23
GROWSPAN
™
GOTHIC PREMIUM HIGH TUNNELS
Revision date: 01.08.21 108185_86_87_88_89H
Hint
: Create a vent hole template using a
12" x 24" piece of plywood. Cut 3" holes
into the template as shown above. Space
the three (3) holes 9" on-center.
9"
24"
12"
3"
VENT HOLE TEMPLATE
Center Line
Length
Cover
Cover
Width
3'-0"
Step #2
Step #1
9"
9"
3"
3'
Edge of Cove
r
Center Line
Cover
9"
9"
3"
Step #4
Step #3
ATTENTION:
Ridge vent kits are for the HF version (5.2 oz.
cover material) of the high tunnel only.
Do not cut holes in
the film cover of the HC building model.