Glass vs wrought iron pool fence.

Cost (installed, Arizona)

• Wrought iron pool fence: from ~$140 per linear foot
• Tubular aluminum (looks like iron, different corrosion profile than steel — performance depends on the product, coating and exposure documented by the manufacturer): ~$65–$110 per linear foot
• Installed glass fencing: generally $225–$325 per linear foot
• Specialty glass systems, gates, upgraded glass and custom hardware are quoted separately after the layout and specifications are confirmed.

How each holds up in the desert

• Wrought iron: corrosion shows first at welds, post bases and fasteners. Timing depends on the finish system (bare, powder-coated, galvanized-then-coated), irrigation and pool exposure, and how consistently touch-ups are done.
• Powder-coated aluminum: aluminum does not rust the way iron does, though corrosion behavior still depends on the alloy, the coating, the fasteners and the exposure; color hold in direct south and west sun depends on the coating and the manufacturer's finish warranty.
• Glass: panels are not a ferrous or painted product, so they weather differently than a metal finish; performance comes from the product documentation, exposure, installation and care. Spigots, gaskets and gate hardware are the serviceable parts, and any optional coating is renewed on the coating manufacturer's guidance.
• For any of the three, expected life and coverage come from the manufacturer documentation and the warranty terms in your signed scope.

View

This is the actual decision. Glass keeps the sightline open — you see the pool, the yard, the view, and the sky. Iron puts a repeating vertical line across every sightline, and most people notice how much that reads once they sit in a room facing it. From outside, glass reads as a finished outdoor room; iron reads as an enclosure. Which one fits depends on what the fence line faces and how the space is used.

Safety and barrier requirements (what each system has to be planned around)

Arizona's pool-barrier statute is A.R.S. §36-1681 (azleg.gov/ars/36/01681.htm). It has its own scope and exceptions, and your city or county — plus your HOA and insurer — may apply stricter or different requirements. The governing set for your address is confirmed with the authority having jurisdiction before design.

• Both glass and iron can be planned around the barrier requirements confirmed for your property — overall height, self-closing and self-latching gate, latch release height, and the gap under the barrier
• Iron picket spacing: pickets are spaced so a 4" sphere will not pass, commonly detailed at about 3⅞" clear. The figure that applies is the one in the adopted code for your address.
• Iron climbability: horizontal cross-rails on the outside face are a common issue on older 'two-rail' iron during remodels. Whether a given assembly is acceptable is an AHJ determination.
• Iron under-gap: the maximum gap under the barrier is smaller over turf, decomposed granite, or pavers without a continuous hard edge than over concrete or a hard mow strip. Skipping the mow strip on turf is a condition we are often called to correct.
• Glass has fewer variables to detail: no picket spacing and no climbable horizontals — height, gate hardware, anchorage and the gap under the panel
• AE uses 1/2-inch tempered safety glass on every Sonoran Glass fence, with Duplex 2205 stainless-steel core-mount spigots as the standard mounting method and bolt-down used only where project conditions or the approved installation detail require it. Every panel carries a permanent tempered-glass identification mark applied during fabrication; confirm thickness, the safety-glazing designation and the hardware in the written scope before fabrication
• AE's planning baseline and recommendation for a pool barrier is a five-foot barrier system. Confirming the governing requirements with your municipality or AHJ, and with your HOA and insurer where relevant, is the customer's responsibility; AE installs to the approved written scope and does not guarantee municipal, HOA, insurer or inspection acceptance
• Tempered glass is safety glass; it can still break — if a panel breaks the pieces can still be sharp and cause injury, so damaged glass should be isolated and replaced
• How either material performs with a specific dog depends on the animal, the layout, the installation and the maintenance — neither is sold as a pet-containment guarantee. No barrier of any type replaces layers of protection — a working self-closing, self-latching gate, alarms and covers where appropriate, and an undistracted adult Water Watcher whenever children are in or near water (see U.S. CPSC Pool Safely guidance).

Maintenance reality

• Iron: touch up corrosion as it appears and refinish sections on the coating manufacturer's guidance and the measured condition of the finish
• Glass: where the care instructions for your glass and any coating allow it, rinse and dry the panel before hard-water spotting sets in; renew any optional coating on the coating manufacturer's guidance, service hardware on the hardware instructions and inspection findings
• Aluminum: generally the lighter-maintenance metal option — it does not rust the way iron does, and finish care follows the coating manufacturer's guidance

When iron (or aluminum) is the right call

• Pool faces a back fence or neighbor's wall you don't care about seeing through
• Tight budget, glass simply isn't realistic
• Rental, short-term hold, or property you're flipping fast
• HOA requires a metal fence with no glass option

When glass is the right call

• Mountain, golf course, city lights, or designed-landscape view across the pool
• Long-term hold, want it done once
• Investing in the rest of the yard — pavers, lighting, kitchen, landscape
• You want the yard to read as a finished, designed outdoor space — resale, listing and appraisal effects are not something AE can quantify for your property