The foundation of your shed is important so that you will have a well built and sturdy shed. Outdoor areas have natural tools for a solid foundation, but a gravel shed foundation is the most recommended as it can withstand the weather changes and the test of time.

A waterproof gravel shed foundation is permanent, and they are ideal for sheds because they do not let the moisture inside the shed as moisture can leave your area damp, wet and at times they could smell.

A sturdy foundation is needed because your shed will be used in different activities plus it will be placed in an area that is exposed outside.

Step 1 – Dig out a hole 

This is the most vital stage in making a base for your gravel shed foundation as you need to dig out a hole in a correct way so that the gravel will stick, and the concrete will dry up quickly.

The hole should be at least six inches in depth and you much attach a string that measures up to two pencils so that you will know if your base has the correct level.

The next step is to place a pencil and insert it at the sides of the hole so that you can remove soil that and level the base. You should also dig out six inches outside the boundaries of your shed so that there will be an extra space for a dry area around your finished shed. 

Step 2 – Plank fitting 

You will need a plank that measures one by six inches so that you can pack the sides of the area that is excavated, and you have to make sure that they are of a rectangular shape.

This will be used to create a kind of barrier that will prevent any dirt from flowing back into the hole and it can also keep the base of gravel in place. There are woodworking tools that can make this easy.

Step 3 – Membrane Laying 

A membrane needs to be laid in a way that will be over the exposed soil. The cut and the shape of the membrane that you are going to use will fill the space within the corners of the hole that was dug up.

The size of the membrane will depend on the size that you created when you dug the hole, but it should be a bit bigger than the hole so that you can nail the surplus on both sides or it can be stapled to the planks in order to keep the membrane intact and in place.

The membrane will serve as a barrier between the ground and the gravel and it can help prevent the moisture from forming in the gravel. 

Step 4 – Gravel pouring 

gravel shed foundation

This is now the time that you can pour the prepared gravel into the hole and area that was excavated. Make sure that the gravel that you pour is enough to sit on the ground level and it has around four inches to spare around the area.

The gravel should be poured slowly so that the membrane will not be dislodged. After pouring you can level the gravel using a garden rake. 

Step 5 – Adding the timber needed

After pouring the gravel you can now lay the timber on top of it, the timber that you are going to lay should measure around six inches apart and they should be at least four by four inches on all sides.

It should also be laid across the part of the hole that is excavated. If ever the timber does not cover the whole area, you can add more timber until they are covered evenly. Once it is completely dry, you can start building your shed because your base is made out of gravel which means it is sturdy and waterproof. 




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