Red Seal Lather (Interior Systems Mechanic) Practice Exam

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How should the edges of drywall be treated during finishing?

Left sharp for a rustic look
Rounded or tapered for a smooth transition
Completely flat for installation
Double cut for extra durability

The correct answer is: Rounded or tapered for a smooth transition

When finishing drywall, the edges should be rounded or tapered to create a smooth transition between sheets. This technique allows for better joint compound application and ensures a seamless finish. Tapered edges are specifically designed for this purpose, as they allow the drywall mud to feather out smoothly, reducing the visibility of seams once painted. Properly finishing the edges not only enhances the aesthetics of the wall but also contributes to overall durability by minimizing the risk of cracking or chipping along the seams. This practice is standard in professional installations, ensuring a high-quality final appearance.