The bottom mortar joint that is set on an arch form should be slightly angled inward because it must be cut out with a chisel to a depth of _____ after the arch form is removed and repointed.
A) 1"
B) ¾"
C) ½"
D) ¼"

Question

Quizplus · Accepted Answer

The bottom mortar joint on an arch form should be angled inward to allow for the removal of the form and to ensure a stable arch. After the form is removed and the mortar has set, the joint should be chiseled out to a depth of approximately 1/2 inch before repointing.

The Bottom Mortar Joint That Is Set on an Arch