Aug 24, 2007, 1:46 PM
Post #5 of 11
When I was a teen-ager, I started to learn the cement trade. We used to paint all of the form lumber with diesel oil to prevent it from sticking to the cement when we would strip it off after the concrete had set. Usually, we would spray in on using one of those Sprayers with the reservoir that you pump air into for pressure like most of the fumigators use here.
It works great for that purpose, environmentally incorrect these days though. Used motor oil would probably work just as well.
Nowadays, in The US, very few concrete structures are made using wooden forms. Pre-fabricated metal panels that can be quickly joined, removed, and reused are usually used; they are called “pans’ on the job.
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