Ch. 8 * (Firestopping) Flashcards
Secondary functions of fire stop seals
Resists explosion
Compartmentation
Passive
Surviving fire test
Component dimensions
Anchoring
Fire-qualified components (selection)
Except “cost”
Qualified electrical apparatus
Except “conduit”
F rating
Hose stream
L rating
Air leakage
W rating
Water leakage
Additional fire stop testing
Except “fire stops do not add to load bearing capacity of structure”
Fire stop categories
Mechanical
Non-mechanical
Sleeve systems provide
Except “cable management”
Poke-through test methods
Small-scale fire
Mechanical and electrical integrity
Use putty when ___
Future entry is required
Putty
Pad
Putty Pads have ___
Excellent sound attenuation properties
Intumescent
Swell
Endothermic
Absorb
Ablative
Hard char
Fire stop caulk is best for ___
Permanent installations
Silicone foams are used for ___
Large openings
Pillows
Temporary
Bags
Poultry fencing
Glass fiber melting point
1200° F
Firewall penetrations should not exceed ___
16 sq” in a single stud bay
100 sq’ of total wall area
Hollow lath and plaster walls =
Framed wall
The ITS designer should use ___ when designing fire stop systems
Good engineering judgment
F rating =
2 hours
Life safety code
NFPA 101
UL 1479
Firestops
Fire stop material used for busy brick wall
Intumescent blocks
Picture of concrete floor slab with cable going through =
F rating
Why do firefighters vent the roof
Prevent heat buildup and collapse
Membrane penetration
One side of the wall
Establish a tight seal
Compression
Cementitious materials are ___ adaptable to large openings than putty
More
Membrane
Single side
Silicone foams require
Proper installation
Environmental conditions
Mineral wool batt
Rock wool
Slag wool
Mechanical firestops
Durable
Terms referring to fire stopping
CATLQual: classified, approved, tested, listed, qualified
Except “certified” or “categorized” or “verified”
