Cladding And Lagging By Ben Flashcards
What is the primary purpose of cladding or lagging?
To protect the insulation beneath it.
What types of protection are there?
Weather-proofing
Fire-proofing
Chemical resistance
Sound proofing
What is the most used material for fireproofing?
Stainless steel.
How can cladding materials be designed to reduce noise level?
With the use of an additional rubber liner to help muffle the sound.
What is the most common cladding material?
Aluminum
What are the advantages of aluminum as a cladding material?
Lightweight
Easy to cut
Relatively expensive
Readily avaliable in formed peices
What are the disadvantages of aluminum?
Low strength
Not very chemical resistant
Not fireproof.
Stainless steel is used in what specialty application?
Petrol chemical industry, because of its resistance to fire and chemical attack.
What are the disadvantages of using stainless steel?
Very expensive.
Very difficult to cut and form.
What are moisture barriers used for?
Prevent chemical attack at the metal insulation interface.
What is a muffle jacket?
A cladding material that has an inside rubber liner added to lower sound levels.
What is the most common finish?
Smooth finish, which has no grain or emossment. It is highly susceptible to scratching and denting.
Corrugated finishes are very commonly used and are more scratch & dent resistant than smooth finish. True or False?
True.
Which finish although not commonly used, is the most scratch and dent resistant?
Corrolon.
When are mitered elbows typically used?
Mainly on large mitered elbows, sweeps, or where it is difficult for you to use pressed elbows.