Bleaching Oak Wood Stains,Storage Locker Plans,Lie-nielsen Block Plane Sale - .

29.12.2014, admin  
Category: Toybox Woodworking Plans

By Michael Dresdner There are four types of bleach that woodworkers commonly use: chlorine, two-part wood bleach, oxalic acid and peroxide.
Common household laundry bleach (sodium hypochlorite) will kill mildew on your deck and outdoor furniture, and will remove dye-based stain, but not pigment-based stain, from wood. Fortunately, deck stains are formulated with pigments, so they are not affected by the bleach. A package of wood bleach contains two bottles, usually labeled “A” and “B.” One contains lye (sodium hydroxide) and the other peroxide (hydrogen peroxide).
Iron, in the form of nails, hardware, or even bits of steel wool, often leaves a blackish stain on woods high in tannin, like oak. Maple is prone to a particular type of blue stain that is caused by mold during the drying process. You can buy 35- percent peroxide solution from a chemical supply company, or borrow it from your box of two-part wood bleach. Chlorine bleach, full strength, easily removes most dye-based stain (right) but will not bleach raw wood white (center), nor will it remove pigment-based stain (left). Two-part wood bleach takes the color out of most dark woods and blends maple heartwood color with its sapwood. Oxalic acid dissolved in water removes black iron stains like magic from tannin-rich wood like oak.This story originally appeared in American Woodworker April 1999, issue #72. American Woodworker magazine was acquired by F+W Media (parent company of Popular Woodworking) in 2014.
The contractor looked at me bemused, and after a pause informed me of potential damage to the fibers of the wood caused by the bleach.
I handed him a printout of the instructions, which called for a tedious process of bleaching the floors (twice), mixing a stain, and finishing with three layers of water-based poly (oil-based polys can turn amber over time). Chlorine bleach will remove most dye-based stains from raw wood but will not lighten the wood itself.


It should remove the color by the time it dries, but for stubborn stains, repeat the process.
A strong, 35- percent peroxide solution, like the “B” portion of wood bleach, can usually remove the stain. This is mostly used for removing old finish as well as scratches.[9] sandpaper with 220-grit is fine grade and is generally for lightly sanding just before applying stain to the wood.
After two days, use store-bought wood cleaners to remove grease, oils, or grime.[15] Your wood needs to be spotless in order for oxalic acid to work properly.
Let the wood dry completely, usually overnight, then sponge off all residue with plenty of clean water.
In extreme cases, when the peroxide alone won’t do the trick, two-part wood bleach will.Click any image to view a larger version. To remove mildew from your deck or exterior furniture, first hose off the wood to remove any loose debris.
A wash of oxalic solution removes these stains as well as the grayed color of oxidized wood.
Sometimes stains are caused by broken- off nails or bits of fencing that are hidden in the wood. Two-part wood bleach turns red oak bone-white, without obscuring the grain the way a pickling stain would. As I walked into the living room, my contractor presented his labor of love: pink-hued oak floors. To resolve the "red" problem, he suggested a range of dark stains: ebony, walnut, and chestnut, which are commonly used on red oak flooring. Though staining is optional, applying finish is crucial for protecting the surface of wood as well as enhancing its appearance. You will also be able to learn how quickly the bleach will be absorbed by the wood and how long it takes to dry.


Any oxalic acid residue left in the wood will make irritating dust when you sand, so wear a dust mask and eye protection.
If you live in an area where mildew is a problem, choose a deck stain that contains a mildewcide, or add some yourself. If you are removing the stain from an old piece of furniture that you are refinishing, make sure all the finish is off the surface and lightly scuff-sand it first. Bleaching may also be necessary before refinishing wood that is stained by water spots (such as rings left by glasses), or if the color has become blotchy and uneven in certain places.
Make sure you apply a nice, even, and liberal coat.[12] For a lighter shade, wipe the stain off immediately after application.
After the bleach dried, our contractor applied a Duraseal Country White stain to the old floors (leaving the new floors without the white stain).
Lay garbage bags under the wood to prevent the chemicals from permanently ruining your floor.
A sealer was applied to keep the wood bleach from changing the color of the floor after the process was completed (apparently, without the sealer the bleach can cause the wood to change colors), and finally, two coats of Zenith Matte Waterborne Polyurethane Finish (for commercial use). Bleaching wood is often a necessary step when re-staining a dark piece of furniture to a lighter color.
Once all traces of the finish and varnish are removed, let the wood dry for at least 2 days.



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Comments to “Bleaching Oak Wood Stains”

  1. AYDAN:
    The directions are clear (and often sure you can see something that.
  2. Vasmoylu_Kayfusha:
    For it, by drawing the deck is linked to the main construction wood working desk.