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Fence Materials Compared: Vinyl, Aluminum, Steel and More

Woodgrain molded composite fence behind two lounge chairs in a landscaped garden

The common fence materials are vinyl, aluminum, ornamental steel, composite, wood and chain link. No single material wins every test. Vinyl and composite give you solid privacy with no painting. Aluminum and ornamental steel keep your view open. Aluminum does not rust, and steel lasts as long as its coating stays whole. Wood needs staining or sealing on a schedule, and chain link rusts where its zinc coating wears through.

Maintenance-Free Outdoor Solutions installs four of the six: vinyl, aluminum, ornamental steel and composite. Wood and chain link are the two we leave out, so this guide covers them only to help you compare. Vinyl and aluminum both come in spaced picket styles, which our picket fence installers build across St. Louis.

Fence Materials Side by Side

Each row shows how one material handles privacy, view, upkeep, rust and rot, and the maker’s warranty.

What matters most to you? Tap one or more, and the materials that fit light up.

Fence type Solid privacy Keeps your view No painting or staining Won’t rust or rot Maker’s lifetime warranty

MFOS installs it

Solid panels Picket and semi-privacy styles No painting or staining No metal, no wood Ask for your style’s document

MFOS installs it

Open pickets Open pickets Powder-coated finish Does not rust Elite: limited lifetime

MFOS installs it

Open style Open style Baked-on E-coat Rusts if the coating breaks Montage finish for homes: lifetime limited

MFOS installs it

Solid molded panels Solid panels Wash off graffiti Molded plastic Catalyst: limited lifetime, transferable

MFOS does not install it

Solid boards Picket styles Stain or seal on a schedule Rots where it stays wet Not ours

MFOS does not install it

Only with added slats Open mesh Galvanized wire Rusts where zinc wears Not ours
YesSome styles or conditionsNoNot applicable

Warranties have limits and can change, so ask for the current warranty sheet before you order. The steel warranty named here is for the Montage grade made for homes.

Compare Any Two Fence Materials

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Want the long version of a pairing? Read the full head-to-head:

What Each Fence Material Is Made Of

Four of these materials are the ones we install. Each one is built differently, so each one wears out in its own place.

Vinyl MFOS installs it

Made of
PVC (polyvinyl chloride), a plastic.
What MFOS installs
Solid privacy, semi-privacy, spaced picket and post-and-rail.
What fails first
A hard hit. A fallen limb or a mower can crack a panel.
Upkeep
A rinse with a hose.
Good to know
Rain, snow and rust do not touch it, because plastic holds no iron.
Warranty from the maker
Ask for the warranty document for your style.

Vinyl fence installers

Aluminum MFOS installs it

Made of
Aluminum with a powder-coated finish.
What MFOS installs
Picket styles that leave your view open, in home, business and heavy duty grades from Elite.
What fails first
The finish, if a scratch goes through it. A hard hit can also bend a picket.
Upkeep
Check the finish once a year and touch up chips.
Good to know
Rust is iron oxide, and aluminum is not iron, so it does not rust. Rackable panels pivot to follow a slope.
Warranty from the maker
Elite: limited lifetime warranty.

Aluminum fence page

Ornamental steel MFOS installs it

Made of
Galvanized steel with a baked-on E-coat finish.
What MFOS installs
Ameristar Montage, in residential, commercial and industrial grades.
What fails first
The coating, if a deep scratch exposes the steel. Exposed steel rusts.
Upkeep
Look it over once a year and repair any chip, because a small chip is where rust starts.
Good to know
Ameristar puts the E-coat on inside and out, so the inside of each tube is protected too.
Warranty from the maker
Residential Montage: finish covered for life, with limits.

Steel fence page

Composite MFOS installs it

Made of
Molded panels. Boulder is heavy polyethylene, a tough plastic, with a stone look. Breckenridge uses the same molded-panel technology with a woodgrain finish.
What MFOS installs
Catalyst Boulder and Breckenridge, in 4, 6 and 8-foot heights and 6 and 8-foot widths.
What fails first
Catalyst lists impact, graffiti and fade resistance, so read the warranty for limits.
Upkeep
Graffiti washes off with a high-powered pressure washer.
Good to know
Catalyst lists both styles as good at cutting noise, and says Breckenridge is engineered to better withstand high wind conditions.
Warranty from the maker
Catalyst: transferable limited lifetime warranty.

Composite fence page

Wood MFOS does not install it

Made of
Cedar or pressure-treated pine boards.
What fails first
Rot and warping where the wood stays wet.
Upkeep
Stain or seal on a schedule.

Chain link MFOS does not install it

Made of
Galvanized steel wire on steel posts.
What fails first
Rust where the zinc coating wears through.
Upkeep
Check for rust spots.

How St. Louis Weather Treats Each One

The National Weather Service St. Louis office reports these figures for the area.

Under 34 inNormal yearly precipitation
18+ inAverage snowfall each winter
35 to 40Days a year at 90 degrees or higher
40 to 50Thunderstorm days a year

A few thunderstorms each year are severe enough to bring large hail and damaging wind. Source: National Weather Service climate page for the St. Louis area.

WaterWith that much rain and snow, wood stays wet longer, and steel rusts wherever its coating is broken. Vinyl, composite and aluminum do not absorb water, and none of them rusts.
SunThose 35 to 40 hot days fade weak color. Catalyst names fade resistance as a feature of Breckenridge.
WindThe severe storms are why wind matters on long runs of solid panel. Catalyst says Breckenridge is engineered to better withstand high wind conditions. Open picket styles let wind pass between the pickets.

Real Yards, by Material

Each yard below is a finished job, and every one links to its full write-up.

