Apply 1 or 2 coats of a clear sealer like zinsser sealcoat.
Vinyl seal coats swamp ash.
I shoot it pretty thick sand almost all of it off then shoot it again and sand it with 320.
First things first you will need to assess whether your guitar is suited to this type of finish.
The seal coat is nothing more than a thinned coat of the finish that you apply to the wood.
As the name implies the highlighted grain stain finish is a tinted transparent finish that accentuates the grain pattern of your guitar and is sealed with a clear oil finish.
Mine was ash though not swamp ash not as grainy.
Of course you will want to go over the top clear coat with sandpaper to slowly get the finish smoother and smoother after every coat has been applied and.
Why color the wood if you don t want to.
Not sure if you have minwax in europe but they have all sort of colours and will definitely have a rosewood one.
Ash is opened grain so may need filler unless you wan t to use lots of sanding sealer.
With swamp ash you need to fill and seal 1st the grainis very deep some like them without this and more natural but to me it all looks too deep use a filler with the red or brown stain in it to make the grain pop dont wet the surface down add some stain to the sealer remembering you sand back after every sealer and filler coat after your final prep rub some water based stain to your.
Here s my most recent one in mary kay white nitro there is zero grain relief on this one.
If you dont need to use a filler or if you don t want to stain it seal it lacquer it.
If you are using varnish or polyurethane dilute varnish by 50 with mineral spirits apply a thin coat and let it dry for several hours.
Btw this body weighs only 3lbs.
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Prepare the wood as normal sanding to 220 grit or so.
To seal swamp ash i use fullerplast.
I cant remember what grit i got down too but i went super fine over 320 and didnt grain fill.
Here s a way to improve the natural contrast in ash while keeping its main pale color.
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