Gronomics PB 18-48 Assembly Instruction Download Page 2

www.gronomics.com 

East Bethel, MN USA 

763-753-7374

6

Bottom Board and Fabric Installation

Place one 15” x 5-1/2” x corner notched bottom board (Item 8) on each 
end of the planter box.

Place six 15” x 5-1/2” bottom boards (Item 9) into the planter box. (Gap 
boards evenly to allow for water drainage).

Install fabric liner into the planter box.

Soil Capacity: 4.3 Cubic Feet

3

End Rail Assembly

Install the two 14-1/2” x 5-1/2” side rails (Item 7) into the slots and slide 
to the bottom of the slots.

4

Narrow Center Side Rail Assembly

Install the two 45” x 2-1/2” narrow center side rails (Item 5) into the slots 
and slide down.

Install the two 14-1/2” x 2-1/2” narrow center side rails (Item 6) into the 
slots and slide down.

5

Final Side Rail Assembly

Install the 45” x 5-1/2” side rail w/logo (Item 3) and 45” x 5-1/2” side rail  
(Item 4) and slide down.

Install the remaining 14-1/2” x 5-1/2” side rails (Item 7) into the slots and 
slide down.

7

7

6

5

6

7

7

3

Logo

4

8

9

7

Post Cap Assembly

Remove the rubber cap from the corner posts studs.

Align the hole of the 4” x 4” post cap (Item 10) with stud and tighten until 
the cap makes contact with the post.

NOTE: Do not overtighten.

Repeat procedure on all posts.

Rubber Cap

Stud

10

10

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