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Jasin Gold Member Offline Posts: 52770 Gender:	Jarrah wood. Dec 14^th, 2022 at 7:47pm Doing a lot of sanding on Jarrah wood (from WA) and wondering what people's thoughts are on what to put on it? Stain, Clear, Varnish, etc???? Got x3 tables, x6 table seats, x6 chairs for outdoor. Once the old crap is sanded off - the Jarrah looks fantastic naturally.
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Sprintcyclist Gold Member Offline OzPolitic Posts: 40954 Gender:	Re: Jarrah wood. Reply #1 - Dec 14^th, 2022 at 8:29pm I've never worked with Jarrah. Will the furniture be indoors or in the sun?
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Dnarever

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Re: Jarrah wood.
Reply #2 - Dec 14^th, 2022 at 9:00pm

There are some oils for Jarrah that are good. I have used Linseed oil recently but it will darken the appearance which is good if that is what you want but not if it isn't. Most say it isn't. It is real cheap but they say to not use it on Jarrah.

I had some linseed oil on hand which is why I used it from building a few 19 inch audio rack mount cupboards. Though I added colour stain to the racks (blue and red)

I used it on an old stand for a fish tank where a bit darker was ok.

Orange oil is another choice. Bees wax or some other wax.

Whatever Bunnings recommend would be ok at worst. It can get expensive but doesn't have to be.

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Sprintcyclist

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Re: Jarrah wood.
Reply #3 - Dec 14^th, 2022 at 9:15pm

Dnarever wrote on Dec 14^th, 2022 at 9:00pm:

There are some oils for Jarrah that are good. I have used Linseed oil recently but it will darken the appearance which is good if that is what you want but not if it isn't. Most say it isn't. It is real cheap but they say to not use it on Jarrah.

I had some linseed oil on hand which is why I used it from building a few 19 inch audio rack mount cupboards. Though I added colour stain to the racks (blue and red)

I used it on an old stand for a fish tank where a bit darker was ok.

Orange oil is another choice. Bees wax or some other wax.

Whatever Bunnings recommend would be ok at worst. It can get expensive but doesn't have to be.

Yes, I agree that Jarrah would be worth more than using whatever is easiest.

I use linseed on pine. That's quite ok.
For something special, a different preservative may be in order.

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Dnarever

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Re: Jarrah wood.
Reply #4 - Dec 14^th, 2022 at 9:18pm

Sprintcyclist wrote on Dec 14^th, 2022 at 9:15pm:

Dnarever wrote on Dec 14^th, 2022 at 9:00pm:

There are some oils for Jarrah that are good. I have used Linseed oil recently but it will darken the appearance which is good if that is what you want but not if it isn't. Most say it isn't. It is real cheap but they say to not use it on Jarrah.

I had some linseed oil on hand which is why I used it from building a few 19 inch audio rack mount cupboards. Though I added colour stain to the racks (blue and red)

I used it on an old stand for a fish tank where a bit darker was ok.

Orange oil is another choice. Bees wax or some other wax.

Whatever Bunnings recommend would be ok at worst. It can get expensive but doesn't have to be.

Yes, I agree that Jarrah would be worth more than using whatever is easiest.

I use linseed on pine. That's quite ok.
For something special, a different preservative may be in order.

\

Yes.

In my case a $80 can would be best but my $2 bottle of oil did the job I needed, it looks great but won't be outside.

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Jasin Gold Member Offline Posts: 52770 Gender:	Re: Jarrah wood. Reply #5 - Dec 14^th, 2022 at 9:33pm Sprintcyclist wrote on Dec 14^th, 2022 at 8:29pm: I've never worked with Jarrah. Will the furniture be indoors or in the sun? Outdoors in the sun.
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Jasin

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Re: Jarrah wood.
Reply #6 - Dec 14^th, 2022 at 9:37pm

Dnarever wrote on Dec 14^th, 2022 at 9:00pm:

There are some oils for Jarrah that are good. I have used Linseed oil recently but it will darken the appearance which is good if that is what you want but not if it isn't. Most say it isn't. It is real cheap but they say to not use it on Jarrah.

I had some linseed oil on hand which is why I used it from building a few 19 inch audio rack mount cupboards. Though I added colour stain to the racks (blue and red)

I used it on an old stand for a fish tank where a bit darker was ok.

Orange oil is another choice. Bees wax or some other wax.

Whatever Bunnings recommend would be ok at worst. It can get expensive but doesn't have to be.

Never thought of using Wax.
I have heard of oil stains leaving marks on people's clothes on the really hot days when they sit on it (or is that varnish? D'oh!). I don't know from experience if that's true.
I'm hoping to give it a 4 year lifespan before it needs doing again.

There is a Cabot's Clear Varnish which is stated to have a Jarrah supportive colouring to it. But I just want to be sure.

The Jarrah is a superb wood and I just want to bring out the best in it and am willing to pay a lot to achieve it.

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Baronvonrort

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Re: Jarrah wood.
Reply #7 - Dec 15^th, 2022 at 12:12am

Jasin wrote on Dec 14^th, 2022 at 9:37pm:

There is a Cabot's Clear Varnish which is stated to have a Jarrah supportive colouring to it. But I just want to be sure.

