Problem is as soon as you start any significant sanding you loose the gray.
Refinishing on barn siding.
Then the idea was born to use this as the top of my craft room work table.
I used minwax polycrylic water based protective finish in clear satin.
Repair the siding last as it is the least critical component protecting the building and for safety.
If that is the way you want them to look i would blow them off with compressed air then shoot 2 or 3 coats of shellac on them.
Good luck with your project.
Finishing sealing ok so here was the big dilemma.
Then to get rid of bumps or imperfections press 220 grit sandpaper against the wood s surface.
Many old barns were re sided with southern yellow pine around the 1920 s 1940 s.
Use a wide paintbrush to apply the stripper to a 2 to 3 foot wide area of the siding.
Original siding contributes greatly to the historic character and appearance of agricultural buildings and is often a good indicator of their age say johnson and visser.
Once the wood was dry from its cleaning i used a regular paint brush and sparingly applied the minwax finish.
The shellac will seal in any of the old that remained and should seal off the oder.
Feb 24 2014 see part one of our diy headboard here part two.
From there you can top coat if you wish.
Also it seemed like.
Before i could turn the barn door into a table top i needed to clean the wood up.
I hope this helps.
You guys this stuff is amazing.
Apply chemical stripper to the siding.
Test on a piece to see if you like the process and finish.
Rub the 220 grit sandpaper in circular motions around the wood s surface then brush away any residual sandpaper dust with a washcloth.
It can be more expensive than the previous two.
Wait for the barn wood to air dry for at least 1 2 hours before sanding it.
Cedar is always a good choice for rot resistance and it is good for keeping pests at bay.
Make sure not to use too much.
Allow to sit until the stain begins to lift and bubble.
The last step to clean and refinish your reclaimed wood is to properly seal the wood.
A friend and i managed to find a beautiful barn door and so i took it home and it sat in my garage for quite some time.