Fuming oak

Finishing your woodworking projects must be one of the hardest steps. We all could use some help in this area, so please chip in with your advice to help those of us struggling with our finishing.

Fuming oak

Postby Beowolf » Thu Jul 22, 2010 3:44 pm

I'd like to fume some oak, and so need some ammonia solution.

I don't really know exactly what I need, and all the local shops look at me very oddly when I ask them for help.

Can someone point to something I can buy online, preferably on ebay?
Beowolf
Young Tree
 
Posts: 132
Images: 7
Joined: July 2010
Location: Suffolk
Has thanked: 0 time
Have thanks: 1 time
First Name: Johan

Re: Fuming oak

Postby Walter Hall » Thu Jul 22, 2010 7:47 pm

You can get the household stuff from Boots Online
User avatar
Walter Hall
Young Tree
 
Posts: 64
Joined: June 2010
Location: Northumberland
Has thanked: 0 time
Have thanks: 0 time
First Name: Walter

Re: Fuming oak

Postby Beowolf » Thu Jul 22, 2010 8:21 pm

And they'll deliver to a local store, excellent.

Thanks!
Beowolf
Young Tree
 
Posts: 132
Images: 7
Joined: July 2010
Location: Suffolk
Has thanked: 0 time
Have thanks: 1 time
First Name: Johan

Re: Fuming oak

Postby Tom » Thu Jul 22, 2010 8:25 pm

Let us know how you get on Beowolf.
Intelligent Workshop
http://www.intelligentworkshop.co.uk
Your local friendly Power Tool & Woodworking Retailer ;)

wizer woz ere
User avatar
Tom
Site Admin
 
Posts: 3700
Images: 13
Joined: April 2010
Location: Staplerock
Has thanked: 34 times
Have thanks: 27 times
First Name: Tom

Re: Fuming oak

Postby pommy » Thu Jul 22, 2010 11:10 pm

Do you have a covers near you they should stock industrial Ammonia but this stuff is very dangerous

Andy
from small acorns mighty oaks grow
User avatar
pommy
Young Tree
 
Posts: 135
Images: 0
Joined: July 2010
Location: West Sussex
Has thanked: 0 time
Have thanks: 0 time
First Name: Andy

Re: Fuming oak

Postby Beowolf » Fri Jul 23, 2010 9:27 am

Will do Tom, I'll post some before and after pictures.

Andy, I don't think I do, but I'd rather go with 10% stuff for a first time, even if it does take longer.

Just need to make a fuming tent next. I think I can do something with some old tent poles and plastic sheeting.
Beowolf
Young Tree
 
Posts: 132
Images: 7
Joined: July 2010
Location: Suffolk
Has thanked: 0 time
Have thanks: 1 time
First Name: Johan

Re: Fuming oak

Postby WellsWood » Sat Jul 24, 2010 1:43 pm

I've used the domestic cleaning solution called Kleenoff by Jeyes a couple of times with admirable results. Available over the counter in 0.5 lt bottles from my local housewares place, so it's not the industrial strength stuff which can be pretty hairy to use. The lower concentration makes it easier to get the depth of colour you want due to longer exposure times.
Cheers,
Mark
WellsWood
Young Tree
 
Posts: 82
Joined: June 2010
Location: Welling, Kent
Has thanked: 1 time
Have thanks: 1 time
First Name: Mark

Re: Fuming oak

Postby Beowolf » Mon Jul 26, 2010 9:53 am

What will ammonia do to sapele?

I suppose it if has no tannin the fuming will have no effect, but I just want to check it won't turn it bright pink!
Beowolf
Young Tree
 
Posts: 132
Images: 7
Joined: July 2010
Location: Suffolk
Has thanked: 0 time
Have thanks: 1 time
First Name: Johan

Re: Fuming oak

Postby Ian McAslan » Wed Jul 28, 2010 3:31 pm

Never been asked that question before and we have members of staff that have been here for 42 years!

