

On-Grade FoundationsĪn on-grade foundation is one that sits on the ground.
FLOATING FOUNDATION DIAGRAM CODE
Frost-proof foundations are ideal-and often code required-for larger sheds.

FLOATING FOUNDATION DIAGRAM SERIES
But you can also create one with pole-barn construction, which uses a series of tall round poles or square posts set into deep holes. Frost-proof foundations are usually made by pouring concrete footings, piers, or a monolithic slab. While this type of foundation can be built virtually anywhere, it works well in areas where the weather is colder and that experience frost heave. For that reason, frost-proof foundations are often called permanent foundations. On-grade foundations are sufficient for most small to medium-size sheds.įrost-proof foundations present more building challenges than on-grade types, but they’re much stronger and longer-lasting. It is not necessary to dig any holes or pour concrete for this foundation type. One of their benefits is that they are quick and easy to build. There are several different types of shed foundations, but they can be divided into just two categories: on-grade and frost-proof.Īnother name for an on-grade foundation is a floating foundation. Let’s take a look at the best foundation options for your shed. Therefore, building a strong, durable foundation is arguably the most critical step in building your shed. Even the best-designed, strongest-built sheds won’t last very long if set upon a weak or poorly constructed base.

The success or failure of your shed relies greatly upon its foundation.
