Cantilever Pallet Rack for Lumber at a Junior High School

How a Weber County, Utah junior high got its lumber off the floor and onto a wall-line cantilever rack — and how to specify the same safe, organized storage for your school’s woodshop, scene shop or maintenance room.

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Single-sided cantilever rack with green columns and orange arms installed against a wall at a Utah junior high school

100%

Open-front access — no columns in front of the load

24″–48″

Arm lengths on this class of cantilever rack

1,800 lbs

Published capacity of a 24″ regular-duty arm

1½″–3″

Arm height adjustment increments

Lumber Storage That Belongs in a School

New cantilever rack bays installed along the wall of the school storage room before loading — The finished install at the school: single-sided cantilever bays along the storage-room wall

Junior high and high schools run on lumber: woodshop projects, theater sets, CTE construction classes, and a maintenance department that fixes everything from door frames to bleachers. What most schools do not have is anywhere to put it. Boards lean in corners, plywood slides behind doors, and the good hardwood warps at the bottom of a pile.

This page is about the fix: a single-sided cantilever pallet rack installed against the wall of a school storage room. The photographs are from a real Material Handling USA project at Roy Junior High School in Weber County, Utah — and the same design thinking applies to any school storage room, shop or district warehouse.

Cantilever rack is the professional standard for long, bulky material because there are no columns in front of the load. Every length of lumber sits on open arms, visible and accessible, on a structure that is anchored, braced and rated for the weight.

Planning storage for a school or district?

Tell us what you store and where it has to fit — we design, quote and install cantilever rack sized to school inventories and school budgets.

Request a Quote Open the Cantilever Rack Designer Call (800) 326-4403

The Challenge: Lumber Piles in a Building Full of Students

In most schools, lumber storage is improvised — a consequence of tight space and tighter budgets, not neglect. The results are predictable, and every one of them was present before this project:

Trip hazards. Boards stacked on the floor or leaned against walls create obstacles in exactly the rooms where students and staff move with tools and materials.
Damaged material. Wood stored in piles warps, cracks and picks up moisture — wasted budget every time the bottom of the stack gets culled.
Lost time. Teachers, students and maintenance staff dig through piles to find the right species, size and length.
Lost floor space. A floor stack consumes area that should hold workbenches, tools or equipment; a wall-line rack gives that footprint back.
Invisible inventory. When no one can see what the school owns, material gets re-purchased and offcuts never get used.

None of this is fixed by stacking more carefully. It is fixed by putting the material on a structure designed for it — which is exactly what a cantilever rack is.

What Is a Cantilever Rack — and Why Is It Ideal for Lumber?

Labeled diagram of a cantilever rack showing the arm, column, cross bracing, horizontal bracing and base — The five parts of every cantilever rack: arms, column, cross bracing, horizontal bracing and base

A cantilever rack stores material on horizontal arms that project from vertical steel columns. Standard pallet rack puts uprights at the front of every bay; cantilever rack has nothing in front of the load at all. A 16-foot board loads from the front in one motion, without threading it between posts or moving other material out of the way.

Arms bolt into the column face and reposition as inventory changes — every 3″ on the heavy-duty series and every 1½″ on medium duty — so the rack a school buys for this year’s program still fits next year’s. Inclined arm options tilt the load a few degrees back toward the column so round or loose stock cannot roll off.

The anatomy, part by part

Component	What it is	What it does
Base	Heavy steel base bolted to the column and anchored to the concrete floor	Resists the tipping force created by loaded arms; single-sided bases extend behind the wall side
Column	Vertical steel tower, 8′, 10′ or 12′ standard heights	Carries the arms; published column capacities up to 11,200 lbs single-sided and 22,400 lbs double-sided
Arms	Horizontal load arms, 24″, 36″ or 48″ long (12″–24″ on medium duty)	Hold the lumber; repositionable in 3″ increments (1½″ on medium duty) as inventory changes
Bracing	Diagonal and horizontal brace sets in 3′, 4′, 6′ and 8′ widths	Ties columns together into a rigid, stable row
End stops	Optional bolt-on stops for heavy-duty arms; welded stops on medium duty	Keep round or loose stock from sliding off the arm ends

Where the numbers come from

Every capacity on this page is from the manufacturer’s published cantilever rack tables (regular-duty, heavy-duty and medium-duty series, 14-gauge steel construction). Your system’s rated capacity depends on the exact arms, columns and spacing specified for your project — we confirm it on the quote and post it on the rack.

The Project: Roy Junior High School, Weber County, Utah

Cantilever rack column with orange storage arms and base anchored to the school storage room floor — Column, arms and anchored base of the new rack in the school storage room

Roy Junior High School (Weber School District) needed a better way to manage lumber for its programs. The previous method was the familiar one: a floor pile that was slow to dig through, hard on the material, and a genuine safety concern in a room used by both staff and students.

