Install 18 inches of crushed rock or a 3 4 inch crushed gravel for the sub base.
Building a concrete shed base on a slope.
Combine 2 4 and 8 inch thick blocks to get the proper height.
Select the site for your gravel shed foundation 1.
Building a poured concrete walkway or a small slab.
Start with 4 inch high blocks at the top if the slope is gentle.
Laying a concrete block foundation for a shed 1.
Determine the angle of the slope.
When building a shed on unlevel ground as the foundation grade becomes steeper the problem becomes greater.
Dig out about 18 inches of the existing soil and set this material aside to use for later.
Dig into the slope to make a level base for your shed.
How to build a level shed base with a retaining wall.
Before the concrete hardens in the piers set pier or post ties and align in place.
Balance the cut and fill by using the soil dug out of the slope to build up the platform for the shed.
For that reason we decided that building a post and beam foundation would be the best way to go.
Last week i had the opportunity to help a friend build the foundation for a new shed that will be delivered in a couple of weeks.
An 8 x12 shed would use 6 piers 3 per long side.
If you are lucky your shed site will be relatively level.
The layout of your yard can make or break your shed foundation and shed for that matter.
His back yard has a bit of a slope and it would take too much concrete to pour a slab read how to pour a concrete shed foundation here.
The second way is to build on the slope.
You build a wood form over a compacted gravel base then place the concrete and finish the surface so it s level with the top of the form.
I built each shed on a floating slab with 2 inches of styrofoam underneath the the concrete.
Shed dimensions determine the number of piers you need.
If you only need to build a shed base on a slight slope this can be achieved by cutting into the slope slightly on one side and building up the crushed stone on the other.
Start by digging out the soil to create a flat surface.
There are two main solutions to building a shed foundation on a slope.
Once the piers have cured beams can be set in place on the piers or pier and post and leveled with shims.
Plan to set one concrete block pier at each corner of the shed in the middle of each wall and in the very center of the shed.
If you stick a shovel into a gas or electric line your day is going to get a lot more.