A tile installer grouts a change of plane between wall and floor with rigid grout where movement is expected. What is the better finish detail?
Correct Answer
B) Use a suitable movement joint.
Changes of plane often need movement accommodation rather than rigid grout only.
Why This Is the Correct Answer
Changes of plane often need movement accommodation rather than rigid grout only.
Why the Other Options Are Wrong
Option A: Use no joint material at all.
Use no joint material at all. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for tile movement joints.
Option C: Add more water to the grout.
Add more water to the grout. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for tile movement joints.
Option D: Proceed with the finish work where a tile installer grouts a change of plane between wall and floor with rigid grout, and treat the defect as appearance-only.
Proceed with the finish work where a tile installer grouts a change of plane between wall and floor with rigid grout, and treat the defect as appearance-only. does not satisfy the required party, deadline, proof, license, bond, insurance, or agency trigger for tile movement joints.
Memory Technique
Good work cannot rewind a missed changes trigger in Checking Shower.
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 and joint concepts; know the rule or calculation trigger without relying on exam-room lookup.
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