
Resin panels — commonly called plastic — are available in two general chemical compositions: acrylic and PETG (polyethylene).
Overview
Resin panels — commonly called plastic — are available in two general chemical compositions. In general, acrylic panels are more rigid, but do not have as high a fire rating as PETG (polyethylene) infill panels.
PETG has a Class A fire rating and is less rigid than acrylic. Both are more expensive than glass, but will meet structural loading as long as the thickness is at least 3/8" and as long as they are properly captured at post or rail.

Key Benefits
PETG has a Class A fire rating — superior fire performance compared to acrylic.
Acrylic panels are more rigid than PETG, but do not have as high a fire rating.
Both compositions will meet structural loading as long as the thickness is at least 3/8" and they are properly captured at post or rail.
Both acrylic and PETG are more expensive than glass — factor this into specification decisions when a fire rating or impact resistance is not required.
Specifications
Documentation
Compatible Systems
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