General Contractor Practice Exam

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All of the following can be used for open or skip sheathing except?

Wood boards
Plywood
Asphalt shingles
OSB

The correct answer is: Asphalt shingles

Open or skip sheathing refers to the method of attaching plywood, boards, or other materials to the framing of a roof or wall, allowing spaces between the materials. This allows for ventilation and helps manage moisture. Wood boards, plywood, and oriented strand board (OSB) are typically used in open or skip sheathing because they can be installed with gaps between them, providing the necessary airflow. These materials are structural and can support the roofing or siding materials above them, while also being durable and effective in different weather conditions. Asphalt shingles, on the other hand, are not a sheathing material. Instead, they are a type of roofing material that is laid over sheathing. Shingles require a solid, continuous surface to adhere properly and provide weather protection. Since asphalt shingles do not provide structural support or act as a sheathing material, they do not fit into the category of materials that can be used for open or skip sheathing.