The Jarrah is a superb wood and I just want to bring out the best in it and am willing to pay a lot to achieve it.

If left in the sun Varnish will eventually start peeling off in places.

Marine varnish has more UV protection it might last a bit longer yet it will still start peeling off.

Varnish is good if not exposed to UV all day i reckon it's good for stuff kept in the shade it will seal moisture content in wood so it doesn't expand and contract with varying humidity

There are some good oils around do some research on that. Might be the easiest long term solution if you don't want to sand peeling varnish off every couple of years

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Jasin Gold Member Offline Posts: 52770 Gender:	Re: Jarrah wood. Reply #8 - Dec 15^th, 2022 at 5:45am Not really. Aiming for a 4 year lifespan detail at the least. So you're right Baron, the Varnish (even marine can go in just one year) might not be a good option, although nice and glossy at the start.
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Sprintcyclist

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Re: Jarrah wood.
Reply #9 - Dec 15^th, 2022 at 6:46am

Jasin wrote on Dec 14^th, 2022 at 9:37pm:

Dnarever wrote on Dec 14^th, 2022 at 9:00pm:

There are some oils for Jarrah that are good. I have used Linseed oil recently but it will darken the appearance which is good if that is what you want but not if it isn't. Most say it isn't. It is real cheap but they say to not use it on Jarrah.

I had some linseed oil on hand which is why I used it from building a few 19 inch audio rack mount cupboards. Though I added colour stain to the racks (blue and red)

I used it on an old stand for a fish tank where a bit darker was ok.

Orange oil is another choice. Bees wax or some other wax.

Whatever Bunnings recommend would be ok at worst. It can get expensive but doesn't have to be.

Never thought of using Wax.
I have heard of oil stains leaving marks on people's clothes on the really hot days when they sit on it (or is that varnish? D'oh!). I don't know from experience if that's true.
I'm hoping to give it a 4 year lifespan before it needs doing again.

There is a Cabot's Clear Varnish which is stated to have a Jarrah supportive colouring to it. But I just want to be sure.

The Jarrah is a superb wood and I just want to bring out the best in it and am willing to pay a lot to achieve it.

This is lovely to read.

I'ld imagine an oil stain could leave marks on clothes.
It often soaks into the wood and does not really dry.

The clear varnishes/polyeurethanes (?) sit on top of the wood and dry.

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Sprintcyclist

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Re: Jarrah wood.
Reply #10 - Dec 15^th, 2022 at 6:47am

Baronvonrort wrote on Dec 15^th, 2022 at 12:12am:

Jasin wrote on Dec 14^th, 2022 at 9:37pm:

There is a Cabot's Clear Varnish which is stated to have a Jarrah supportive colouring to it. But I just want to be sure.

The Jarrah is a superb wood and I just want to bring out the best in it and am willing to pay a lot to achieve it.

If left in the sun Varnish will eventually start peeling off in places.

Marine varnish has more UV protection it might last a bit longer yet it will still start peeling off.

Varnish is good if not exposed to UV all day i reckon it's good for stuff kept in the shade it will seal moisture content in wood so it doesn't expand and contract with varying humidity

There are some good oils around do some research on that. Might be the easiest long term solution if you don't want to sand peeling varnish off every couple of years

good points

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Jasin

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Re: Jarrah wood.
Reply #11 - Dec 15^th, 2022 at 7:36pm

Looks like I'll be going with a clear coat varnish.
Using a paint stripper (1/4mm depth) to do the tops to bring up the Jarrah beauty, before a smooth sanding - sure does save a lot of time than just using a sander. But on the legs and stretchers I do just use an orbital sander with a 40 then 120.
Haven't bought the Clear coat varnish yet, but I think its worth giving it a go to enhance the Jarrah.

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Dnarever

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Re: Jarrah wood.
Reply #12 - Dec 15^th, 2022 at 9:59pm

Jasin wrote on Dec 15^th, 2022 at 5:45am:

Not really. Aiming for a 4 year lifespan detail at the least.
So you're right Baron, the Varnish (even marine can go in just one year) might not be a good option, although nice and glossy at the start.

I re oiled an outdoor setting I had about every 2 to 3 years and it lasted for 20 years. It only deteriorated when I started to neglect it.

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Jasin Gold Member Offline Posts: 52770 Gender:	Re: Jarrah wood. Reply #13 - Jan 6^th, 2023 at 7:39pm Well I went with Sikkens HLSe 077 stain. x3 coats (first being light and fast application to prevent 'run stains' anywhere). The trick is to sand the Jarrah down beyond any weathering colouring. To where the Jarrah is rich in its natural state. That way, it lightens up still under the stain.
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John Smith Gold Member Offline Australian Politics Posts: 77082 Gender:	Re: Jarrah wood. Reply #14 - Jan 6^th, 2023 at 7:46pm On indoor furniture, beeswax. But to do it right you need 20 or 30 coats, with a very light sand between coats. If you're lazy just use clear varnish. Using beeswax Looks great when finished but if you put hot cups etc on it it will leave a mark Always use coasters
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