A movement joint shown at a long tile corridor is filled with hard grout. What is the concern?
Correct Answer
D) Joint restraint.
Where movement joints are required, rigid grout can restrain movement and contribute to cracking or tenting.
Why This Is the Correct Answer
Where movement joints are required, rigid grout can restrain movement and contribute to cracking or tenting.
Why the Other Options Are Wrong
Option A: Door undercut.
Door undercut. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for tile movement joints.
Option B: Handrail return.
Handrail return. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for tile movement joints.
Option C: Hardware function.
Hardware function. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for tile movement joints.
Memory Technique
Checking Corridor envelope: right person, right date, right contents.
Reference Hint
Study anchor (closed-book): memorize Tile movement joints from CSLB B General Building Study Guide; California Building Code, Title. / CSLB B General Building Study Guide tile movement joint concepts; know the rule or calculation trigger without relying on exam-room lookup.
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