Other Skilled Trades Roofing 2

Question 1

Which roofing material is most appropriate for a flat or very low-slope roof?

Accepted Answer

Built-up roofing (BUR) or modified bitumen

Answer

3-tab asphalt shingles

Answer

Cedar shakes

Answer

Clay tile

Question 2

What does the term 'headlap' refer to in shingle installation?

Accepted Answer

The amount one course of shingles overlaps two courses below it

Answer

The overlap of shingles along the ridge

Answer

The distance between the drip edge and first shingle course

Answer

The overhang of shingles beyond the fascia

Question 3

When installing step flashing along a vertical sidewall, each piece of step flashing should be at minimum how wide (on the wall)?

Accepted Answer

4 inches

Answer

2 inches

Answer

6 inches

Answer

8 inches

Question 4

What is the correct nailing pattern for standard 3-tab asphalt shingles?

Accepted Answer

4 nails per shingle in the nail strip zone

Answer

2 nails per shingle, one at each end

Answer

6 nails per shingle staggered across the full width

Answer

3 nails per shingle at 12-inch intervals

Question 5

A roof ventilation system requires balanced intake and exhaust. Where is intake ventilation typically located?

Accepted Answer

Soffit vents

Answer

Ridge vents

Answer

Gable-end vents

Answer

Power attic fans

Question 6

What type of roofing nail should be used for most asphalt shingle applications?

Accepted Answer

Ring-shank or screw-shank galvanized steel nails

Answer

Smooth shank aluminum nails

Answer

Stainless steel brad nails

Answer

Copper clout nails

Question 7

How should ice and water shield (self-adhering membrane) be installed on a roof in a cold climate?

Accepted Answer

Along the eaves and in valleys before underlayment is applied

Answer

Only at the ridge to prevent ice dams

Answer

Over the top of all shingles as a final waterproofing layer

Answer

Beneath the roof deck between rafters