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v=kt7lrXy7D9A
https://www.youtube.com/watch?v=-qnjLSdHb4U#t=316.290952
Wood Finishing
By: Michael Bryan
Finishing Safety
When in lab, wear your safety glasses.
Wear Proper clothing to include apron and gloves.
Wash hands immediately after use of any finish.
Keep solvents away from heat.
Use in a ventilated room.
After using any finish, close all containers and put
away properly.
Stir, do not shake container
Clean up any spills that may be a hazard in the lab.
Rags used to apply stains should be stored in a
fireproof container.
Finishing Wood
Finishing wood refers to the final step in any
woodworking project. More specifically,
finishing means applying one of many kinds of
protective coating, usually clear, generically
called "finish".
The two main reasons for finishing wood are:
To protect it
To add to it's beauty
The Process has Three Steps
Start by sanding the wood
Then apply a stain
Finally, protect the wood and
bring it to life with a Finish
Preparing the Wood.
Part 1
Step 1
Use a putty knife to Remove any excess glue that was used to
assemble. Sand down the wood. Wood will have flaws like scratches
and dents. Before applying any stain, finishing, or paint, you need to
sand down the wood to allow you apply to new materials and prevent
the flaws from being highlighted.
• If the flaws in the wood aren't sanded away, the
finish that is applied will only highlight and expose
any marks or scratches.
• Start with sandpaper that has a grain of about 80 or
100-grit. In most cases, this will remove any of the
flaws without causing worse problems.
• Always sand with the grain of the wood. Don’t sand
against the grain
Step 2
Repeat the sanding process with a
progressively finer grain. You want to sand
down the wood until you've reached anywhere
between 150 and 180-grit. Repeated rounds of
sanding will remove the coarse-grit scratches
from the previous passes.
Step 3
Inspect the wood to determine whether or not
you're satisfied with the surface.
Note that too much sanding in an area that has a blemish
may only make it worse.
Be careful to try and get as smooth of a surface as
possible. Some areas may just have quirks that can't be
completely removed.
Step 4
Wipe down your wood and remove any
dust. After you've sanded the wood go over it
with a rag to wipe it down and remove any
excess material. If you don't wipe down the
wood before you apply your stain, you can
cause uneven parts and blemishes.
Part 2
Staining the Wood
Step 1
Test the color before proceeding with a
stain.
In doing so apply a small bit of stain to a similar
piece of wood. If you are satisfied with the color of
the stain you can begin staining the wood.
Leaving excess stains on the wood won’t affect the
color very much, but can leave blotches and an
uneven surface.
If you don’t like the color of the stain, try mixing
different stains together.
Step 2
Apply the stain using a rag or a brush.
Brushes work better than rags and will help you apply the
stain more evenly.
Blend the stain into the wood thoroughly and make
sure you are applying it evenly. Go over your
brush strokes several times to spread the stain out
and create a smooth area.
Step 3
Start by applying the stain in a small area, so you
can get familiar with the drying time.
If a stain dries too quickly, it can be re-liquefied by
applying more stain. Wipe off the excess stain
right away. Once you know how long it will take
the stain to dry you can begin staining the rest of
the piece. If the stain isn’t dark enough, you may
want to apply several coats.
Step 4
Continue applying the stain, brushing on a
wet coat and then wiping away the excess
before it dries.
Always complete one surface at a time. Don't
double up the application of your stain on any
areas that have been completed because this will
cause a color change.
Make sure to add new coats while the previous
coat is still wet.
Part 3
Finishing the Wood
Step 1
Pick a finish for your wood.
Choose a clear finish that has a level of gloss you
want for your wood. If you get a glossy finish, your
wood will have more of a sheen or glow than a
finish with less gloss. Varnish provide a tough,
protective top coat and brighten the color of your
project.
Step 2
Apply a finish to protect the wood from
water damage, dirt, or stains. Just like you
did with the stain, use a natural bristle brush to
apply the stain, going with the grain of the
wood, not against it
Step 3
Paint the finish onto your wood using a
natural bristle brush.
You can also use a foam brush that is about 2
inches (5.08 cm) wide. Allow the first coat to cure
overnight.
Step 4
Sand the finish down once it has dried.
Sand the first coat using 280-grit sandpaper, or a
finer sandpaper if you don’t need to do much
evening out.
Remove the dust with a tack rag or a vacuum and
then apply the second coat.
•Take your time, don’t Rush!!!
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