Sweeping dirt s debris over the existing concrete slab will allow bonding to take place.
Can you pour concrete over old concrete steps.
If done properly new concrete can often be poured right over an existing slab.
This includes removing sand dead leaves and gravel.
One of the best tools that can be clean all the debris out of crack is a stiff bristle broom.
Pour the mixture directly from the bucket or use a plastic sprinkler can to distribute it over the old concrete.
Get as much of it off the concrete as you can.
If you get some of the mixture on your skin rinse the affected area under cool water.
Pour the acid mixture over the old concrete.
You can alter small exterior concrete steps extending from a patio or directly from a home.
Water soaks into the concrete freezes.
The old concrete needs to be completely clean or else anything you pour over it won t bond to it.
For this to be feasible the contractor needs to pour at least 2 inches thick use smaller aggregate and incorporate reinforcement such as welded wire mesh or fiber mixed into the concrete.
Pouring new concrete s.
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.
For instance if concrete stairs are not the correct size are too small or are different sizes you can pour new concrete over them instead of redoing the entire structure.
Cleaning old concrete surface.
Pour the resurfacing concrete over your old concrete.
Be sure to cover all of the concrete evenly.
The fix will be durable and you avoid the high expense of a complete tear out.
When wouldn t i want to pour new concrete over old concrete.
Cutting away the damaged concrete and pouring a new concrete cap on the step can often repair badly broken concrete steps.
The first order of business is to remove gravel leaves sand and dirt.
Finishing after pouring the finishing concrete smooth it out with a finishing trowel or a long handled industrial squeegee.
Concrete steps break up especially in northern climates.
A well poured concrete slab with a deep sturdy foundation can last for 30 to 40 years.
Steps involved in pouring concrete over existing concrete slab step 1.