Dark aluminum pool fence stepping down a graded slope behind a house in Barnhart, MOAluminum

Aluminum pool fence on a slope

Barnhart, May 2026

  • 171 linear feet
  • 54 inches tall
  • 3 gates
  • 2.5 days

The yard slopes, so rackable gates tilt with the ground.

Read the full Barnhart job

Black aluminum picket fence and gate in Brentwood, MO, with the yard and trees visible through the picketsAluminum

Aluminum fence that keeps the view

Brentwood, May 2026

  • 100 feet
  • 4.5 feet tall
  • 3 11/16 inch spacing
  • 1 day

The town required a hole inspection first, and the job passed. A Screw Boss post on the patio concrete gave the gate a solid post.

Read the full Brentwood job

Black aluminum picket fence and gate beside a white garage, with a lawn and tall trees, in Kirkwood, MOAluminum

Aluminum fence for two small dogs

Kirkwood, May 2026

  • 38 feet
  • 4 feet tall
  • 1 5/8 inch spacing
  • 1 day

The pickets close to 1 5/8 inches so the dogs cannot slip through. The ground was rocky, and the sidewalk gate got a Screw Boss post mounted to the concrete.

Read the full Kirkwood job

Black aluminum picket fence stepping down a grassy slope with trees behind it in Eureka, MOAluminum

Aluminum fence matched to a neighbor’s

Eureka, Aug 2026

  • 122 feet
  • 4 feet tall, Elite
  • 3 13/16 inch spacing
  • 2 days

A subdivision required a style that matched the neighbor’s aluminum. The standard spacing suits a mid-size dog.

Read the full Eureka job

White vinyl spaced picket fence along the back of a grassy yard in Imperial, MOVinyl

Vinyl picket matched to an old fence

Imperial, July 2026

  • 160 feet
  • 4 feet tall
  • 1 gate
  • 2 days

A neighbor’s fence, installed about 10 years earlier, was no longer made, so a similar white spaced picket went in.

Read the full Imperial job

White vinyl picket double gate beside a house in Fenton, MO, with the backyard and trees beyondVinyl

Vinyl picket with a double drive gate

Fenton, Aug 2026

  • 131 feet
  • 4 feet tall
  • 3 gates
  • 2 days

The Norwalk style has 3-inch pickets spaced 3 15/16 inches apart. The double drive gate sits on a slope with a 7-inch drop.

Read the full Fenton job

Which One Fits Your Yard

I have worked in fencing since 1979. Start with the job your fence has to do, then choose the material.

  • You want privacyChoose vinyl or composite, because both come in solid panels. See our privacy fence page.
  • You want to keep the view, or you have a pool or small dogsChoose aluminum. Picket spacing decides what it contains. Our pool fence guide and dog fence guide go further.
  • Your lot slopesAluminum panels rack to follow the grade, and ornamental steel panels rack too.
  • Your subdivision has rulesAsk your HOA first, then check the fence height rules.
  • You need security or a commercial fenceChoose ornamental steel. Ameristar Montage comes in home, business and heavy duty grades.
Who this is not for. Wood is the better fit if you plan to stain or repaint your fence yourself. It is not the right choice if you want a fence with no upkeep. Chain link is the usual answer if you need the lowest cost per foot across a large property. Neither is on our install list.

Price depends on length, height, style, slope and gates, and this guide cannot price your yard. For vinyl numbers, read our vinyl fence cost guide. To buy materials and install them yourself, visit our fence supply store.

Frequently Asked Questions

What is the most durable fence material?

The answer depends on what is attacking the fence. Aluminum and vinyl do not rot, and aluminum does not rust. Ornamental steel is the strongest, and its coating decides how long it lasts. Elite aluminum carries a limited lifetime warranty. Catalyst molded panels carry a limited lifetime warranty that can pass to a new owner. Ameristar’s Montage finish for homes carries a lifetime limited warranty. Ask for each warranty sheet before you buy.

What is the lowest-maintenance option?

Vinyl, aluminum and composite need no painting or staining. Vinyl needs a rinse with a hose. Aluminum and ornamental steel need a yearly look for chips in the finish. Wood needs staining or sealing on a schedule.

Which material gives the most privacy?

Solid vinyl and molded composite panels block the view. Aluminum and ornamental steel are open styles, so they mark your yard without hiding it.

Which material works for dogs?

Picket spacing matters more than the material. Two small dogs in Kirkwood got 1 5/8-inch spacing, and a mid-size dog in Eureka got 3 13/16-inch spacing. Both fences are aluminum.

Which material is cheapest?

Wood and chain link usually cost less per foot up front, and neither is on our install list. Among vinyl, aluminum, steel and composite, price depends on length, height, style, slope and gates. Call 636-464-1144 for a number on your yard.

What Happens When You Call

  1. Start with a call to 636-464-1144, or use the estimate request page.
  2. We visit, usually within a few days, and bring a sample of the fence style so you can see the color and the picket spacing.
  3. You choose the material, style, height and gates, and the contract records the location, height and layout.
  4. On day one, we lay out the line with you using a tape and paint marks.
  5. The six yards above took 1 to 2.5 days each to install.
  6. If your town requires an inspection, we book it. Brentwood required a hole inspection before the work could continue.

Our installation workmanship carries a one-year guarantee. We have installed fences in St. Louis since 1994, and we are a listed installer in the Catalyst installer directory.

You can read what homeowners say on our reviews page. Prefer to read first? Get our free guide to fencing options.

Tim Kelley - Maintenance-Free Outdoor Solutions

Tim Kelley

Tim Kelley is President of Maintenance-Free Outdoor Solutions, which has installed fences across the St. Louis metro since 1994. He writes here about what holds up in Missouri weather, using the company's own jobs.

» Read Full Bio