BCarter27 Posted August 12, 2019 Share Posted August 12, 2019 21 hours ago, GreatEscape said: acid-free foam board Sounds like a good system! But it's worth noting that only the surface of archival foam core is safe. The foam core will still off-gas, particularly in a sealed bag. You might want to consider regular archival boards. Link to comment Share on other sites More sharing options...
