GlazeGuard® 1000 is a composite panel for use as a glazing infill made by laminating two prefinished aluminum skins to substrates of tempered hardboard. These stabilizers surround a expanded polystyrene (EPS) or isocyanurate (ISO) foam core. These panels are designed for use as a replacement or complement to glass in windows, storefront modesty screens, railing inserts, etc. Similar in thickness to GlazeGuard® 1000 WR (both are 1"), these panels offer more impact resistance than the lightweight composition offered by the plastic core.