Willtec foam is Class 1 fire-rated according to ASTM E 84 for flame spread and smoke density. It can withstand constant temperatures above 300˚, and will char but not ignite at temperatures above 1100˚ F. willtec natural meets the corner burn test UL1715.
SONEX Mini Panels, available in natural or painted willtec, are easy to install on any wall and/or enclosure surface with Privacy Urethane Adhesive.
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