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OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 06, 2019 04:23PM

Anyone on CCF work with concrete on a regular basis?

I need to know what Concrete Release Agent works best with wood forms.

I could also use some help with my form design..


Thanks

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Re: OT - What Concrete Release Agent is Best?
Posted by: CH47CC ()
Date: November 06, 2019 04:56PM

Thompsons waterseal works very well. Troy

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Re: OT - What Concrete Release Agent is Best?
Posted by: The Californian ()
Date: November 06, 2019 06:22PM

Hi

My neighbor has a concrete contracting business.I can ask.

Being around construction in Southern California my whole life.

I have never heard of a 'release agent' on the form boards.

Anyhing is possible though.

THE CALIFORNIAN

COUPLED TWIN CORVAIR ENGINE 12 CYLINDER

THE 'BIG BOY' OF THE CORVAIR RACING WORLD

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Re: OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 06, 2019 07:15PM

The Californian Wrote:
-------------------------------------------------------
> Hi
>
> My neighbor has a concrete contracting business.I can ask.
>
> Being around construction in Southern California my whole life.
>
> I have never heard of a 'release agent' on the form boards.
>
> Anyhing is possible though.


Copied and Pasted from a search for Concrete Form Release Agent:

Concrete form release agent, or form release for short, is a product that's applied to concrete molds, frames and forms to prevent the concrete from sticking as it cures.

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Re: OT - What Concrete Release Agent is Best?
Posted by: The Stig ()
Date: November 06, 2019 07:16PM

The stars are aligning....

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Re: OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 06, 2019 07:26PM

CH47CC Wrote:
-------------------------------------------------------
> Thompsons waterseal works very well. Troy


Thank you Troy.
I believe Thompsons has a variety water sealers for decks...

What kind and how many coats are needed?

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Re: OT - What Concrete Release Agent is Best?
Posted by: jjohnsonjo ()
Date: November 06, 2019 07:41PM

I haven't done any concrete work for a long time, but when I did my father, father in law and my uncle said, just brush it with used motor oil. It seemed like a good idea for frugal Corvair owner so I did it. They also said wash all your trowels and rub them with clean motor oil, I did that to. Flame on.

J.O.

65 Corsa Turbo Vert
79 Honda XL 500S
69 Honda CL 160 D
2010 BMW F 650 GS
2003 Bounder 36D
2013 KIA Optima SX turbo-AKA ZIPPY (wife,s car)
69 Newport Holiday Sailboat
Baja 150 dune buggy cart
Coleman HS 500 UTV
2016 KIA Sorento SXL Turbo

Bethlehem,Pa


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Re: OT - What Concrete Release Agent is Best?
Posted by: MattNall ()
Date: November 06, 2019 07:43PM

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Re: OT - What Concrete Release Agent is Best?
Posted by: Frank DuVal ()
Date: November 06, 2019 07:43PM

In the old days they just used used motor oil on foundation forms.... Of course the concrete looked bad, but was going to be underground anyway.grinning smiley

I would ask the local concrete supplier what works in your area.

May also depend on how captive the wood form is to the concrete. Smooth vs rough with pockets question.

Frank DuVal

Fredericksburg, VA

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Re: OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 06, 2019 07:48PM

I plan to have 3 forms made out of 2X12 that are 12' long.

Two of the forms will be back to back and the third form will be by itself.

Each form will have 8 - 16"x16" square footings about a foot deep for a total of 24 square footings.

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Re: OT - What Concrete Release Agent is Best?
Posted by: mikeycee ()
Date: November 06, 2019 08:02PM

If it doesn't show slather on with brush or roller any heavy oil. Used motor oil is great. The added benefit is it will soak into the Portland cement and you'll get waterproofed concrete at no extra charge!! I've been in the trades for over 30 years. cool smiley Mike

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Re: OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 06, 2019 08:05PM

mikeycee Wrote:
-------------------------------------------------------
> If it doesn't show slather on with brush or roller any heavy oil. Used motor oil is great. The added benefit is it will soak into the Portland cement and you'll get waterproofed concrete at no extra charge!! I've been in the trades for over 30 years. cool smiley Mike


Mike,
My only concern with using motor oil of any kind, is the fact that we are on well water...

We are 200 feet away from the well.
However, our new code for frost line is making us dig 7 feet deep.
A foot of base.
A foot deep concrete footing
5 feet of post below ground.



Edited 2 time(s). Last edit at 11/06/2019 08:09PM by OttawaCorvairGuy.

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Re: OT - What Concrete Release Agent is Best?
Posted by: mikeycee ()
Date: November 06, 2019 08:25PM

After being taken in by the wood and the Portland and the forms stripped a very small amount of oil will be left in the grade. The potential of water table pollution would be unmeasureable at best. Mike

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Re: OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 06, 2019 08:28PM

I'll call Thousand Island Concrete tomorrow and ask them too.

I used them when I installed the 94 foot tower for our internet...
It was the first time I worked with concrete.
It was 5 feet deep and 5 feet square to support the base for the 94 tower.
(Pictures of the tower project can be seen on: What's going on around the farm. But I'm not sure if it is in part 1 or part 2.)

The cool thing is that they mix on-site and you only pay for what you use.

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Re: OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 06, 2019 08:30PM

Mike,

During my search (that I did before posting on CCF) I found someone who tested different things and they used PAM spray cooking oil. Grin

I just don't want to have any problems...

For a year on and off, I tried to find a place to make the footings for me.
The ones they had in stock did not meet the requirements of our township.



Edited 2 time(s). Last edit at 11/06/2019 08:34PM by OttawaCorvairGuy.

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Re: OT - What Concrete Release Agent is Best?
Posted by: Lane66m ()
Date: November 07, 2019 02:58AM

I just walked around the forms and tapped it with a hammer about 2 hours after pouring. Used tool to round the edges. Had no issues pulling treated yellow wood boards off.

Al Lane
Ellabell, GA 31308

1966 Monza Coupe, 110 hp, 4 Spd
1966 Monza More Door 110 hp, PG
1968 Camaro SS Coupe 350 CI 295+ hp PG
1964 Greenbrier Deluxe, 6 dr, 80 hp car engine, PG
1947 Farmall A tractor 15 hp


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Re: OT - What Concrete Release Agent is Best?
Posted by: OttawaCorvairGuy ()
Date: November 07, 2019 07:36AM

Just got off the phone with Thousand Island Concrete.

Each footing will be .07 yards of 25mpa

Footing will weigh about 280 to 300lbs each.

Even though it's close to 1.5 yards we are budgeting for 2 yards, around $500 for the 24 footings. Plus my wooden form material and rebar.

BTW - He thinks that I will NOT need to use any release agent, if I remove the forms by the next morning.



Edited 2 time(s). Last edit at 11/07/2019 07:43AM by OttawaCorvairGuy.

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Re: OT - What Concrete Release Agent is Best?
Posted by: 1bad67 ()
Date: November 07, 2019 01:12PM

Diesel. That's what we used in the mill when we made concrete form plywood.

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Re: OT - What Concrete Release Agent is Best?
Posted by: Reds kid ()
Date: November 07, 2019 05:40PM

2nd on diesel. Ive even used it on top of the concrete to keep the moisture in while curing and prevent cracks.

65 140 Corsa
Castaic CA

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Re: OT - What Concrete Release Agent is Best?
Posted by: The Californian ()
Date: November 11, 2019 04:21PM

Hi Ottawa

Got your answer.

Neighbor uses 'Form Oil'.

Then also uses diesel fuel.

Said if you keep using form oil repeatedly the boards get better and better.

Keep in mind this is Southern California way to do it.

Hope that helps.

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