Label:

UL 1-1/2 hour label

Maximum Size:

9' x 4' (2743mm x 1219mm)

Curtain:

Interlocking 22-gauge stainless steel slats (660 Series)
Interlocking 22-gauge galvanized steel slats (661/662 Series.

Integral Frame/Guides:

No. 4 finish stainless steel (660/662 Series.
16 gauge primed steel (661 Series).

Sill:

14-gauge steel or stainless steel completely enclosed with fireproof acounstic filler.

Hood:

No. 4 finish stainless steel (660/662 Series).
Primed steel (661 Series)

Operation:

Manual push-up

Mounting:

Between jambs

Locking mechanism:

Interior slide bolts