Roof Sailing Roof Sailing MCQ 5

Question 1

What is 'step flashing,' and where is it primarily used?

Accepted Answer

L-shaped metal pieces installed in courses where a vertical wall meets a sloped roof

Answer

Step flashing consists of individual L-shaped metal pieces interwoven with shingle courses to waterproof the joint where a sloped roof meets a vertical wall.

Question 2

Which condition most commonly causes a roof to fail its inspection after a roof sailing project?

Accepted Answer

Improper nail placement outside the manufacturer's nail zone

Answer

Nails placed outside the designated nail zone — too high or too low — can cause shingle blow-off and void manufacturer warranties, leading to inspection failure.

Question 3

What does the term 'starter strip' refer to in roofing?

Accepted Answer

A specially cut or pre-manufactured shingle installed at the eave and rake before the first full shingle course

Answer

A starter strip is installed at the eave and rake edges to seal the first course of shingles and prevent wind uplift at the most vulnerable roof edge.

Question 4

A roof sailor is working near a skylight curb. What is the correct way to flash around a raised skylight curb?

Accepted Answer

Install head, side, and sill flashing with counter-flashing over the curb cap

Answer

Proper skylight curb flashing requires base flashing (head, sides, sill) integrated with shingles and counter-flashing over the curb cap to create a fully weathertight system.

Question 5

What is the purpose of a drip edge on a roof?

Accepted Answer

To direct water away from the fascia and into the gutter

Answer

Drip edge is a metal flashing installed at the eave and rake that directs water away from the fascia board and into the gutter, preventing wood rot.

Roof Sailing Practice Test

Roof Sailing Practice Test

Roof Sailing Roof Sailing MCQ 5