Pour Concrete Slab Over Basement

A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years.

Pour concrete slab over basement.

Pouring concrete over the existing one. Besides supply and waste lines pex tubing was added to the slab for hydronic heat. The basement was plumbed for a bathroom and kitchen. Adding fresh concrete is a common way to level out old slabs and patch damage.

Finish the work by priming the surface and pouring a mix over it giving your concrete foundation a fresh new coat. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan. The foundation walls went up smoothly. The condition of the existing slab is the primary factor that determines how long the new concrete will last.

Here s the catch if the existing surface is somewhat in a structurally sound shape and elevating its height to a few inches won t be a problem you can certainly freshen it up with a new layer of concrete. The condition of the existing slab is the primary factor that determines how long the new concrete will last. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan. A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years.

Once the truck has reached the end of a section spread the concrete out evenly and a touch higher than the form with a concrete placer rake.