Secure Temp S2100 insulated square radiation shield

Can be used when the insulated chimney passes through an attic ceiling from below. Suitable for applications with flat, vaulted or cathedral ceilings. Integrates firestopping and attic radiation cut-off in a single room. Factory-installed insulation and collar are included. Effective height (length) with standard extension is adjustable from 24″ (61 cm) to a maximum of 46″ (116.8 cm).