The Rohn, FRM series model is a non-penetrating roof mount and also a ballast roof mount offering 30" to 60" mast in sizes ranging from 1-1/4" to 2-3/8" Outside Diameter (OD).
The base of the ballast roof mount is 34-3/4" square with trays to fit the concrete blocks, for ballast mount.
The FRM roof mount is hot dip galvanized for corrosion protection and assembles together quickly.
Features:
- No penetration of roof surface
- Galvanized for corrosion protection
- 1-1/4" diameter
- Designed for concrete block ballast mount
Dimensions:
- 36" x 36" square
- 60" in height
- 1-1/4" Diameter Pipe
FRM150: Mast is 1.50" OD and 30" tall. Designed for concrete block ballast 36" square.
This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer, and Bisphenol A, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to 
