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How To Install a Flagpole

1. Foundation

Ground Set Flagpole Foundation Illustration

First choose a location for the flapgole and dig a hole. The size of the hole is based on the flagpole height. See our flagpole foundation dimensions for information about the size and depth of the hole.

After the hole is dug, place ground sleeve in center of hole, pushing corrugated sleeve rod into the ground until ground sleeve steel support plate is resting on the bottom of the hole. The top of the sleeve should be 2" above grade. When concrete is poured, it will fill in the area between the setting plate and the base plate. Carefully plumb the ground sleeve tube vertically and brace it so that it cannot move while concrete is being poured. Use a level inserted into the sleeve to ensure it is vertical.

Slowly pour concrete, continuing to verify vertical plumb. Care should be taken that the pouring of the concrete is not at a rate that might cause the ground sleeve to "float up" as the concrete goes under the base plate (refer to drawing). Trowel to desired finish. Keep the inside of the sleeve dry and free of debris by covering the opening. Allow concrete to cure for a minimum of 24 hours.

2. Shaft Preparation

Flagpole Joints Matching Numbers

Flagpole should be assembled with base as close as possible to the foundation.

If you have a single piece flagpole, you can move onto the next step (Hardware Assembly)

If you have a multi-section flagpole, the flagpole joints are designed and fabricated with self-aligning jam sleeve. Joints incorporate tight tolerances for a strong and permanent field assembly. Inspect shaft sections for damage

Keep finished surfaces of shaft free from hand prints and excess lubricants. Gently slide sections of flagpole, with match marks in line with lower section, onto jam sleeve as far as possible without forcing the two pieces together. Rolling flagpole 180° with every 2" to 3" may facilitate easier fit. If extreme difficulty is experienced while fitting the first 6 inches together, pull apart and cool the male section with ice for several minutes. With pieces in line, place a 4 x 4 block of wood against top of flagpole, to absorb direct shock, and firmly strike wood to drive the sections together. Excessive force is not necessary. If flagpole is a 3-piece unit, clean, lubricate and install the next section in same manner as above.

3. Hardware Assembly

Flagpole Hardware Assembly Diagram

When working with threaded aluminum components, a light coat of an anti-seize compound (available at most hardware stores) is recommended.


If the truck is stationary (i.e. does not rotate) - Slide truck over the top of the flagpole, rotating the truck to align pulley in desired direction. The most common direction is directly over the cleat, but locations allowing for installations aligning truck direction with the prevailing wind may also be desired. After determining the direction of the truck, secure it to the top of the flagpole by tightening the set screws with an Allen head wrench.

If your truck is revolving - Carefully check Rotating Truck Assembly and Flagpole Top Insert threads for burrs or irregularities. Thread Rotating Truck Assembly Spindle into top of flagpole. Do not use epoxy on the spindle of the truck. These threads are 1 ¼" NPT (National Pipe Thread). Extreme care should be taken to avoid cross threading the components, as Aluminum threads can be easily damaged. Snug spindle using appropriately sized wrench. Threads are tapered and manufactured in such a manner that over half of spindle threads should go into shaft before it is fully seated.


Unpack flagpole ball and thread jam nut up threads. Epoxy (Loc-Tite type product) is recommended. After applying small amount of epoxy, carefully thread ball into top of truck. Grip spindle/rod with vise grips and tighten. Do not grip ball to tighten. Ornament shaft should protrude approximately 1/4" inside truck cover. After ball is in place, use properly sized wrench to jam nut against top of truck assembly. If your truck incorporates a set screw, use an Allen wrench to tighten screw into Ball Stem.


Install the cleat(s) to 1/4"-20NC tapped holes in flagpole. Bolt holes are located approximately 4'-1/2" above ground level. Slide provided stainless steel screws through the cleat and start them into the pre-drilled holes and snug with hex wrench. Be careful not to cross thread any threaded component or over tighten


Feed rope halyard, around truck pulley and down toward the bottom of the flagpole as far as they will reach. Size the halyard below the cleat based on the amount of halyard desired to wrap around the cleat. Cut off extra length and very carefully fuse the end of the halyard with a hot blade or flame. Tie ends of halyard together with square knot to form complete loop. Install flagsnaps and neoprene covers at equal distance on either side of knot to accommodate flag size (see Snap Hook Attachment Diagram).


Before standing flagpole, gently slide flash collar up from bottom and tape it out of the way near cleat. Use of protective wrapping around shaft at this location will provide protection to the finish during installation process.

4. Standing The Flagpole

When placing flagpole in setting tube, consideration should be given to turning of shaft so that stationary, non-revolving truck assemblies face direction which is opposite from direction of project location's prevailing wind. This will increase the chances of the wind and flag flowing in the same direction. If a revolving truck assembly is used, shaft direction is not important.

The flagpole should be positioned near foundation. Stand flagpole into previously installed ground sleeve. This may require use of a crane or backhoe for larger flagpoles. Professionals experienced in such installations should perform rigging and lifting. During lift, keep clear of area and reach of flagpole path. Do not pass flagpole overhead.

If you have a multi-section flagpole, extra care must be used when setting it into sleeve. Before standing flagpole, make certain that the joints are fully seated and that shaft is straight.

Arrange lift rigging in such a way that flagpole sections are supported from bottom of flagpoles so that flagpole joints are pushed together, not pulled apart, during lift.

Flagpoles with spacing between shaft and inside of setting tube, insert flagpole into ground sleeve (galvanized corrugated 16-gauge steel or PVC tube) and plumb flagpole with wooden wedges.

Slowly fill void between flagpole and ground sleeve with washed and screened, dry tamped sand. Do not use silica sand. Fill ground sleeve 6" to 8" at a time and tamp as you fill. Fill ground sleeve with sand to about 2" from top, then cap with waterproof compound.

After waterproof compound has dried, slide flash collar down into position and caulk joint with matching color silicone to seal space between flagpole and flash collar.