Hello Everyone,

I'm very new and starting my first build, but this will be the 3rd time finishing (or refinishing) an instrument. I'm in the process of planning out my build and have one question:

How do you pore-fill/level-sand with the bridge tape-mask on the top?

I have followed this exact process to great success with my first two pore-fills using Z-Poxy:

I plan to use z-poxy again to fill the pores in the solid mahogany I'll be using. I want to mask off the bridge footprint to make it easier to apply the finish evenly, but I just have this feeling that it will rip right off when I level sand the z-poxy.

Do I pore-fill over the bridge area, sand to bare wood, then mask the bridge area?

Do I mask the bridge area and just be careful to sand around the tape-mask?

Please help!

Thanks so much!



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sylvan, I just picked up some frisket .001 film on ebay, I'm going to give it a shot and carefully go about it:

  1. Apply frisket to general bridge area
  2. Locate bridge
  3. Trace bridge outline onto frisket film
  4. Scribe/cut-out frisket film 1mm inside the bridge outline
  5. Pore-fill with z-poxy 3 coats, level sanding between coats (I'll most likely sand by hand right around the frisket film and use a finish sander for the rest of the instrument).
  6. Finish with TruOil, as many coats as needed, 0000 steel wool buffing between coats

If anyone has any improvements to this strategy/plan, I'd greatly appreciate it! Thanks!

You don't need to cut the frisket 1mm inside the bridge line. It lays very flat and protective; just use your cut around the bridge line. It will work fine!

All other procedures sound fine.

Best of luck!

Thank you so much.


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