CERM Steel and carpentry framing

What is the highest roof structural member in a home

• Ridge

• Hip

• Valley

• None of these

Why is it necessary to provide bridging for metal roof purlins

• To ensure the roof can support the weight of human traffic

• To help maintain vertical stability/stiffening of the purlins

• To allow insulation to be fitted in the roof space

• All of these

What does the C in C10015 stand for?

• Cross piece

• Carpentry roof framing standard

• C-channel purlin

• None of these

What is the timber roof member that metal roofing is screwed to ?

What roofing material can be supported by roof battens ?

• Metal deck roofing

• Concrete tiles

• Corrugated metal roofing

• All of these

What is the purpose of an under purlin ?

• Supports ceiling joists

• Holds the roof up

• Provides mid span support for rafters

• All of these

What is the role of a hanging beam ?

• Prop up underpurlins

• Support ceiling joists

• Provide diagonal support for the roof

• Support heavy light fittings

What are two main benefits of steel trusses ?

• Lightweight

• Termite resistance

• Fire resistant

• mould resistance

What does a roof strut support ?

• King rafter

• Ceiling joist

• Underpurlin

• None of these

What is the benefit of timber roof trusses ?

• Create long open spans below

• Speed of installation

• Ceiling joists incorporated

• All of these