Pour Concrete Over Paving Slabs

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

Pour concrete over paving slabs.

We go over all the necessary steps for your concrete slab to come out perfect. In this video we show you how to pour your basic 16 x 12 concrete slab. Assess your slab this project will work with most patios. A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years.

The condition of the existing slab is the primary factor that determines how long the new concrete will last. Concrete repair guide aci 546 and guide for concrete floor and slab construction aci 302 1. If you decide to upgrade to stamped concrete paving stones will most likely cost you the same or even less in most cases. A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years.

You ll find a lot of useful information in two aci reports. Standard concrete slabs are generally lower in cost per square foot than the alternative. Here we ll walk you through how to lay paving stones over concrete. Covering concrete with paver bricks is much easier than pouring new concrete or laying paving stones the traditional way.

Homeowners can benefit from this whitetopping technique to reduce labor costs and time when replacing worn asphalt driveways. If the concrete has been poured over an unstable base the slabs once they crack at the expansion joints can pivot slightly with traffic. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan. If your patio driveway or other concrete slab is falling apart and losing its appeal then you need to give it a facelift.

It is possible that you may have to remove the existing slab prepare the supporting subbase properly and then pour a new slab to achieve the results you desire. Pouring concrete over old concrete instead of directly over a new gravel foundation limits your ability to maximize the slab s lifespan. Typically you will pay 10 15 more if you choose paving stones over standard concrete slabs. Unless the existing flags are lifted and the construction examined there is no way of knowing whether the structure is capable of supporting the additional weight loading of a permanent over layer of bedding and paving.

Concrete pavement is occasionally poured over the top of unstable soils because concrete has the ability to bridge the instability. It requires less skill and less time and it s a whole lot easier on your back.