HomeUncategorizedA Step by Step Guide to Refinishing Furniture or Finishing Furniture
A Step by Step Guide to Refinishing Furniture or Finishing Furniture
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Refinishing furniture isn’t hard if you understand the proper steps and techniques. This is a detailed outline to restoring wood furniture.
So you are ready to refurbish a nice piece of furniture but
unsure the steps and procedures necessary to ending up with a great looking
piece. In this article I will outline the steps and direct you in their
Be aware, I am a detail guy so I’ll try to be in-depth and thorough. If you’ve built your piece and it doesn’t require repair and removal of old finishes then you can skip to STEP THREE – Choosing the Right Grade Sandpaper for Woodworking Project. If you’re refurbishing grandma’s old chest of drawers then continue reading.
Before you jump into a refinishing furniture, cabinetry or other wooden structure there are a few considerations to take into account. The big one is will the effort and cost be worth it in the end?
You should know the type of wood underneath all the old finish. Assess the condition of the piece for major damage. Will you need new hardware? Are there major un-repairable flaws like major splits or rotten wood?
Once you’ve made your assessment and decided to proceed. It’s time to disassemble the piece as much as practical. Remove drawers, table leaves, hardware, etc. It’s easier to work with smaller pieces and sections than a fully assembled project.
Taking a couple photos before starting might help you remember where everything goes when it’s time to put it all back together again. Place hardware and screws in a plastic baggie and label for later use.
REFINISHING FURNITURE STEP TWO – PAINT AND VARNISH REMOVAL
Removing old paint and varnish is best done chemical strippers. Heat guns can be slow and tedious especially if you have a lot of paint to remove and sanding can take forever. Organic citrus based strippers require hours to properly react with finishes. Plus organic strippers have to be wrapped in wax paper or newspaper overnight. If air gets between the paint and the stripper it fails and you have to start over. This again is slow, tedious and extremely messy. Plus they are not highly effective.
Below is a solid oak pedestal table that was a family heirloom salvaged and redone by one of my viewers, Melissa. Worth the effort? I’d say yes not only is it a solid oak but it was given to her children. Melissa wrote back “I wanted to drop you line because I just spent a month up north with my daughter and her family. You know the table looks great, it looks different than it did when I hauled it home from North Dakota 25 years ago but it looks cared for. The family eats at it every day, my grandson spills stuff on it daily and I smiled when I walked into the dining room and ran my hand over the surface it was like running into an old friend. Its going to (be) around for many more memories. I am finally sending you a finished photo. Thanks again.”
In the middle of her project we hooked up and she wrote “So somewhere in the middle of this table refinishing I discovered your Youtube videos but it would have been a bigger find if I had found them before I started. It is not a hopeless situation but there have definitely been moments that I would like to forget.”
Knowing the proper steps, the best products and having a list of easy-to-follow techniques will make your DIY project look professional and a lot easier to accomplish.
REFINISHING FURNITURE STEP THREE – REPAIR
Now is the time to make any necessary repairs.
Scratches can be sanded out, hardware can be repaired or replaced, veneers can be re-glued and deep gouges repaired. This is the right time. Before you go onto the next step to make sure all necessary repairs are made.
For scratch repair and proper sanding techniques I suggest my beginners guide to sanding on YouTube: Sanding Efficiently – The Second Step In Furniture Refinishing. Most everyone hates sanding. People including a lot of regular woodworking hobbyists’ waste time and energy sanding. Here I review sanding basics with some valuable tips.
REFINISHING FURNITURE STEP FOUR – SURFACE PREPARATION
I learned this many years ago the hard way. Your project
will only be a nice as the surface underneath your finishes. Finishes don’t
fill gaps or hide scratches and other imperfections. In fact, finishes tend to accentuate
Here again we go into sanding but this time it’s where to start and stop sanding. Too coarse of a grit and you will be left with sanding scratches. Too fine a grit and your stain won’t absorb properly. Stain, polyurethane, lacquer and shellac are best applied after the final sanding at 180 grit. Oil finishes need sanding all the way up to 320-400 grit. Sanding after staining and between coats of polyurethane is best done very lightly with a 220 grit sandpaper.
I’ve actually given dust removal an entire step because it’s so important. Dust is a woodworker’s worst enemy. It clogs the woods natural pores, leaves a rough surface and dulls the finishes’ sheen.
I use an air compressor and thoroughly blow out the entire
surface and its pores. I then follow with a very light wiping with a tack
Since most people don’t have access to an air compressor, a
good vacuum cleaner is a respectable substitute. Vacuum thoroughly and then lightly
Tack cloth should done lightly so as not to rub its tacky
material into the wood’s pores. This results in poor stain absorption and
finish adhesion. Tack cloth is readily available at most home centers, paint
stores and hardware stores.
REFINISHING FURNITURE STEP SIX – Blotch-Free Wood Staining
If you decide that you want to alter the woods coloration a
wood stain does the trick.
There are basically three types of stain available to the
average consumer. Oil-based, water-based and gel stains. Each have certain advantages
Oils, my favorite, are better for the wood and in my opinion
penetrate deeper. Since they are oil clean-up would be more difficult but we’ll
be using old rags that we’ll throw away anyway, so unless you spill your stain or
use a good brush to apply it there is no real clean-up.
