M
M
N
Pre-dril the points on the WPC beam and do not
pre-drill the inner aluminum.
Fix the screws (L4) and measure again the distance as the Page 1 show.
STEP:2
STEP:3
Aluminium
The hole Φ5mm
WPC
Aluminium
WPC
L4
Fix the screws (L4) on the cross
beams (C).
14