401c Fire Retardant Material And Practices Flashcards
Safety standards are higher in which application?
Commercial
What is often more deadly than the actual fire?
Smoke and fume inhalation
A structural aspect that has an upgraded design to resist fire
Firewall
A special assembly to contain a fire in a public building
Fire separation
-often has a fire resistance rating
The durability of an assembly to withstand direct flame
Fire resistance rating
Firewalls are currently required to be built of?
Masonry
A device that triggers to contain a fire within a separation is called?
Closure
What does a closure label need to specify?
-manufacturer
-testing agency
-test standard
-date manufactured
-fire protection rating
What can void a closure?
-Any alterations to the closure itself
-removing, defacing, or painting over the label
Can you produce wooden doors constructed with proper thickness and gaps to meet the fire code requirements?
No, without a label it is not to code
What practice can cause a self closing door to be non compliant with National Fire Code?
Adding a stop to keep the door open, such as a wedge or elephant toe
What are the clearance maximums of a door to meet code, but still allow the door to operate properly?
3.18mm or 1/8” on meeting edges
9.5mm or 3/8”-3/4” bottom clearance
How does an approved hold-open device function?
An electromagnet holds the door open, and is attached to the fire alarm/smoke detector. When triggered the power to the magnet is cut, and the door will swing shut
What material is used to solder the two pieces of a fusible link?
Lead and tin
More tin = longer delay
The number classification given to a material to indicate how fast fire travels across the surface is called?
Flame spread rating
(FSR is determined by standardized testing)
Closure label
