View Full Version : Vintage Martin Grain filler

Pukulele Pete
05-23-2011, 01:41 AM
I've been watching videos and reading about grain filling and I wondered
What the Martin factory used in the 30's for a grain filler ? Did they use one?

Pukulele Pete
05-31-2011, 10:28 AM
For anyone interested so far I have found out that they used to use a product called " PORE-O-PAC " but I'm not sure when they started using it.