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Hi Rob,Quote:
Originally Posted by auscab
The garage is very hot at the moment so they dried pretty quickly. The sanding sealer was laid on with a brush quite liberally.
Could it be that the veneer is so thin that the underlying ordinary ply is showing through?.
Quote:
Originally Posted by auscab
There isn't much open grain left to be honest. I think I might leave it and take all the boards back, I've had a sheet of American Oak which only required a couple of coats of varnish and it came up beautiful.
I think the veneer is so thin that the underlying ply and glue is showing through and contrasting with the red oak.
Just an update and to close off this thread.
Not one to be defeated I did a little testing of my own using the "wet finger" technique taught to me by Rob. Instead I used white spirit. I found that from the dozen boards I brought, there were 3 where the white spirit didn't sink into the grain so I concluded that
there must be some sort of manufacturing defect. It just so happens that the board I choose to start putting finish on was one of bad oens!(my luck!).
From what I have gathered the defect is one of two things. Either the glue used has bled through to the top of the veneer or the veneer itself has a problem like not drying out properly and/or tannin issue.
Forest1 who supply the boards to Bunnings are investigating (hopefully). The only way around this, and like Rob said I would have to fill the open grain with a darker or a matching grain filler. This would have been alot of faffing about so I took the boards back, some were cut (ooops!) and got a refund and went to another bunnings and got another batch.
Here is the result of 3 coats of Bleached Shellac / 2 coat of gloss varnish:
Attachment 506923 Attachment 506924
I'm sure you'll agree its a stark difference!.