# Thermoplastic PETG Sheet: How to Qualify It for Vacuum Forming and Custom Fabrication *Published: August 2026 · Thermoforming · Sheet Materials* PETG has a reputation for being an easy material. Ask anyone who has formed it once, and you will hear that it heats cleanly, stretches predictably,
Solid, Hollow, or Multi-wall Polycarbonate Sheet? A Project Selection Guide
Choosing between solid, hollow, and multi-wall polycarbonate begins with the job the panel must do. Solid sheet suits projects that need clear vision, localized impact resistance, or fabrication. Hollow and multi-wall profiles are usually evaluated for daylight roofs where lower weight and air-spa