Firestop Materials
This Firestop material comes in square or rectangular shapes and is used on the outside of electrical boxes.
What are putty pads?
This is the 1st letter used in a Firestop system that covers both Floors & walls.
What is C?
This term is used when any material is able to catch fire and burn easily.
What is combustable?
This rating is expressed in hours on the "Non Fire Side" of the fire rated system that does not exceed 325 degrees above ambient temperature.
What is a T-rating?
This person currently holds the position of Local 7 President!
Who is Monty Anderson
These Firestop components are commonly used to "tuck in" to wall penetrations and can expand 10%-60% when a fire occurs
What are wrap strips?
The numeric code range that Firestopping cables would be found.
What is 3000-3999?
Fire class of energized electrical equipment.
What is Class C.
This is the act of restoring the hourly fire endurance rating back to the manufacturers specifications.
What is Firestopping?
This rating, expressed in hours, indicates a specific time a product has been tested withstanding passage of fire and a successful hose stream test.
What is an F-rating?
This is the year that Local 7 signed their Charter with the International.
When was 1912
This type of coating or sealant swells up when heated
What is Intumescent?
The numeric code range that Firestopping Bus ducts and other miscellaneous electrical penetrations would be found.
What is 6000-6999
When a fire is in contained in a compartment, the smoke will tend to develop into layers according to temperature.
What is Thermal Layering.
This specific testing is currently on the top of the priority list for smoke rated construction.
What is an Air-leakage test?
This rating, for air leakage & smoke, is measured in cubic Ft per minute 2 ambient temperature & 400 degrees.
What is an L-rating?
This section of the CBA is where you you would find language regarding "hours of wok"
What is Article Vl
Very common fire resistive wall covering. Made of gypsum, starch and water then sandwiched between two layers of special paper.
What is Drywall/Sheetrock?
The numeric code range that Firestopping mixed multiple penetrations would be found.
What is 8000-8999?
Rapid transition between growth and fully developed fire stage. Conditions within compartment change very rapidly from partial to full fire involvement.
What is Flashover.
This is the ability of a material to return to it's original shape.
What is Elasticity?
This is the practice of dividing space into fire resistant areas.
What is Compartmentation?
This amount of Related Supplemental Instruction hours is required by the state of Washington, to successfully complete 1yr of the apprenticeship.
What is 160 hours
This type of material burns away at a controlled rate.
What is Ablative?
This code prescribes the pressure and duration of the hose stream test.
What is UL-1479?
This term is used when a fire growth is limited by the air supply within a compartment.
What is Ventilation Controlled.
This term is a failure from grease, dust or shrinkage characterized by rupture within the sealant.
What is Cohesive failure?
The penetrant enters only 1 side of the fire barrier and does not exit.
What is a membrane penetration?
This is where the fundamental principles of local 7, which determine the responsibilities of our officers and members, can be found.
What is the Local 7 const. & bylaws.