Concrete Slab Installation FAQs
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Frequently Asked Concrete Questions
Is it a requirement (or a must) that my building location is within 8" of perfect level?
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What is a footing, and why do I need it?
Simply put, it’s a ditch filled with concrete for structural support of your building.
What is a drip ledge?
A drip ledge is a notched out edge around the outside of your pad, to ensure the siding will lay flush against the slab, all while protecting from any rain getting in.
Why would I have to have my concrete pumped or buggied to the job site?
Due to the size and weight of a concrete truck, and the location of your pour you may be able to have the concrete pumped directly into the slab, or it will be buggied from the truck to the slab.
Do I or the building company pull the permit?
If a permit is required, the building owner will be responsible for obtaining it.
Do the concrete guys also take care of digging the footing and installing the rebar?
Yes.
What if I want to put a car lift in my building? Does the slab need more support?
Short answer: yes. Most post lift specs require at least 5-6” concrete under the lift post due to the weight.
What if I want a drain in my floor?
We can install that at an extra cost. Check with your local building codes due to the economic impact.
What’s the difference between broom and slick finish?
Slick finish is smooth and easy to sweep. Broom finish has a more rough texture, and is recommended for traction when in an area that would be more exposed to wet conditions.
Does fiber or wire in my slab make for a stronger slab?
Yes, these items can help to reinforce and improve concrete durability.
What are expansion joints, and why do I need them?
These are generally soft cuts made in the concrete after finishing, to allow for expanding and contracting of the surface.
Is my concrete going to crack?
All concrete is subject to crack due to the expansion and contraction of the material in all weather conditions. The expansion joints help to control where the cracks form.
How long should I wait before walking on my concrete?
Foot traffic is usually okay within 24-48 hours. Complete curing time for concrete is 28 days.
What do I need to do if I want plumbing or electrical in my slab?
You will need to coordinate your plumber and/or electrician with your concrete provider before the slab is poured.
Do I need sealer on my concrete?
It is not required. There are several pros and cons that can be discussed with your concrete contractor.