sealant Gun allows you to build a waterproof base for your shower and customize it exactly how you want. This gun makes applying Wedi Joint Sealant easy and clean and is compatible with both sizes of sealant tubes. Instead of replacing the whole gun, use this Wedi Sealant Gun Replacement Tip to ensure a smooth application.