FIRE DOORS \ LOUVER

Louver Panels

Size

To be maximum 24" x 24" with fusible link only at the lower portion of the doors.

Application

Allowed to be used in fire rated honeycomb infill and rockwool infill (maximum density – 80 kg/m3)

Fire Rated Steel Louver should be installed below 1000 mm height from the floor level in the bottom half of the door leaf, minimum distance of the louver cut out from the door edges / as per our approval

Louver cut out – 1.5 mm thick galvanized steel C- Channel should be used around the steel louver for the reinforcement.

Louver Frame and Beading – 1.2 mm Galvanized Steel

Frame is welded to the door leaf and beading is fixed using M4 x 12 mm self- tapping screws, 3 nos. on each sides.

Louver blade – 1.2 mm thick galvanized steel blades are used.

Advantages

Louver provides free passages of air and sufficient light. It provides protection against excessive daylight and glare inside buildings without in any way affecting ventilation to create maximum air flow in and out.

Fire Ratings

BRISTOL fire rated louver with fusible link have qualified for the following ratings according to BS 475 part 22 standard.

Integrity up to 240 Minutes

ANSI /UL10C – Up to 90 Minutes

Approval Standard Infill Door Range Leaf Height (mm) Leaf width (mm) Max Area (sq.m) Louver Height Louver width Max Area (sq.m) Fire Rating (Min)
Intertek BS 476-Part 22: 1987 Honey comb Double From 2642 872 2.3 616 616 0.379 30/60/90/120
To 2110 1092
Intertek BS 476-Part 22: 1987 Honey comb Double From 2438 875 2.3 616 616 0.379 180
To 2117 1008
Intertek BS 476-Part 22: 1987 Honey comb Double Max 2032 840 2.3 616 616 0.379 240
Intertek BS 476-Part 22: 1987 Honey comb Single From 2642 918 2.425 616 616 0.379 30/60/90/120
To 2110 1149
Intertek BS 476-Part 22: 1987 Honey comb Single From 2438 921 2.425 616 616 0.379 180
To 2117 1060
Intertek BS 476-Part 22: 1987 Honey comb Single Max 2032 884 1.796 616 616 0.379 240
Intertek BS 476-Part 22: 1987 Rockwool Double From 2337 877 2.07 616 616 0.379 30/60/90/120
To 2120 966
Intertek BS 476-Part 22: 1987 Rockwool Double Max 2032 840 1.7 616 616 0.379 160
Q-MARK BS 476-Part 22: 1987 Honey comb Single From 2456 991 2.433 616 616 0.379 120
To 2230 1092
Q-MARK BS 476-Part 22: 1987 Honey comb Double door From 2456 991 2.433 616 616 0.379 120
To 2230 1092
Q-MARK BS 476-Part 22: 1987 Rockwool Single door From 2438 1092 2.662 616 616 0.379 90
To 2686 991
Q-MARK BS 476-Part 22: 1987 Rockwool Double door From 2438 1092 2.662 616 616 0.379 120
To 2686 991
UL UL 10C Honey comb Single door Max 2136 1040 2.22 616 616 0.379 90
UL UL 10C Honey comb Double Max 2136 1040 2.22 616 616 0.379 90
UL UL 10C Rockwool Double Max 2945 1340 3.946 616 616 0.379 90
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