Roof Top Blox – ROD-03 12 Threaded Extension Rods (Pair)

The Roof Top Blox ROD-03 are zinc-plated, ½″ threaded extension rods—sold as a pair—that elevate blox assemblies up to 14″ total height. The kit includes rods, nuts, and washers for secure top-side access and height adjustment without penetrating the roofing membrane.

Key Features:

• Two 12″ zinc-plated ½″ threaded rods
• Includes eight nuts and four washers for mounting
• Elevates blox assemblies safely up to 14″ overall
• Allows top-side assembly and tension control—no roof penetrations
• Compatible with XTB-02, STR-04, ROL-05, and ROL-06 modular system parts

• Model: ROD-03

• Type: Zinc-plated ½″ threaded extension rods (pair)

• Rod Length: 12″ each

• Hardware Included: 8 nuts and 4 washers

• Maximum Elevation: Up to 14″ total height for blox assemblies

• Compatibility: Works with XTB-02 height extender, STR-04 strut, ROL-05 & ROL-06 rollers

• Insert each ½″ threaded rod into the side-entry nut slots on the blox—minimum insertion 1″, maximum 3″.
• Thread a nut and washer onto each rod on the top side to secure.
• Adjust extensions to reach the desired overall height—keeping within the 14″ maximum.
• Install compatible accessories (e.g., XTB-02, STR-04, ROL-05/06) atop the rods.
• Torque the jamb nuts to a maximum of 15 ft-lb and apply Loctite for a secure fit.
• After setup, verify rod stability and proper load distribution before applying piping.

Q: What comes in the ROD-03 kit?
A: A pair of 12″ zinc-plated ½″ threaded rods, plus eight nuts and four washers.

Q: How tall can I elevate my blox assembly using ROD-03?
A: Up to 14″ total height from the roof membrane.

Q: How deep do I insert the rods into the blox?
A: Insert between 1″ and 3″ into the blox’s side-entry nut slot.

Q: What accessories are compatible with the ROD-03 rods?
A: It works with XTB-02 height extenders, STR-04 struts, and ROL-05 or ROL-06 rollers.

Q: How much torque should I use when securing with nuts?
A: Maximum 15 ft-lb torque—apply Loctite for added security.