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Posts Tagged ‘demos’

How to Finish Quarter Sawn White Oak For the Best Figure

Wednesday, February 5th, 2014

Quarter sawn white oak finish examples

Whether you want a light, natural color or a dark color, there’s a way to make the figure really pop out. The raw quarter sawn white oak board on the left is compared to a dark mission finished piece and a piece finished with Danish oil.

Stop right there. Before you finish your quarter sawn white oak projects, consider how to make that beautiful ray figure jump out. The good news is that you have several simple techniques that provide impressive results. It takes no special hard-to-master technique, or an arsenal of chemicals, or a new set of tools to add to your shop.  In fact, you can get a popping finish without even stepping foot into a “real” woodworking shop.  You could do this within the tight confines of a veranda of a New York City apartment if you had to.

In this video we demonstrate 3 nice ways to finish quarter sawn white oak to get the best pop from the figure.

(ALSO: See our selection of quarter sawn white oak lumber while it’s on sale) read more

3 Great Ways to Hide Sapwood in Walnut

Wednesday, January 1st, 2014

Even colored walnut lumber

Look close. This piece of walnut is not only finished with a clear lacquer but the light colored sapwood has been evened out to nearly match the heartwood. Woodworking with walnut today means dealing with the sapwood. Here are 3 ways.

Few people approve of pale sapwood in their walnut lumber,  but in the words of  Jim, a salesman at one of our faithful walnut suppliers back east, “When people ask me for a 100% heartwood face in walnut, I just tell them they’re dreaming.” You may be tired of hearing that sapwood isn’t considered a defect when it comes to grading lumber, however it is an industry fact. Lumber grade is a mathematical computation of the amount of clear wood in a board – so says the National Hardwood Lumber Association, the organization responsible for defining the rules of the lumber trade.

“But it’s a defect to me,” says the woodworker.

So what’s a woodworker to do? Fortunately, lumber producers separate their walnut inventory not just by grade but also by color. The good news is 100% heartwood walnut can be had; the bad news is few can afford it. For the most part, about the best balance between color, cost, availability is called 90/70 heart: that means 90% heartwood on the face, 70% heartwood on the back. Remember, lumber has two broad sides, a face and a back, and when building furniture and cabinetry, only one side is displayed in the final product.

Sure, it’s possible to find some 100% heartwood boards from time to time, but on a consistent basis and in large quantities? Not really. And therefore, when you visit your nearest lumber supplier, you’ll never have a perfect pile of full brown walnut to select from. Full heartwood boards are the exception to the rule, so it’s time to look at how woodworkers are using walnut in today’s woodworking.

You’ll find a number of discussions and blogs about this topic, and a good one in particular is this found at Lumber Jocks, www.lumberjocks.com/topics/10565, which discusses three ways woodworkers overcome sapwood.

3 Ways to Deal with Sapwood in Walnut:

  1. Cut sapwood off, and/or hide the sapwood on parts that will not be seen frequently
  2. Live with sapwood in your finished project
  3. Use a dyeing and staining process to make the color even

Those first two are straightforward.

Dyeing and staining needs some explanation, though. Since you’re not going to be able to go the woodworking store and buy a bottle of Sapwood Hider right off the shelf – alas, no such miracle exists – there are a couple of steps involved, but they’re easy.

Walnut board

Walnut board clearly shows a sapwood edge until the piece is dyed, sealed, stained, and finished. A saw kerf line separates the two sections.

For this method, we’re specifically talking about dye and there are a number of dyes on the market, usually mixed with water or denatured alcohol. Dye is different from stain, as dye doesn’t obscure the grain, which is pretty important when using walnut.

The basics:

1. Apply a very diluted dye in a color of your choice to the entire piece, heartwood and sapwood. The dye used in the pictures here is Behlen Solar-Lux™ medium brown walnut color. Solar-Lux™ is UV resistant and fade resistant, which is great because when walnut is left natural, it eventually turns very tan. Walnut ought to be dyed or stained anyway to retain a pleasing color. Note: Medium brown walnut Solar-Lux™ dye will appear orange when you apply it, but that’s okay. The next steps will bring the color back to dark brown.

2. Seal the wood with a light coat of sanding sealer or shellac. This needs to be thin to allow for the next step to have some effect.

3. Apply an oil-based stain on top of the sealer. Wipe it on, wipe it off. This adds a touch of pigment to the pores equally to you get a consistent color across the board.

4. Apply your clear finish of choice. Varnish, lacquer, etc.

It should go without saying that you should always test your dye process on a few test pieces before committing the dye to your final product. You’ll need to test different dilution ratios of your dye before you get the color you want.

Dyeing walnut is not very difficult, but it will take some time. However, you’ll greatly increase your yield of wood and you’ll make the beautiful walnut color last much, much longer than you would if if were to leave the wood natural.

