Acceptable Materials

XPS Foam (Extruded Polystyrene: Blue and Pink)

HDU (High Density Urethane Foam)

MDF

LMDF

Plywood

Hardwood

Materials Requiring Approval

Aluminum

Acrylic

Prohibited Materials

EPS Foam (Expanded Polystyrene: White Bead Foam)

Ferrous Metal

Glass

Fabric

Plaster

*If a material is not on the list, the material will be considered prohibited until approved by the Lab Coordinator.