Roof Structures Quiz

What is the minimum slope required for steep roof structures?

• 3in/12in

• 4in/12in

• 5in/12in

• 6in/12in

Why do steep roofs not require roof drains?

• They are too expensive to install

• They are not aesthetically pleasing

• They shed water easily

• They are prohibited by building codes

Which of the following is NOT a main framing structure of steep roofs?

• Beams

• Girders

• Trusses

• Joists

What is considered a secondary support structure for steep roofs?

• Beams

• Purlins

• Girders

• Roof decking

What is the purpose of the "Flashing" on a roof?

• To cover the outer edge of the roof

• To provide additional ventilation to the attic space

• To seal the roof at intersections and protrusions

• To support the roof structure

Where would you find the "Underlayment" in a roofing system?

• On top of the roof deck, beneath the shingles

• Along the edges of the roof to prevent water damage

• At the peak of the roof for added insulation

• Below the gutter system to protect the fascia

What is the function of a "Ridge Vent"?

• To allow heat and moisture to escape from the attic

• To direct water away from the roof

• To provide structural support to the roof

• To cover the top edge of the siding

What is used as a reinforcing base in bituminous roofing shingles?

• Mineral stabilizers

• Coal tar

• Organic felt or fiber glass mat

• Sealant

What is bitumen commonly made from for roofing products?

• Granules

• Asphalt or coal tar

• Fiberglass

• Sealant

Which of the following materials was used for metal roofing in the past?

• Aluminum

• Galvanized steel

• Lead

• Zinc