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1st September 2022, 03:47 PM #1New Member
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- Aug 2022
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- Sydney
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Small Redgum table tops going outdoors
table tops.JPG
I’m restoring a couple of Cafe tables for use on a balcony. (Redgum? about 500x500.) Unfortunately, I don’t know about timber finishes, so I need help.
IMG_9709.JPG
- Is a paint-stripper and a wire brush the best way to clean the natural edge?
- I’ve decided on an oil finish over a polyurethane. Is Danish oil best for this?
- I've already sanded the top to 120 grit with the belt sander. Is it worth going beyond 120 grit with an orbital sander?
- If so, should I use a sanding sealer?
- I’ve seen car bog and black oxid as a fill solution. Is this the most straightforward?
crack.JPG
Many thanks in antisipation
Peter
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1st September 2022, 08:02 PM #2
G'day. Any answers to most of your questions are really a matter of personal taste, but as it takes experience to know 'if you do this you get that' I'll offer some general answers.
I'd be inclined to just wire brush it first. Depending on how 'scaly' the existing finish is, you may only have a few stubborn areas that need extra work and if there's only a few it should be possible to simply use a scraper for them.
I prefer to keep strippers as a last resort for a variety of reasons.
I’ve decided on an oil finish over a polyurethane. Is Danish oil best for this?
On t'other hand, PolyU can be a PITA to repair if damaged, while Oil is usually just 'wipe on another coat.'
I've already sanded the top to 120 grit with the belt sander. Is it worth going beyond 120 grit with an orbital sander?
If so, should I use a sanding sealer?
I’ve seen car bog and black oxid as a fill solution. Is this the most straightforward?
Personally I prefer to use 2-part epoxy and coffee-grinds for Redgum. When done well, it looks quite natural. If you don't mind imperfections (ie. small bubbles) then plain old 24hr Araldite is a good, relatively cheap option to the more expensive 2-packs.
I prefer epoxy as it is a glue, with all that implies about adhesion. Auto bog... well it is literally just an inflexible filler. Even a paste made up of sawdust and PVA is a more durable filler when it comes to timber.
- Andy Mc
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1st September 2022, 11:36 PM #3Intermediate Member
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- Jan 2016
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- Adelaide
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- 8
Agree with above - I would use epoxy - use it before sanding any finer.
My preference is for an oil finish Both Osmo, Livos and Organoil have oils suitable - but have pigments included to give the UV protection. They look good...
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2nd September 2022, 06:59 AM #4New Member
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Many, many thanks, just what I needed, answers that help me evaluate and decide.
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2nd September 2022, 12:37 PM #5GOLD MEMBER
- Join Date
- Aug 2005
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- Queensland
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Definitely go with the epoxy rather than any type of car filler or Plastibond, as the timber “moves” these fillers will break away from the edges and will allow the weather to do its thing.
As to the finish, consider Penetrol Marine, available from any chandlery, made for yacht timbers out in the weather, tough and flexible enough to resist weathering.
Many don’t do it, but, to save you some weathering grief, ensure that you put at least 1 coat (of your desired finish) underneath. This will ensure you keep out most of the weather influences as the weather is all around the item not just the top or edges.Regards,
Bob
Absence of evidence is not evidence of absence.
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