Instructions / Assembly
13. 
14. 
15. 
If you choose to install on 
a sloped or uneven grade, 
1” Shims (G) (Fig. 29) or 3” 
Risers (H) (Fig. 30) can be 
used to elevate portions of 
your Patio Deck to help 
level the finished surface. 
Simply place a shim below 
the Pier (A), level and begin 
DO NOT place more than 
two 1” Shims (G) (Fig. 31) 
or two 3” Risers (H) below 
any Pier (A). (Fig. 32) 
1” Shims (G) and a 3” Riser 
(H) can be used in 
conjunction with each 
other. ALWAYS place the 
1” Shim or Shims (G) below 
the 3” Riser (H). NEVER 
use more than 2 Shims (G) 
with any Riser (H) (Fig. 33)   
(NOTE: All Risers (H), Shims (G) 
and Piers (A) need to be secured 
with 18” Spikes (J). (Fig 34) 
16. 
Terrain will vary per 
installation sight, so 
careful planning and 
proper leveling of the 
entire system is required 
by the installer. The Patio 
Deck surface may not 
exceed 12” off grade. 
(Fig. 35)   
Fig. 30 
Fig. 29 
Fig. 32 
Fig. 31 
Fig. 34 
Fig. 33 
Fig. 35 
Leveling & Elevating your Patio Deck 
9 
IMPORTANT: If you intend to purchase and install UDECX leveling components; 1” Shims (G) and/or 3” 
Risers (H), you will need to anchor the Pier (A) and all 1” Shims (G) or 3” Risers (H) with an 18” Spike (J). 
See Fig. 34 










