Grain Systems Tanks PNEG-1092 - Manual (Page 20)

4. Instructions
20 PNEG-1092 30° Bin Roof Construction
Installation
8. If the roof sheet does not have a pre-punched hole for the roof vent, a hole must be cut. The cut hole
should match the roof vent. The hole’s inside edge should be approximately 15" from the eave.
(See Figure 4E.)
9. Place the three (3) foam strips on roof sheet, as shown in Figure 4D . Position roof vent over foam
strips and bolt down using 5/16" x 3/4" bin bolts and nuts. NOTE: See Figure 4E below for lower
two (2) bolts of vent.
Figure 4C Figure 4D
Figure 4E