u/zazachard

​I am planning a large-scale, heavily textured mixed-media piece(think something like Anselm Kiefer) thick, impasto surfaces. I'll be working on a high-quality, sealed plywood substrate.

​Regarding archivability, cracking, and adhesion, how do Knauf Goldband (gypsum plaster with aggregates), Plaster of Paris, and artist-grade Acrylic Moulding Paste compare over time? Which of these combinations is considered truly museum-grade, and what steps should I take to prevent delamination or chemical degradation of the wood?

Appreciate ur help guys.