The dark hues seen on fumed oak come from the chemical reaction between strong ammonia fumes and the tannin that occurs naturally in oak white oak in particular. It is only the heartwood that takes the fumes of the ammonia.
I have never fumed anything i thought that oak was the only wood that could be fumed.
Fumed oak fine woodworking. Those haven t hit the fuming chamber yet a large rubbermaid container. In this video we compare the results using each type. Chris gochnour explains what you need to do to fume wood with ammonia and how to make a vaporproof tent to house the fuming process.
But fumed wood looks natural as if it came from the tree with that dark rich color. This same coloring technique is used in true chemical fuming and also in the art of fine furniture finishing to make color adjustments as. By ben strano mar 25 2020.
I keep a small amount about 1 cup of ammonia in a glass jar with a tight lid. Fumed oak stools. I m currently fuming several small picture frames using household ammonia 10 janitor strength.
I did finish one frame prior to fuming with a couple coats of bartley s gel varnish and another with some minwax tung oil specifically to determine what the effect would be if i fumed after applying an oil or varnish finish. For fuming oak should be chosen clear of sap as the sap always shows white. I have twice fumed oak and this is what i have found.
I suggest that you may get better answers on a finishing ng. The freshly turned oak had a rather bland appearance so i put the candle holder into a large plastic box with a saucer of ammonia and left it for a couple of hours. At this very moment i am fuming a morris chair i just completed.
The best ammonia for fuming white oak ammonia is usually found in three strengths household janitorial and industrial. Small items do fine in a cardboard box which is taped closed. Usually 3 or 4 coats is enough sand lightly with 320 grit between coats.
The results of fuming are quite different from the patina seen on aged cherry as that is a time based coloring and fuming will not create a patina. When you see wood that has been stained or dyed you know right away that it s been stained or dyed. Once the item is in the box i open the jar and set it the box.
Austrian wainscot takes the fumes the best and is the best wood for carving being clean straight and fine grained. Apply as many coats as neccesary to achieve desired finish. The item sat on the heads of three panel pins in a block of wood so that the ammonia could circulate around the candleholder.