https://www.repairmywindowsanddoors.co.uk/richmond-guttering-and-downpipes-near-me/ Repairing Leaks From Cast Iron Downpipe Joints Leaks from downpipe joints made of cast iron can be a major issue. They can cause water damage and encourage the growth of mildew and mould. Fortunately the pipes can be fixed. However, first you'll have to cleanse the pipes of any paint or rust with wire brushes. Once the pipes have been cleaned, you will need to determine the extent and type of damage. Caulking While caulking isn't an all-time fix, it's often sufficient to stop further damage and keep rainwater flowing. The majority of hardware and home improvement stores have mortar caulking. It is used to seal gas in bricks, stones, and metals to repair foundations and fissures and stop leaks around doors and windows. If you are using caulking, be sure to remove any loose paint or rust from the area before applying the new sealant. If necessary, you can employ a scraper or wire brush to get rid of the paint or rust. Be careful not to cut or scratch the pipe. Wear gloves when working with caulking because the chemical compound can cause irritation to the skin. First, prepare the area for the application of caulking by cleaning it using a scraper or wire brush to get rid of any debris or rust that's stuck to the pipe joint. Masking tape is placed on either side of the joint to ensure that there are no lines left when you apply the caulk, and the tip of the caulk tube should be cut at a 45-degree angle. Then fill the caulk gun up with a small amount the compound. Apply it to the joints and gaps you'd like to repair. You should use a caulking tool with constant speed and pressure to apply a smooth, even bead. After you've applied the caulking, ensure that you wait at minimum six hours before you use the downpipe again. This will allow the caulking to completely dry and create a an extremely durable seal. Although the majority of people are able to complete some work themselves to maintai