Best idea is to try a sample and see what happens, we'd be very interested to here your results. As a point of interest you can get industrial Ammonia in 5L here.
Smith & Rodger Ltd
bringing wood back to life since 1877
Online Shop: www.frenchpolishes.com
Ian McAslan
Sapling
 
Posts: 9
Joined: July 2010
Location: Glasgow
Has thanked: 0 time
Have thanks: 0 time
First Name: Ian

Re: Fuming oak

Postby Damian » Wed Jul 28, 2010 11:07 pm

I fumed some oak for the first time recently, read various bits of info and there was also an article in Good Woodworking earlier in the year that listed fuming effects on different species. Seem to recall that they said mahogany went a slightly richer and darker colour, guess same would apply to sapele.

I got my ammonia from reagent.co.uk and is the fairly strong stuff but not 100% - still required mask and gloves and an accidental waft in your eyes was enough to stop you in your tracks. I built a pine and plastic sheet (clear) fuming tent and sealed ALL of the gaps and holes with gaffer tape. With that strength and a 5mm depth of ammonia in 2 tupperware sandwich boxes I was getting the required colour in 2-3 hours, don't think I'd have the patience to use household strength ammonia.

If you want an idea of colour then my Stickley Chair is in the projects section here and a full WIP is on UKW - which also shows the difference between heart and sap wood when fuming. Incidentally, if you fume it for long enough then pine does seem to colour up a little, bit more streaky though - this was what happened to the frame on my fuming tent (which I sat on a big mdf base outside the garage as well, did fume inside the garage once and regretted it)
Damian
Young Tree
 
Posts: 269
Joined: May 2010
Location: Huddersfield
Has thanked: 3 times
Have thanks: 1 time

Re: Fuming oak

Postby Beowolf » Mon Aug 02, 2010 1:16 pm

I decided not to fume the sapele.

Actually, I was going to add a small sample to the tent while I was fuming the oak, but just forgot about it.

So, the 9.5% stuff finally arrived, I finished the fuming tent - ugly, but no leaks, and had a go.

I didn't know how much to use, or for how long, so tried about 150ml in a small dish overnight.

The top reacted much stronger than the legs, but I had an idea this might be the case.

From this:
Image

To this:
Image

I should try and colour match the photos for a better comparison.

It's gone much greyer than I expected, but has nicely hidden that blemish at the top right. We'll see what it looks like after some oil.

I hadn't considered what the dowel might look like after fuming, and it really stands out. It's generic 'hardwood', and has no grain whatsoever. Does anywhere sell named wood lengths of dowel?

A 3/4 view of before:
Image
Beowolf
Young Tree
 
Posts: 132
Images: 7
Joined: July 2010
Location: Suffolk
Has thanked: 0 time
Have thanks: 1 time
First Name: Johan

Re: Fuming oak

Postby Tom » Mon Aug 02, 2010 1:28 pm

Really nice. I must try this. Every time I've seen it done, I've been impressed with the result. The table is nice too!
Intelligent Workshop
http://www.intelligentworkshop.co.uk
Your local friendly Power Tool & Woodworking Retailer ;)

wizer woz ere
User avatar
Tom
Site Admin
 
Posts: 3700
Images: 13
Joined: April 2010
Location: Staplerock
Has thanked: 34 times
Have thanks: 27 times
First Name: Tom

Re: Fuming oak

Postby pommy » Mon Aug 02, 2010 10:52 pm

Beowolf wrote:I hadn't considered what the dowel might look like after fuming, and it really stands out. It's generic 'hardwood', and has no grain whatsoever. Does anywhere sell named wood lengths of dowel



dont know anyone that sells dowel but could you not make your own its very easy

Andy
from small acorns mighty oaks grow
User avatar
pommy
Young Tree
 
Posts: 135
Images: 0
Joined: July 2010
Location: West Sussex
Has thanked: 0 time
Have thanks: 0 time
First Name: Andy

Re: Fuming oak

Postby Alf » Tue Aug 03, 2010 9:55 am

Plug It do an assortment of hardwood dowelling.
Regularly Musing from the Workbench again: Das Blog
User avatar
Alf
Young Tree
 
Posts: 378
Images: 9
Joined: June 2010
Location: Wild West of Cornwall
Has thanked: 2 times
Have thanks: 2 times

Next


  • Advertisement

Return to Finishing

Who is online

Users browsing this forum: No registered users and 1 guest