https://www.repairmywindowsanddoors.co.uk/redbridge-guttering-and-downpipes-near-me/ Repairing Leaks From Cast Iron Downpipe Joints Leaks from downpipe joints made of cast iron could be a serious problem. They can cause water damage and encourage the growth of mildew and mould. Fortunately the pipes are repairable. But first you'll need to clean the pipes of any rust or paint with a wire brush. Once the pipes have been cleaned, you'll need to assess the extent and severity of damage. Caulking Although caulking isn't a long-lasting fix, it's often enough to stop further damage and keep rainwater flowing. Most hardware and home improvement shops carry mortar caulking. It's used for sealing gas in stone, bricks and metal, as well as for repairing foundation cracks and fissures in basements as well as preventing leaks around windows and doors, and it can also be used to seal cast iron pipe joints. If are using caulking, make sure to remove any loose paint or rust from the area before applying the new sealant. You can make use of a scraper or wire brush to accomplish this but be careful not to scratch or cut the pipe itself. Wear gloves when working with caulking because the chemical compound can irritate the skin. To prepare the area, employ a wire scraper or wire brush to get rid of any rust or debris from the pipe joint. Masking tape can be put on either side of the area to ensure that there are no lines left when applying the caulk. Additionally, the tip of the caulk tube should be cut at a 45-degree angle. Then you can fill the caulk gun with a small amount of the compound. Apply it to the gaps and joints that you want to repair. You should employ a caulking tool that has a constant speed and pressure in order to apply a uniform, smooth bead. It is recommended to wait at least six hours after applying the caulking prior to using the downpipe. This will allow the compound to dry completely and create an impervious seal. Although the majority of people can do some of