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Figure 2a
4. Hold the template and then pass the marker through the holes in the block and mark the hole
drilling points on the fixed (primary) ceiling (Figure 3).
Figure 3
5. Using a ø10 drilling bit, drill rawlplug holes in the marked points. Holes shall be drilled in specific
sequence, starting from number 1 (as marked on the template block) (Figure 4). After drilling
whole number 1 move to drilling holes 2 and 3. Then drill holes number 4 and 5. Repeat the
sequence on the other side of the slot.
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w
w .
k
a
u
b
e
r .
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