https://www.repairmywindowsanddoors.co.uk/wythenshawe-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 the development of mildew and mould. Fortunately they can be repaired. But first you'll need to cleanse the pipes free of any rust or paint using a wire brush. Once the pipes are clean then you'll need to evaluate the extent of the damage. Caulking Although caulking isn't a long-lasting fix, it's often sufficient to prevent further damage and ensure that rainwater is flowing. You can find mortar caulking at a variety of hardware and home improvement stores. It's used to seal gas in bricks, stone and metal, as well as for repairing foundation cracks and fissures in basements as well as sealing leaks around doors and windows, and it can also be applied to cast iron pipe joints. If you apply caulking, make sure to get rid of any paint or rust from the area prior applying the new sealant. You can employ a wire brush or scraper to accomplish this, but be careful not to scratch or cut the pipe. Also, you should wear gloves when working with caulking, as the chemical compound may irritate your skin. To prepare the area to be cleaned, employ a wire scraper or wire brush to clean any debris and rust from the pipe joint. Masking tape should be positioned on either side of the area for clear lines to be used when caulking. The tip of the caulk tube should be cut at 45 degree angles. Then, fill the caulk gun with a small amount the compound. Apply it to the joints and gaps that you want to repair. It is recommended to employ a caulking tool that has a consistent speed and pressure in order to apply a smooth, even bead. After you've applied the caulking take at minimum six hours before you use the downpipe once more. This allows the compound to completely dry and provide a the strongest, longest-lasting seal. Although most people can perform