header beam
PVC 4x4 post
clamp
header beam
LEVEL LINE
-
top of header beam must be flush with vinyl 4x4 post cap.
4x4 wood post
PVC 4x4 post sleeve
vinyl 4x4 post cap
Step 9 - Seal posts
A
After vinyl post assemblies are complete, put a bead of
silicone sealant (not supplied) around the joint
between the vinyl 4x4 post cap and vinyl post sleeve.
Step 10 - Position first header beam
A
Place first pre-cut header beam into position according
to the figure below.
B
Once the header is positioned clamp into place as
shown below.
NOTE:
If using a metal C clamp, make sure you use a
wood block as a shim between the clamp and header
beam to prevent damage.
NOTE:
Horizontal (left / right) position of the header
depends on the system and must be determined on site.
TYPICAL SECTION VIEW
Step 11 - Pre-drill header
A
Once clamped into place, use the figures below to
mark hole locations. Center post templates may not
apply if your system only calls for 4 corner posts.
2 1/2"
4"
1"
1 1/8"
2"
SPLITS HERE
2
1/2
"
2"
4"
1 1/8"
2 1/2
"
2"
4"
1"
1 1/8
"
Corner post
- header only continues in one direction.
Center Post
- header continues in both directions and is
not split at the center post.
Center Post (split)
- header continues in both directions
and is split at the center post.
ShadeTree Cool Living, LLC
-
for questions or assistance, call
800-894-3801
6
ShadeTree Canopy Systems
Assembly Instructions
Basic Pergola - Freestanding
B
After holes are marked, use a 1/4” drill bit to start a pilot
hole. This hole must go through both sides of the
header and through the 4x4 post.
C
Use a 3/4” bit to drill to pre-drill for lag bolts.
Do not
drill all the way through the header - only drill the
outer layer of vinyl and aluminum.
