Grain Systems Tanks PNEG-2135 - Manual (Page 69)

10. 2.66" Commercial Tank Accessories Installation
PNEG-2135 Construction Manual for 2.66" Corrugation 135' Diameter Tank 69
Installation
7. If the roof sheet does not have a pre-punched hole for the roof vent, a hole must be cut. Cut the hole
to match the roof vent. The inside edge of the hole should be approximately 15" from the eave.
(See Figure 10G.)
8. Place the three (3) foam strips on roof sheet, as shown in Figure 10F . Position roof vent over foam
strips and bolt down using 5/16" x 3/4" bin bolts and nuts. NOTE: See Figure 10G for lower two (2)
bolts of vent.
Figure 10E Figure 10F
Figure 10G