Question On Pouring A Front Stoop?

ruskent

I need to build a set of 2 steps that are coming off a existing stoop. To save time i just want to form it and pour the entire 2 steps out of concrete. Can i just form it and pour it in one shot? Or do i need to pour a footing wider and longer then the steps and then form the steps?


Its 2) 14" steps 16 feet long.

Tscarborough

As long as the soil calculations show that the footprint will support the weight. Plus frost issues, which I don't know about.

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ruskent

We have a 42" frost line here. If i blocked it up i would pour a 8inch footing at 42", then just block it up. I am just trying to save some time and not loose time waiting for a footing to cure.

jmic

Dig the frost footers and then form the steps, you may have to put some long stakes down to the bottom of frost footing to hold the step forms up to the grade you want and then pour the hold thing 1 pour.

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Joe

ruskent

Do i need form the bottom wider?

tgeb

I would dig a footing trench 2 feet wide and to frost the full length of these steps.

If there is foundation wall there drill some rebar dowels into it.

I would then "hang" my forms and stake it real well a few feet back.

Pour all the concrete at once.

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jmic

I don't think it's necessary.

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Joe

Vinny

Rusk, you may want to take some time to drill and pin the new pour to the existing concrete. This way, if for any reason theres settlement at the new pour it cant seperate. This wont take long to do and will be worth the time in my experience.

Good luck, im sure you'll be fine

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ruskent

Vinny- Please explain the correct way to drill and pin new concrete to existing.

Cole

Matt, do you have a hammer drill with a masonry bit?

Drill some holes in the existing concrete stoop and insert rebar into it, to tie the existing into the new pour.

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neolitic

If you've got good bearing at the frost line
don't worry about pinning it, it's just steps.
If you're still in fill when you get to frost line....
then maybe.

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ruskent

Ok cole thanks.


The house is 50 + years old. Any fill has long settled i am sure.

Cole

I agree, but I would still do it.

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works4me

I'm not a concrete man, but I agree with pinning it. I've inspected several home and seen the steps like this slip down, making the top step about 12" to the porch when all the rest are 8". What a mess that could have been avoided.

neolitic

Caused by:
A) building on fill
B) floating above frost
(in which case pinning will simply lead to
tearing up the step or what it's pinned to)

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neolitic

Belt and suspenders guy!

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works4me

Very true Neo, it is more of a parachute than a solution, and not really necessary if done properly like you stated. And yes if done with improper installation can cause other problem you stated - good points. I must be a belt AND suspender type also LOL.

neolitic

In real life?
My suspenders hook onto my belt!
Seriously, I just don't like to see young guys
start doing stuff without knowing why they're doing it.
Sort of gets passed down like a voodoo ritual.

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A W Smith

they sell epoxy in caulking tubes at home centers now for about seven bucks a tube. use #4 rebar pins about a foot long (1/2 inch masory drill) drill into existing . epoxy the pins into existing. then pour. You should be able to epoxy about 12 pins per tube. assuming what you are drilling into is not hollow. if it is you will need the hilti epoxy screen inserts before inserting epoxy and pins. also blow out the holes with air compressor. By using epoxy it will help prevent the pins from pulling out if ice gets between the new and old work.

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Vinny

I do it as an insurance policy. It dont take a squats worth of time to do and how does anyone know how well an area is compacted or settled. Old homes were dug maybe with a track loader which means it was way over dug and newer homes done with an excavator are over dug quite a bit for safety and footing drains. Unless you have the bearing soil density tested by an engineer and have them sign off on it, do you (rusk) want to be there in a year from now redoing that stoop because you were too lazy to take a couple of hours and $10.00 worth of rebar to make sure you wont need to go back?

We do alot of Driveways and thier related masonry. In that masonry work we inevitably end up with front walks(from thier new driveway to thier front door). And of course, the front steps. I cant tell you how many front steps/stoops pull away from the main fondation, even when thier dug all the way down to the original footing depth. If it aint attached, it can move away, bottom line.

Rusk, do yourself a favor, take the time and drill and pin it. Theres nothing to it, your client gets added value, and you'll sleep better.

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