Category H Smoke and Draft Control Gasketing, kerf applied to wood and steel door frames in up to 20 minute positive pressure locations.
Model No. V-9650, V-9928 and V-9740.
LIMITATIONS
If installed in listed wood frames & listed steel doors, it will be allowed for a 20 minute with hose rating.
If installed in listed steel frames & listed steel or composite core (with required intumescent edge seal) doors, it will be allowed for up to a 20 minute rating.