Yellow substance on formwork timber beams

[eng_kuchev]

Do you guys have any idea what the yellow stuff that formwork beams are finnished with might be?

[journeyman Mick]

Just guessing here (as I try to stay well clear of formwork and anything else remotely associated with concrete ;) ) but it's probably a release oil which eliminatrd or at least minimises concrete sticking to the formwork.

Mick

[eng_kuchev]

No, no, no I'm talking about the I-beams that lie under the formwork panels. These beams have no contact with the concrete. But whatever the making company, these beams are finnished with something yellow. What could it be?

[journeyman Mick]

Without contacting the supplier I wouldn't know, but I'd still be guessing a release oil (I understood the question first time round). Just because they're not meant to be in contact with the concrete doesn't mean they won't get concrete splashed and spilt all over them.

Mick

[echnidna]

Think its powder coating but might be PVC

[eng_kuchev]

The thing is deffinitely not laquer, it's thin, it's matt, it's like the "blond" finnish in guitarbuilding but more yellow.