Build Crushed Stone Base Shed

Building a shed base begins with the setting out.

Build crushed stone base shed.

The best type of crushed stone for a gravel shed foundation is clean sometimes also referred to as clean stone washed or 57 depending on the supplier. This weak mortar mix is to partially fill any surface gaps in the crushed stone layer and prevent loss of sand over time into the stone. Place the proper gravel in the base and make sure the base is compacted. Building a gravel shed base is not very difficult but it has to be done right.

To calculate how much crushed stone you need multiply the length by the width. Also it should form an even uniform bedding. Start by marking out the corners of the shed. The key material for building a gravel shed foundation is crushed stone.

Showing you how to make a foundation base for an outdoor shed. Fill in with stone. Frame the foundation and make it square. Fill the area inside the frame with 4 6 inches of 3 4 inch crushed stone do not use river bead stone or a smooth rounded stone.

The best choice for building the framework around your gravel shed foundation is pressure treated lumber such as 4x4s or 6x6s. Determine the size of your shed and add 2 or 3 feet to the length and the width for the size of gravel pad. Item 551125 model 1887153 at lowes. This is the area of your pad in square feet.

Not only will they provide you with a much stronger framework being pressure treated will help ensure they last for many years without rotting and allowing the gravel to spread out letting your shed down gradually. We made it for a rubbermaid roughneck 7x7 storage shed. Clean is stone that has been screened through a square screen and has been washed to remove stone dust and other residues. The stone area of your shed pad should be at least one foot wider and one foot longer than the actual size of the building.

On top of the crushed stone place a 1 50mm layer of a dry sand cement mix this is made up spread the mix evenly and rake level.