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Pulling Forms On 8" Wall

 
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Old 06-08-2018, 09:38 AM   #1
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Pulling Forms On 8" Wall


Hello,

I just poured an 8" thick wall, 4 feet high (mostly ICFs but with some plywood formed bumpouts/pilasters). I want to pull the plywood sections but don't want to pull them too early or wait too long and have them stuck.

The pour happened 48 hours ago. Temps have been 50-70 degrees and weather has been bone dry (good conditions).

I'm not in a rush and have plenty of cleanup and prep to do for the plates... should I wait another 48 hours? I just want a good result. Ready-mix plant says their cylinder tests show 70% strength after 7 days and the pour was a 5-bag 3000 psi around a 5-6 slump.

Does waiting another couple days sound good?

Thanks in advance.
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Old 06-08-2018, 10:01 AM   #2
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Re: Pulling Forms On 8" Wall


Pull the forms, nothing to worry about. I usually pull forms the following morning, even in cooler weather.

If you find any rock pockets that will be exposed, it’s best to fill it sooner while the concrete is still green.

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Old 06-12-2018, 02:38 PM   #3
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Re: Pulling Forms On 8" Wall


Get your forms up and clean and oil them.

Like said above, pulling them the next day is pretty standard during the warm parts of the year.
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Old 06-12-2018, 02:59 PM   #4
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Re: Pulling Forms On 8" Wall


in the calif school world forms stay on for 7 days...
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Old 06-12-2018, 03:05 PM   #5
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Re: Pulling Forms On 8" Wall


Quote:
Originally Posted by griz View Post
in the calif school world forms stay on for 7 days...

That sounds like union talk And those plywood forms- trash em!

I grew up in NW Washington and everything was 1 1/8” fiberglass veneer form panels that you can use over and over. My dad sprays them with a diesel and oil mix and has used them constantly for 30 years.


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Old 06-12-2018, 03:45 PM   #6
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Re: Pulling Forms On 8" Wall


Quote:
Originally Posted by Caleb1989 View Post
That sounds like union talk And those plywood forms- trash em!

I grew up in NW Washington and everything was 1 1/8” fiberglass veneer form panels that you can use over and over. My dad sprays them with a diesel and oil mix and has used them constantly for 30 years.


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not union...dsa requirement

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