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How To Keep Damp Out Of A Shed?

For many, trying to keep your shed dry is often an uphill battle. When moisture manages to get into your shed it could easily destroy your tools and any other equipment inside. 

The first thing you must do is to examine your shed and see if there are any repairs or maintenance work to be carried out. Often sheds have been damaged, so see if any areas allow moisture to get in. 

In this article, we will go through everything you need to do to help keep your shed damp-free. If you fail to keep moisture out, expect your expensive equipment, tools, and any other items you keep stored in your shed to get damaged due to rust and corrosion. Not only that, but the shed itself could end up rotting over time. 

To avoid this from happening to your tent, the following tips should help.

Examine the Shed

Thoroughly examine the construction and the material of the shed. First, start from the top and see if the roof is in good condition. Often the roof’s material will deteriorate over a period of time, so see if it needs to be fixed. If it is in very bad condition, you may have to completely replace the roof. 

However, patching a felt roof is not a difficult task. Purchase gutter sealant to make sure the patches are securely in place. Make sure to repair any small tears in the roof’s shingles. 

If you feel like it’s time the shed needs a new roof, perhaps using EPDM might be your best option. This easy-to-install rubber sheeting solution tends to last for many years with little to no maintenance required. 

You must treat the wood annually. Even if your shed claims it is rot-proof, applying treatment is vital. It will help protect your shed, the idea being that you can stop the rotting before it starts. You simply just add a coat of wood stain once a year.

Check all the entrance points, including the windows and doors, and see if there is any sign of damage or decay. If you spot something wrong, fix or replace it immediately as these problems tend to get worse over time. If rainwater gains access through these gaps it can cause major issues. 

How should you Check for Leaks?

Before any waterproof work is carried out on your shed, you must check for any areas that leaking occurs. This will help you know if there are any weak points or if damage exists before you spend time and money waterproofing the shed. 

Check for leaks after it has rained. Normally rain will hit the exterior of your shed, so you should easily spot any areas where water is coming in while it is raining. If you wait too long after it rains, the water might have evaporated, causing you to miss out on damaged areas. The discoloration is often a sign of dampness. 

Tracing the flow of the water is vital in figuring out the source of the leak. If you come across any puddles or drips, find out where they are originating from.

Don’t assume all wet areas have originated from leaks, as often condensation can cause dampness. 

Insulate your Shed

One of the best ways to keep your shed dry, and to help prevent mold from growing, is by insulating your shed. If you don’t insulate it and the temperature drops, your metal equipment will get wet and possibly damaged. Wooden areas of the shed will swell and expect to see mold growing. 

Even if your shed is not heated, by adding insulation, you will trap heat in your shed, which will stabilize the temperature. For a cost effective solution to help you insulate your shed, you can use high-quality silver-backed bubble wrapping material. This is a great temporary solution, however, you will probably need to replace it once a year. You will be able to find at your local DIY store solid foam pieces that tend to work better. These pieces of foam come in lots of different sizes and thickness varies. 

Use MDF to line your Shed

Using good quality Medium Density Fiberboard (MDF) is a great way to help you save money when waterproofing your shed. High-quality MDF is durable and is very effective, and MDF is somewhat water-resistant. If your measurements are accurate, you should easily be able to install these sheets, on the walls, roof, and floor of the shed. It is a great solution to help you keep unwanted water from gaining access to your shed, which will help you save a lot of money having to replace damaged tools and equipment.

Invest In Storage for your Shed

Waterproofing and insulating your shed is important, however, to make sure your equipment avoids getting damaged, investing in high quality storage will help. Here are a few ideas:

If your shed is full of clutter, you will notice that the equipment will easily corrode. Keeping them in high quality storage areas helps prevent this from happening and makes your shed feel neat and tidy. It is much easier to access equipment when they are stored away properly. 

Add Extra Protection to the Roof

Your shed’s roof will inevitably get wet when it rains. Installing proper roofing and picking the right roof design can help rainwater easily runoff. 

Skillion and Gable roofs are a very common choice amongst shed owners. Installing roof felt will give you that bit extra protection, and remember to install this before you add any shingles. 

Consider installing a suitable overhang so that when water flows from your roof, the wind will be able to blow it back on the side. If water runs down the exterior walls, you are likely to see the damage. 

Examine your roof a few times a year, and if you notice any damage make sure you replace or fix it immediately. Roof damage is the main reason for leaks, so regular maintenance is necessary. 

Don’t try and save money by purchasing cheap materials for your roof. Without having a good quality solid roof expect to have problems. 

Inspect your gutters regularly

Gutters are a great way to keep water from seeping into your shed if used correctly. Check them regularly, especially during the Autumn or after a storm. If any debris has clogged up the gutter, the water can overflow back up the roof and can cause serious damage to the roof, the shed’s structure, and tools and equipment inside. 

Purchasing leaf guards can help maintain your gutter, especially if your shed is located near trees. If you don’t have a leaf guard, especially during the Autumn, you must be prepared to regularly check and clear the gutter.


Having a shed is great! It can help you store equipment, tools, sports gear, etc. However, every shed owner must be aware of the damage caused by mold and water. Maintaining your shed and making sure it is waterproof is important for your shed’s lifespan. Replacing or fixing tools can burn a hole in your pocket, so making sure they are stored in a dry, clean area is vital. 

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