Water-based stain is okay and if using a good “keeper” brush to apply it is in fact easier to clean up afterward. The big disadvantage is water is excessive grain raise. Applying any liquid to wood cause grain raise (kinda like split end in hair after shampooing). Water-based stains have much more grain raise issues than oil.
Gel Stains are good for vertical surfaces as they tend not
to drip. I have never been a fan of gel stains as I feel they retard stain
absorption and are limited in color selection.
KNOW YOUR WOOD
Certain woods BLOTCH. Blotching is an area darkened by
Wood, once a living organism, is composed of cells. Wood’s cells are long and cylindrical. They contain water just like human cells. Once these cells are damaged or cut the water within the cell dries up. These dried out cells act like sponges when exposed to liquids. Cut cells, commonly seen on cut board ends, soak up stain like a camel soaks up water at an oasis. Where that excess liquid stain is absorbed it is referred to as BLOTCHING.
Knots in wood are areas where branches once grew. This area represents a directional change of the woods cells. Woods with multi-directional cells tend to blotch.
All woods can blotch but the common “blotchers” are pine, fir, soft maple, cherry, birch, spruce, alder, poplar and cedar. These woods and most board ends need to be sealed before staining. Sealing open cells retards stain absorption leaving a more even stain.
Wetting wood with a any liquid (stain, polyurethane, oil) will cause grain raise the first and often times the second time you moisten it.
Grain raise is analogous to split ends in hair after shampooing. The wood fiber ends stand at attention. This is barely visible to the human eye but you can feel it once the wood has dried. The surface is rough almost fuzzy.
Be sure to very lightly sand with a 180-220 grit sand paper the day after staining to level grain raise.
REFINISHING FURNITURE STEP SEVEN – FINISH COATING
Here you basically have two choices a surface coating
(polyurethane, lacquer or shellac) or an oil finish (while there are numerous
oil finish choices, tung oil and linseed oil are the most common).
Surface coatings lay on top of the woods surface. They tend not
to penetrate into the wood.
Lacquer is commonly used when spraying finishes. It offers the same beauty and durability as polyurethane but its big advantage is second, third and subsequent coats can be applied within minutes without sanding between coats. The disadvantage is you have to have expensive spray equipment and proficiency in its use.
Shellac is the only “natural” finish out the three. Shellac
comes from India and Thailand and is produced by a bug called the lac bug. It
is not a durable finish and will leave water rings when a wet glass or heated
element is placed on it. It is seldom used these days.
These are the oil finishes. Any oil will tend to protect
wood. Technically you could use motor oil. The problem here is certain oils don’t
dry so the surface remains oily and is truly not suitable for practical usage.
Oils fall into two classes vegetable based oils and petroleum based oils. Classically the only petroleum-based oil used for wood protection is mineral oil.
Oils that come from plant based sources are called vegetable oils. There are two drawbacks to using vegetable oils as a finish. Over time vegetable oils turn rancid and most require periodic reapplication as their durability is poor.
The advantage to these oils is ease of repair. Just dampen a
rag a reapply.
My favorite oil is tung oil. There isn’t a more grain and wood beautifying oil than tung oil. It is a gorgeous finish, it is durable, it is water resistant and it is not subject to rancidity. The disadvantage is it takes weeks of coating and re-coating to apply properly. There is a proper procedure fully outlined on this website at this link How to Apply Tung Oil Properly -Tips & Techniques.
One of the most commonly used oils is Boiled Linseed Oil. This is oil made from flax seed that has chemical additives to resist rancidity, hasten drying time and it is thinned for ease of application. It is an inexpensive, readily available and easy oil to use. Boiled linseed oil is not considered food safe nor is ranked as completely water-resistant. For more detailed instructions How to Apply Boiled Linseed Oil Properly -Tips & Techniques.
Lastly mineral oil is commonly used in food prep areas. It is inexpensive, easy applied and nice in appearance. The drawback is durability. It will wash off with repeated dampening. It use is more for cutting boards, wood bowls, etc. Mineral oil is petroleum-based so it won’t turn rancid. This oil has been refined to such a high degree that it is classified as a “food safe” choice.
All the other oils:
There are dozens. I’m not going to get into a great debate because there are huge fans for a variety of oils. I will simply say that durability and rancidity are my concerns so I pretty much avoid them.
Wipe on polyurethane is not my first choice but it has its
place in the finishing process. If you project has thin spindles, difficult to
brush areas, areas where brushing might certainly result in runs using a rag to
apply polyurethane makes sense. Wipe on polyurethane is regular polyurethane
thinned to very watery consistency.
If you decide to wipe on polyurethane make it yourself! Wipe
on polyurethane is 4-5 times the cost of regular polyurethane and tends not to
reproduce the same sheen when using both a brushing and wiping technique on the
The other disadvantage is it requires almost double the
number of coats to achieve the same thickness and durability.
Finishing is not difficult and with
proper guidance virtually anyone can achieve a quality, durable, lasting,
professional looking finish.
I hope this all makes sense and helps
with your project.
Well that’s it.
Hopefully this is NOT THE END but A GREAT FINISH!! (Bad pun sorry)
best . . . paul
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