Method #1: Cut the panel
with a masonry saw, and nail it using recommended interlocking procedure
laid out in sets 4 through 7 above.
Method #2:
A. Interlock the last panel and nail it up, allowing the panel to
protrude past the corner.
B. Using a razor knife, cut the backing board flush with the second
wall.
C. Bend the panel back toward the second wall. The backerboard will
break along the cut. (Trim excess or uneven parts flush.)
Method #3:
A. Score the back of the panel with a razor knife at a point flush
with the second wall.
B. Using a claw hammer or similar tool, pry brick from the backerboard
along the cut.
C. Nail the panel completely to the wall, breaking the portion protruding
beyond the corner.