https://www.repairmywindowsanddoors.co.uk/leeds-guttering-and-downpipes-near-me/ Repairing Leaks From Cast Iron Downpipe Joints Leaks from cast iron downpipe joints could be a serious problem. They can cause water damage and encourage mould and mildew growth. Fortunately, these pipes can be repaired. First, you'll need a wirebrush to clean any paint or rust from the pipes. When the pipes are clean, you'll need to assess the extent of the damage. Caulking Although caulking isn't a long-lasting solution, it's usually enough to prevent further damage and keep the rainwater flowing. You can find mortar caulking at most hardware and home improvement stores. It is used to seal gas pockets in bricks stone, metals, and bricks as well as repair foundations and fissures and stop leaks around windows and doors. Before applying caulk remove any loose paint or rust. If you need to, employ a wire brush or scraper to get rid of the paint or rust. Be careful not to cut or scratch the pipe. Wear gloves when working with caulking since the chemical compound may cause irritation to the skin. To prepare the area for caulk application, employ a wire scraper or wire brush to get rid of any rust or debris from the pipe joint. Masking tape should be placed either side of the space to allow clear lines to be used when caulking. The tip of the tube of caulk should be cut at 45-degree angles. Then, fill the caulk gun with a bead of the compound and apply it to the joints or gaps you'd like to repair. When using a caulking gun, you should be consistent with your speed and pressure to apply a smooth, even bead of the material to the joints or gaps. Once you've applied the caulking, wait at minimum six hours before you use the downpipe once more. This will allow the caulking to completely dry and create a a durable seal. Although the majority of people are able to do some of the work themselves to maintain their gutters and downpipes, it is advised to leave more significant repairs to profession