On 12/7/2010 9:25 PM, K7LXC@aol.com wrote:
> Howdy, TowerTalkians --
>
> I can't ever remember seeing this topic before - which is pretty rare
> after the last 15+ years of TT.
>
> I'm pouring a large tower base. What is an easy and cheap way to keep
> the wooden forms (2x12's) from sticking to the concrete? I've used motor
> oil a couple of times and couldn't tell if it did any good. I've used nothing
> and the forms just peeled off so I'm not sure what to do. Any plausible
> info appreciated.
>
I plain old fashioned plywood and leave 'em dry and have never had a
problem. Around here the biggest problem with forms is the hole around
them collapsing and having to destroy the form to get it out.
Exterior/treated plywood might work, but I've not had any problems with
the concrete bonding to the plywood. Of course there will be enough
concrete on it that you won't want to run it through a saw, unless it's
carbide tipped.
OTOH if the hole is large enough you might be able to rent the steel
forms although it takes some equipment to get them out of the hold.
Course an engine hoist set across 4X4's might do it.
73
Roger (K8RI)
Cheers,
> Steve K7LXC
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