Author Question: An open valley is wider at the bottom than at the top _____. A) to provide a more visually ... (Read 14 times)

pane00 · **on:** Jul 24, 2018

An open valley is wider at the bottom than at the top _____.

A) to provide a more visually pleasing joint
B) for easier cleaning and maintenance
C) to accommodate the higher volume of water that will be present near the bottom
D) to allow for variations in the width of shingles

Question 2

For a long run gable roof, it is recommended that you start in the center rather than at one end or the other
because _____.

A) this provides a slight slope from the center to help drain excess water from the roof
B) there is less chance of misalignment in both directions
C) composition shingles must be overlapped from side to side, starting from a center shingle
D) you cannot accurately measure the space between courses on the ends of the roof