Coastal and Floodplain Construction Inspector's Practice Exam

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Each shingle tab on the starter strip and first course should have how many dabs of roofing cement?

  1. One 1" dab

  2. Two 1" dabs

  3. Three 1" dabs

  4. Four 1" dabs

The correct answer is: Three 1" dabs

The correct answer is that each shingle tab on the starter strip and first course should have three 1" dabs of roofing cement. This practice is vital as it helps to secure the shingles in place, ensuring they adhere properly and can withstand elements such as wind and rain. Using three dabs provides a robust application of adhesive across the tab area, enhancing the overall performance of the roofing system. The strategic placement of multiple dabs allows for better distribution of the adhesive, which helps prevent the edges of the shingles from lifting, thus reducing the risk of leaks and other damage. The recommendation of using three dabs reflects industry standards aimed at maximizing the effectiveness of the roofing assembly. It's important to note that while some might consider fewer dabs for simplicity or speed, this can compromise the integrity of the installation and lead to issues over time, especially in areas prone to inclement weather.