Sapwood stripe along the edge of a walnut board

This part of the board is finished with just a clear coat of Zinsser Sealcoat and lacquer. The sapwood strip stands out. Eventually the color of this board will lighten.

Closer, showing the change in sapwood color

Closer, you can make out where the sapwood is nicely colored and very nearly matches the heartwood color thanks to the dye process

Even colored walnut lumber

The end result is a pleasing walnut color that will last a lifetime.

3 Ways to Finish Sapele That Makes Ribbon Stripe Figure Pop

Tuesday, November 19th, 2013

Sapele lumber with finish

Sapele is a versatile and beautiful wood that can take many kinds of finish. Here it’s shown, top to bottom: raw, dyed & stained, clear sealer/lacquer, and Danish oil with lacquer

It’s easy to love sapele lumber, especially for furniture and cabinetry. The wood is well-mannered when it comes to machining and working it with hand tools, making it a pleasure to use in woodworking projects. But it’s also downright beautiful with flowing ribbons of stripy figure trailing from end to end of the boards. Plus, the boards tend to be big, and utterly consistent.

Somewhat mahogany-like in color, but

So how do you make the ribbon stripe figure look its best? There are a few ways, and in the video above we show you three pretty good methods.

  1. A simple clear finish of SealCoat and spray lacquer.
  2. A coloring method using light dye, some sealer, a quick stain, then also spray lacquer
  3. A natural Danish oil also topped off with spray lacquer

Each method gives a different look, but as far as making the ribbons jump out the most, I think it’s with the Danish oil and lacquer.

Check out the video, and decide what’s best for you. Read more about these finishing processes below.

 

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Finishing Method #1: Clear Sealer and Lacquer

clear finish on sapele

One of our favorite sealers around here is Zinsser SealCoat. It’s a dewaxed shellac that’s crystal clear. The reasons for this sealer are varied, but the best of SealCoat is that it’s a universal sealer. Any protective topcoat can go on top of it, solvent based or water based. SealCoat in particular dries exceptionally fast, which means you can sand it as quick as 10 minutes after applying it, working up 3 or 4 coats between pulling in the driveway after work and sitting down for dinner. SealCoat also sands smooth with just a couple of easy strokes, and the combination of quick-drying and fast-sanding helps you get to a baby-bottom smooth surface rather quickly. In turn, your varnish or lacquer finish that you apply on top of SealCoat has a much easier time going on smoothly. Using sealer helps you achieve a glassy finish with the least amount of elbow grease as possible. To do a simple clear or natural finish on sapele, you’ll be well served to do 3 coats of SealCoat first, sand between each coat, then shoot the final 3 coats with lacquer. You’ll get a beautiful and natural finish.

Finishing Method #2: Dye, Sealer, Stain, Lacquer

sapele with dye and stain

To add color to sapele with a stain, you don’t want to apply an oil pigment stain straight to the raw wood. The stain will actually reduce the shimmer in the ribbon figure, making it dull because it mainly stays on top of the wood. Instead, if you want to color the wood, use this simple process. Using an amber colored dye, thin it to about 20% dye and apply a coat. Once that dries, apply a washcoat of dewaxed shellac. A washcoat is a very thin application of sealer, in this example we thinned the sealer by 25% (1:4 ratio of denatured alcohol to SealCoat). Once the sealer has dried, use an oil stain, the shade you choose depends on the result you’re after. This sample, above, has Zar Merlot #140. Simply wipe the stain on, then wipe it off. Once the stain dries in 12 hours or so, you can then apply a protective top coat. In this case, it’s spray lacquer. But polyurethane or another varnish will work too.

Finishing Method #3: Danish Oil, Lacquer

Danish oil on Sapele

Oil finishes like Danish oil or boiled linseed oil frequently intensify the beauty in certain woods yet offer very little protection from scratches, drink rings, and other hazards around the house. Fortunately, you can apply any good, hard finish on top of these oils once they’re dry—getting the best of both worlds, beauty and protection. That’s certainly the case with ribbon stripe sapele, too. You can see how intense the contrast gets with this recipe. It’s simple to pull it off. Prepare your wood surface as you normally would by sanding to 220 grit or so, then apply the Danish oil just as it says to do on the can. Wipe it onto the surface liberally, wait 30 minutes then wipe off the oil. Unfortunately sapele is a wood that will soak it up unevenly and send little dots and eyes of oil rising back to the wood’s surface. So you’ll need to keep your eye on the oiled wood for a couple of hours and wipe off the dots of oil. Once the oil dries, apply a couple of coats of sanding sealer to get to a glassy smooth surface, then spray 2 or 3 coats of lacquer. The results are stunning.