Pour Concrete Slab Over Basement

The condition of the existing slab is the primary factor that determines how long the new concrete will last.

Pour concrete slab over basement.

Pouring concrete over the existing one. 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. The foundation walls went up smoothly. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan.

Finish the work by priming the surface and pouring a mix over it giving your concrete foundation a fresh new coat. A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan. If you plan on pouring a lot of concrete build a wood and mesh barrier first to ensure your new slab is strong.

The condition of the existing slab is the primary factor that determines how long the new concrete will last. The beams were placed in beam pockets the precut steel pans were woven together on top and an extensive mat of steel rebar was added over the steel decking. A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years. Adding fresh concrete is a common way to level out old slabs and patch damage.

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.