____ is used over joists to form a working platform.
A) Subflooring
B) A scratch coat
C) Grading
D) Cross-bridging

Question

Quizplus · Accepted Answer

Subflooring is a layer of material that is installed over the joists, which helps to provide a firm and stable working surface. This layer can then be covered with a finished flooring material such as hardwood or tile. Scratch coat is a type of layer used in masonry work, grading refers to the slope of a surface, and cross-bridging is a bracing system used to prevent distortion in the joists.

____ Is Used Over Joists to Form a Working Platform