The condition of the existing slab is the primary factor that determines how long the new concrete will last.
Can you pour concrete over old concrete steps.
Pour the acid mixture over the old concrete.
The fix will be durable and you avoid the high expense of a complete tear out.
One of the best tools that can be clean all the debris out of crack is a stiff bristle broom.
Cleaning old concrete surface.
If you get some of the mixture on your skin rinse the affected area under cool water.
Get as much of it off the concrete as you can.
You can alter small exterior concrete steps extending from a patio or directly from a home.
Pour the mixture directly from the bucket or use a plastic sprinkler can to distribute it over the old concrete.
Cutting away the damaged concrete and pouring a new concrete cap on the step can often repair badly broken concrete steps.
Be sure to cover all of the concrete evenly.
When wouldn t i want to pour new concrete over old concrete.
Pouring new concrete s.
The first order of business is to remove gravel leaves sand and dirt.
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.
Concrete steps break up especially in northern climates.
Sweeping dirt s debris over the existing concrete slab will allow bonding to take place.
Water soaks into the concrete freezes.
If you re concrete has large cracks and the slab may still be moving due to freeze and thaw conditions or settling then a tear out and replace is a better solution.
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.
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.
Pour the resurfacing concrete over your old concrete.
There are cases when pouring new concrete over old just isn t a viable solution.
This includes removing sand dead leaves and gravel.
The old concrete needs to be completely clean or else anything you pour over it won t bond to it.
Finishing after pouring the finishing concrete smooth it out with a finishing trowel or a long handled industrial squeegee.