To create a sealed and flush joint, it is recommended that installers use the brand's own silicone sealant which boasts optimum workability so installation should be quick and easy. Looking to add extra elements to your current drainage system? The Zinc Gutta spigot has been specially designed to be retro-fit to enable you to make adaptations to your guttering without any complications or great expense. Often used when your gutter is being overworked and the amount of rainwater running through the system is proving troublesome, the spigot allows the additional parts to provide structure and stability to ensure you are achieving the most effective drainage.