How to Deal With Leaking Downpipe Repair
If a downpipe is leaking it is essential to eliminate the obstruction and replace the damaged section of pipe as quickly as you can. Epoxy putty can be used to repair most types of downpipes.
Clean the area first, and remove any loose paint or rust, as well as any other debris. Cut a length of tape and wrap the joint in it, making sure the ends overlap.
Clean the area
The first thing to do following a leak is to get rid of any water and then clean the area. Utilize a wet vac to eliminate any standing water and then clean the floors and walls affected by the leak. This will also help to stop the growth of mould and mildew which can happen if the affected area is not properly dried.
The next step is to look for blockages. Downpipes that are blocked can cause water to overflow and run across the sides of your property, causing damage to walls, guttering, driveways and foundations. Leaves, twigs and debris in your downpipes or guttering can cause blockages by preventing water from flowing freely, and ice in colder temperatures can also restrict the flow of water.
In some instances, the downpipe that's leaking may simply be blocked. It is possible to get it out using an hosepipe and wire or drain rod. However, it is a good idea to conduct regular cleaning of your guttering system and downpipe to avoid the build up of dirt which can cause blockages.
If you are unable to clear the obstruction, it is likely that the area of downpipe below the leak has been damaged and may require replacement. This will involve removal of the old downpipe and replacing it with a new one, using fittings and connectors.
Wear safety glasses and rubber gloves before you begin repairing the downpipe. If you're working from a height, always use a solid ladder and ask someone to support you. If you are unable reach the downpipe without assistance, it is a good idea to have someone stand at the base of the ladder and hold the hose and turn the flow on to flush out the downpipe and clear any clog. This will allow you work starting from the top downpipe and make sure you don't miss any areas that require repair. If the clog persists, it is best that you take the hose off the downpipe, and then use the plumber's snake to remove the obstruction.
Repair the joint
It's best to start any plumbing repair by locating the leak. The next step is to clean the area and make sure it's dry. This will ensure that the sealant adheres properly. Turn off the water supply near the leaky portion of pipe prior to beginning.
This is particularly crucial if the downpipe is supplying potable water. You don't want to work with wet pipes!
Leaks in the downpipes are typically caused by the joints. The joins are often exposed to harsh weather conditions and dirt and debris.
Once you've dried and cleaned the area, cut a piece of tape that is approximately one centimetre longer than length of the leak. Remove the backing paper and wrap the tape around the joint. Once the tape is in place, apply ample amounts of roof and gutter sealing compound to both sides of joint. Press the joint firmly to ensure a good seal.
If the leak is coming from a cast-iron downpipe it is possible that one of the fixing screws or nails could have become loose. Replace the screw with a galvanised one. Alternatively, the downpipe could be leaking because of a defective wall plug. If the leaking downpipe is plastic, it could be that the retaining clip has worked loose and needs to be replaced.
PEX leaks are usually caused by a crimped connection that doesn't fully seal. A PEX crimping tool and a test gauge that is usually part of the tool are able to fix this problem.
Additionally, epoxy putty is another option for leaky downpipes, since it can be molded into a sausage shape to fit the pipe joint. Just wipe the pipe's surface to ensure that it is dry, apply the putty to the affected area, ensuring to fill the entire crack or hole.
If the downpipe that is leaking is causing extensive damage your home, or preventing rainwater from entering your house, it's worth calling in an experienced plumber for a hassle-free and cost-effective solution. It is also important to maintain your gutters on a regular basis to avoid problems in the future, like leaks from the downpipe.

Seal the joint
Leaks can develop at joints of your downpipe, particularly when it's constructed of different materials. Make sure Guttering Specialist burgess-hill are clean to avoid blockages which could block water flow freely, and cause damage.
Regular cleaning can help you detect problems earlier and preventive action is necessary. However, sometimes things happen and a quick fix is needed to stop leaking. There are a few items that can be used to make an interim seal.
First, clean the area around the leak to remove dirt and loose paint. Dry the area and score it with sandpaper. This will prepare it for the repair compound. Mix the components of the putty and knead the mixture until it's soft enough to mould to the damaged area. Overlap the edges of the putty and press it firmly on the leak. Cover the repaired area and then wait for a few minutes, or as instructed in the product instructions until the cast is hardened.
Leaking downpipe joints can be repaired using clamps for pipe repair, which are available in a variety of sizes to match your gutter width. These devices make use of a metal band with a rubber gasket secured with bolts to temporarily repair leaks at the end of a pipe or along its length. Simply unscrew the bolts holding the clamp and place it on the joint that is leaking, then tighten the bolts to compress the gasket of rubber against the pipe.
A rubber pipe connector or repair sleeve is a different solution to fix leaky downpipe joints. They are flexible and can be wrapped around a leaky joint. They are compatible with polyvinylchloride (PVC). Self-fusing tape can be used to create a compression seal which can withstand water for up to three years if applied correctly.
A damaged crimp is often the cause of leaks in PEX (pressurised Ethylene) pipes. These leaks are more tricky to repair, but they are able to be remedied using specially designed tools. You'll require a specialized Crimp tool that comes with the test gauges, known as a "go/no-go" gauge that's size is a reflection of the dimensions of your PEX pipe. If the crimp has failed, simply re-crimp it with the correct tool.
Clear the blockage
Blocked downpipes are the most common cause of water damage to homes. They can lead to flooding, damp walls, and roof damage. To prevent further damage, it's important to clear any obstruction as fast as possible.
If you have a blocked downpipe, the initial thing to do is shut off the water supply. Get rid of any debris in the area around the gutters that could block the pipe. Wear rubber gloves and dust masks to shield yourself from any corrosive substances.
Using a garden hose to spray water through the downpipe will help clear any obstructions. If this doesn't work, consider using a plumbing snake. These can be purchased from the internet or at a local hardware store. Certain are designed specifically for downpipes and come in a variety of sizes. Drain snakes are particularly useful when there is a lot of debris blocking the flow of water.
You can also unblock the downpipe by using a rod or wire. Also, be aware of sharp objects and make sure that you are standing on a sturdy ladder. Before you begin, turn off any electrical fittings, fixtures, or cables that are close to the downpipe. Wearing safety goggles, rubber gloves and safety glasses are recommended.
A build-up of water along the wall and at the bottom of gutters is a further sign of a clogged downpipe. This could cause dampness and lead to the growth of mould. You can prevent this from happening by cleaning your gutters, drainpipes, and trimming overhanging branches.
Downpipes that are blocked can be extremely difficult to clean and it is essential to get them cleaned as quickly as you can to avoid damage to your home. If you don't want to or have the time to clean your own downpipe, it might be worth hiring an expert. They will have the necessary tools and expertise to deal with more complicated blockages and offer a quick, efficient solution. They can also provide advice on how to keep downpipes clean in order to reduce the risk of future blockages.