How to Fix a Leaking Gutter

Written by Kim Jackson
Kim Jackson
Writer
I have a bachelor's degree in Journalism, which I studied in both the UK and USA. I've been a freelance writer for over eight years and have experience working with many large brands. My experience in writing is over a wide range of different niches, and I've specifically worked in the DIY and trades section for nearly two years. My favourite thing about freelance writing is working wherever I want as I love travelling and discovering new places and cultures.
4th December, 2025
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Are you looking for a guide on how to repair leaking gutters? This article explains how to successfully repair leaking gutters. We will highlight all of the tools, materials and safety equipment needed to complete this type of job, and we will provide a step-by-step guide on how to repair leaking gutters yourself.

Leaking gutter

What Tools Do I Need to Fix a Leaking Gutter?

There are several tools that you will need to successfully repair a leaking gutter. Below is a list of the tools that you should have before attempting this job:

  • Ladder
  • Scoop
  • Bucket
  • Hook for the bucket
  • Dustpan brush (if necessary)

What Safety Equipment Do I Need to Repair a Leaking Gutter?

There are a number of recommended safety precautions that you should take when repairing guttering. Below is a list of the safety recommendations that you should use for this type of job:

  • Always have someone holding the bottom of your ladder in place so that it remains secure for the entire job.
  • Never attempt to climb a ladder or do this type of work while it’s windy.
  • Heavy-duty work gloves to protect your hands while handling dirt and debris.
  • Always move the ladder along with you and never attempt to over-stretch to reach further.

What Materials Do I Need to Repair a Leaking Gutter?

Below you will find a list of all of the materials that you will need to repair leaking gutters:

  • Gutter guard or mesh covering
  • Sealant (if necessary)
  • Replacement guttering brackets (if necessary)

How to Prepare for Repairing a Leaking Gutter

Check the weather before committing to do the job as climbing a ladder when it’s wet and windy can be dangerous.

Erect your ladder in place and ensure that it's on a level surface and propped up against a secure wall. When working at height it's always a good idea to have someone at the bottom of the ladder to hold it in place while you repair the guttering.

You should also hook a bucket close to the top of the ladder, so you can place any loose debris into it while keeping your hands free and without making a mess.

How to Repair a Leaking Gutter Yourself — Step-by-Step Guide

Keeping on top of maintaining your guttering and rainwater pipes will help increase their lifespan. You should aim to periodically remove blockages, replace any broken brackets or clips, and check all the joints are secure. We would recommend doing this at least once a year to increase the lifespan and durability of your gutters.

If you are planning on repairing a leaking gutter yourself, follow the below guide. This step-by-step guide will take you through everything you need to do if you want to fix your leaking gutter.

Step 1

Once you have checked the area for any underlying cables or pipes, and if you need to lay any new guttering create a layout for your path using pegs and strings, so you know exactly where it is going.

clean gutter 1

Step 2

Wear heavy-duty gloves and clear out any visible dirt or debris from the gutter. A great tip here is to use an old plastic bottle and cut off the bottom to use an ideal scoop for removing the larger pieces of debris. Place all of the dirt and debris into your bucket once it has been removed from the gutter.

clean gutter 2

Step 3

Move the ladder as you go along the gutter and continue to remove the dirt and debris across the entire length of the gutter. Avoid over-stretching as this could cause injury, or you may fall.

clean gutter 3

Step 4

As you go along, be sure to check the state of your gutter in each area to make sure there are no cracks that need sealing and to make sure none of the brackets need to be repaired if your guttering is sagging.

clean gutter 4

Step 5

When clearing out the downpipes, you will need to use a rod to push all of the leaves, dirt and debris out.

clean gutter 5

Step 6

Once all of the dirt has been removed from your guttering and downpipe, be sure to place it on your compost heap or in the garden waste bin.

clean gutter 6

Step 7

If you noticed during the job that some repairs needed to be done, you can do these now. You can seal cracks simply with a sealant repair kit. Broken or loose brackets will either need to be tightened or replaced on a like for like basis to ensure your guttering is level.

clean gutter 7

Step 8

To protect your downpipe, you can install a gutter guard or mesh covering to prevent leaves and large debris from entering the pipe and getting stuck.

clean gutter 8

What Will Happen if I Don’t Repair My Leaking Gutter?

There are a number of things that can happen if you leave your leaking gutter without repairs. Below is a list of things that can come as a result of leaving your leaking gutter:

  • Damage to the roof and fascia
  • Water pooling near the foundations of your home
  • Water gathering along the edges of your home
  • Stains on brickwork and concrete
  • Cracked or water-damaged driveway
  • Damage to landscaping and garden
  • Rotted porch or decking areas
  • Soil erosion
  • Standing water
  • Gutter pieces may fall off

FAQs

Should I Replace or Repair Guttering?

Whether you choose to have your gutter replaced or repaired is completely up to you. Repairing your gutters is a much more budget-friendly option although it might not always be a long-term solution. A leaking gutter that is repaired with sealant may only last for a few years before it needs to be repaired again.

What Type of Sealant Should I Use for a Leaking Gutter?

For most gutter repairs, a waterproof silicone or polyurethane sealant designed for outdoor use is recommended. As well as being water-resistant, they can adhere well to plastic and metal gutters, while providing a durable and long-lasting repair for cracks and leaks.

Can Leaking Gutters Cause Damp Inside My Home?

Yes, leaking gutters can lead to damp issues inside your home due to rain running down external walls instead of being directed away from the property. It can then penetrate brickwork and cause moisture to transfer indoors which may eventually result in mould, peeling paint, and damage to internal plaster.

How Long Do Gutters Last?

As a general rule of thumb, providing modern plastic guttering has been installed correctly it should see a lifespan of around 30 years with regular care and maintenance. Most guttering in the UK is made from plastic, however, metal gutters can potentially last for longer.

What Can Cause a Leaking Gutter?

A leaking gutter can happen for several reasons. Guttering can wear down with age, especially without proper maintenance, and harsh weather conditions may cause damage that leads leaks and deterioration within the joints. Plastic gutters can also become brittle over time and develop cracks.
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