Seabee BU A School Wall And Floor Tile, Trim, And PEB Practice Test

Which statement best describes the required spacing for movement joints in large spaces?

At Changes In Plane, Around Fixed Objects, And At Intervals In Large Spaces Only At Corners In The Center Of Large Spaces Never

Correct Answer:

In The Center Of Large Spaces

Explanation:

Movement joints are placed to give concrete and tile systems a controlled place to move due to temperature change, moisture, and shrinkage. In large spaces, locating a joint in the center of the area helps create roughly equal bays. This central joint distributes movement evenly, so any cracking tends to occur at the joints rather than across a wide, unbroken span. It’s about establishing a predictable, balanced pattern that limits stress in the interior of the room. In practice, you still account for changes in plane and around fixed objects, but the best way to describe spacing in large spaces is to place a joint through the center to divide the area into manageable sections.

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