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Old 08-31-2006, 03:56 PM   #1
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footings and foundation walls


I was wondering which is easier to do, pour the footing first or pour the footing and the foundation wall at the same time. I know it would save on time waiting for the footing to cure and for truck costs, but just wondering what most professionals do.I am in California so the foundation wall will only be around 17 inches tall from the footing, 24'' in all bottom to top . Just wondering what material most people use to build there foundation wall ( 3/8 or 5/8 ply ?) and how to support them from blow out. Thanks, and any websites would be helpful. Thanks a lot. Scott M

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Old 09-03-2006, 11:18 AM   #2
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footings and foundation walls


Well pouring the footing first is the proper way. Unless your pouring a monolithic (slab&Footing) is the only time you should pour everything at once.
Pour the footing & make a "key-way" in the center of the footing. Wait at least 15-20 days. Then build your forms for the foundation.

Every foundation contractors has their own time-table, but 15 days at least is good.

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Old 09-03-2006, 11:30 AM   #3
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footings and foundation walls


You can make the forms out of 3/4 plywood. Use stakes every 3 feet for the footing.

Make the foundation walls using braces on the outside of the walls. And threaded rod with nuts & bolts holding the walls across form each other.
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Old 09-03-2006, 12:53 PM   #4
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footings and foundation walls


The easiest way to do what you are trying is to pour the footings, with steel rebar as per your code, and pins (short rebar) centered where the foundation walls will be placed. We also use nail strapping 2 feet long or so, placed every 2 feet, both sides of the footing, in the wet concrete and sticking up to each side where the foundation forms will go. This allows you to have an anchor for the wall forms to the footing, to hold them in place at the bottom. Then you simply set the forms down, nail (or screw) them to the straps, run the form stakes on the outside of the wall forms, and place nailers across both wall forms for spread. This method allows easy stripping, and you can recycle the material elsewhere in your project.

Generally, we pour footings and wait 1 day to roll the next step. Since you say the foundation walls will only be 17 inches tall, a few days will be fine since the weight isn't that great. You can strip the foundation walls within 8 ours of the pour, but you will need to allow them a week to cure before doing anything else. Concrete attains 75% of it's rated strength in 21 days or so. Coat the forms with a form release agent for better stripping.
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Old 09-04-2006, 12:35 AM   #5
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footings and foundation walls


Its always nice to ask a question and get so many professional responses and helpful advice. I think sometimes people are afraid of sounding dumb at some of the questions they may ask and end up not asking them , but I have always found that everyone really respects each other here and treats each other like intelligent human beings. Thanks for all the advice and making my project a ton easier.
thanks, Scott M.
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