Compo
sition
sition
What is fiberglass insulation made of???
Fiber……and glass duhhhh that’s why it’s named that
What temp ranges is fiberglass best suited for
-40 to 1800F
Water affects which type of fibrous insulation the most
Fiberglass
What is the best tool to use for cutting fiberous material
A knife cause why use a spoon
What was banned in the 70s from Being used as insulation
Asbestos
What is mineral wool made of
Coarse and fine mineral fibers
Type of fiberglass better suited for high heat temps……jacketed or unjacketed
Unjacketed
Mineral wool has what advantage when in contact with water
It is resistant
Has hydrophobic properties
What PPE can protect you while handling the material
Gloves, Mask, safety glasses
true or false. Human hair is thinner than fiberglass
False
What type of binder does mineral wool use
heat resistant binder
true or false…mineral wool can be used on hot applications
True… mineral wool is used on hot-1800F
What would be used along with fibrous insulation in a high traffic area
Jacketed
Fiberglass is crushable and fragile
Mineral wool cannot withstand physical abuse
When working with fiberous material what is the recommended PPE
Gloves, safety glasses, long sleeves, pants, mask
Grandpas barn has a rodent problem. Can he still insulate with fiberous material
Yes fiberous insulation is not attractive to rodents.
What material is melted to form the insulation products
Sand, soda, ash
Which type of insulation works with all temp ranges
fiberglass
When insulating a curved surface in an exposed area what type of wrap should be used
Rigid wrap
The V grooved slots allow the material to be conformed around the pipe more easily
What tool helps seal the material when working on duct wrap and pipe covering
Foil tape
Lap tape
Rubber downer
Back of knife
Cold
At what temperature are materials melted to create fiberglass
Over 2000 degrees
Which fibrous material would you use for a chilled water pipe
Fiberglass.
At what temperature do the organic binders burn off fiberglass insulation.
350F
What paste should be used to create a durable vapor barrier on fibrous material
Mastic
What causes mineral wool to not corrode metal
Neutral pH level