Poly-Tex Poly-Vent - Manual (Page 7)

7
DISTANCE
"A"
NOMINAL
POLY-VENT
HEIGHT
19"
31"
43"
55" 2 FT
3 FT
4 FT
5 FT
"A"
CENTERLINE
OF
FASTENERS
"A"
CENTERLINE
OF
FASTENERS
"A"
TOP OF
MOUNTING
RAIL
"A"
TOP OF
MOUNTING
RAIL
13/16"
ROLL-FORMED RAIL
END VIEW
Poly-Vent is mounted to roll-formed rails. The spacing
is the same for either single or stacked applications.
See the chart above to determine the correct spacing
for your Poly-Vent system.
TOP OF MOUNTING
RAIL TO CENTERLINE
OF FASTENERS