Installation Guide
ODFSPH10_2018
4
Installaon Instrucons
Free-Standing Harmony Pergola
English
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Step 2.A. - Foundaon for 4 x 4 Wood Support (Concrete Pier)
1. Using a post hole digging tool, dig a hole 12" in diameter
approximately 24"- 36" deep. Place a 12" sonatube into the hole
for the concrete pier.
2. For a nished look, build a frame around the top of the hole 12” -
19”+ wide creang a pad to set the Column (I) and Base Cap (L) on.
12”
24” - 36”
4”
12”- 19”+
12”- 19”+
3. Level the pier plaorms using string line, wood pegs and a string
level.
4. Mix the ready - mix concrete per manufacture instrucons. You will
need approximately 2 qty. 80 lb. bags for each pier. Fill in pier and
pad. Smooth the surface with trowel / oat.
5. Once the concrete cures, place each 4" x 4" galvanized metal
support post fastener (not supplied) at the center of each pier.
Double check column center points with the other piers, then mark
the base holes, drill with a masonry drill bit to the appropriate
depth, clean each hole free of debris, insert wedge anchors (not
supplied) into each hole and tap ght with a hammer. Using a
wrench, ghten the bolts to secure the metal fastener to the pier.
6. Set the 4" x 4" wood support post into the metal support
post fastening bracket. Level the post on two sides. Mark the
bracket side hole posions and then drill pilot holes. Secure
the post by screwing wood screws (not supplied) into the
pilot holes through the fastening bracket and into the wood
support post.
Item 1
Item 2
Item 5
Item 6
Example of Metal 4 x 4 Support
Example of Metal 4 x 4 Support