Material Handling USA designed and installed a medium-duty, single-sided cantilever rack along the wall of the school’s storage area. Arm lengths and capacities were specified against the school’s actual lumber list — not a catalog default — and the columns were braced together and anchored to the slab.

The photographs on this page show the finished installation: green columns, orange arms, bolted bracing, and a clean run of open storage levels along a wall that used to be a pile.

Project element	Detail
Location	Roy Junior High School — Roy, Utah (Weber School District, Weber County)
Problem	Lumber for school programs stored in floor piles: hard to access, wasting time, damaging boards, and a hazard in a space used by staff and students
System	Medium-duty, single-sided cantilever rack installed against the storage-room wall
Configuration	Arm lengths and capacities specified to the school’s typical lumber inventory, with bolted bracing and floor-anchored bases
Result	Lumber off the floor, sorted by size and fully accessible from the open front; the storage area went from a pile to a showroom-clean wall of organized stock

Close-up of adjustable orange cantilever arms bolted to green columns at the junior high school — Adjustable arms bolt to the column face and reposition as the lumber mix changes

Why single-sided, wall-line rack was the right call

Inside a school building, floor area is the scarcest resource. A single-sided rack stands flat against the wall, so the room keeps its working floor while the wall does the storing. The base extends toward the wall side, the columns anchor to the concrete, and the open face points at the room — full-length access without a single post in the way.

Because the arms adjust, the school can re-space levels whenever programs change: more sheet goods one semester, more dimensional lumber the next. That flexibility is what makes a rack a one-time purchase instead of a recurring problem.

Have a storage room like this one?

Send us a photo and the room dimensions. We will come back with a layout, a capacity plan and a quote your district office can act on.

Request a Quote Call (800) 326-4403

Safety First: What the Rack Changes in a School Environment

When students are present, safety is the specification. Here is what an engineered cantilever system changes compared with the pile it replaces:

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Trip Hazards Eliminated

The most immediate improvement: lumber leaves the floor entirely. Horizontal steel arms hold it at defined levels, and the walkway in front stays clear.

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Engineered Stability

A loaded cantilever rack is a braced, anchored structure with published capacities — not a stack relying on friction and luck. Tipping is designed out through the base, bracing and anchors.

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Clear Sightlines

Material sorted by type and length at eye level means an organized, supervisable room. Staff can see what students are reaching for and what needs restocking.

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Known Load Limits

Every arm and column carries a published rating. Capacities are posted with the system so no one has to guess what the rack can hold.

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Simple Loading Rules

Load the bottom arms first, unload from the top down, and spread weight across columns. Bottom-heavy is stable; top-heavy is not. We train staff on this at handover.

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A Cleaner, Safer Room

Getting the pile off the floor also clears egress paths and reduces the clutter that turns small shop incidents into bigger ones.

Good habits to pair with the rack

Post the capacity chart, keep heavier stock on the lower arms, and add rack inspection to the same routine as shop equipment checks. The structural rules in our pallet rack safety guidelines apply to cantilever systems too.

Where Schools Put Cantilever Rack to Work

The woodshop is the obvious home, but it is rarely the only department that benefits. These are the places we see school and district lumber actually live:

Dimensional lumber and trim boards sorted on a wall-mounted lumber storage rack in a school woodshop

Woodshop & Industrial ArtsThe classic application. Hardwoods, common pine, trim and sheet goods sorted by species and length, so class time is spent building instead of digging through a pile — and expensive boards stop getting damaged at the bottom of a stack.

Lumber and sheet goods organized on a single-sided cantilever rack in a school theater scene shop with a stage set under construction

Theater & StagecraftSet construction burns through 2×4s, 1× stock and plywood every production. A compact single-sided rack in the scene shop keeps flat-frame lumber organized between shows and off the shop floor where students work.

School facilities and maintenance shop with lumber, trim and pipe stored on a wall-line cantilever rack beside workbenches

Facilities & MaintenanceDistrict maintenance teams handle door frames, shelving, fencing and small renovations year-round. A dedicated rack keeps their lumber, trim and pipe stock visible, dry and ready instead of leaning in a corner.

Cantilever rack storing drywall, steel and long building materials under a canopy

CTE & Construction TradesCareer and technical education programs that frame sheds, walls and full projects need real material storage: full-length dimensional lumber, sheathing and drywall on arms rated for the load.

Forklift moving banded lumber stored on cantilever racking in a lumber warehouse

District WarehousesCentral district warehouses that stage materials for multiple campuses use longer runs of cantilever rack with forklift access — the same system, scaled up.

Cantilever racking holding bundles of conduit and pipe sorted by size

Pipe, Conduit & Irrigation StockThe open arms are just as good for grounds and plumbing inventory: sprinkler pipe, electrical conduit, fence posts and metal stock sorted by diameter and length.

Configurations, Duty Ratings and Published Capacities

Cantilever rack is specified along two axes: single- or double-sided, and duty rating. Schools usually land on single-sided medium duty indoors and heavier rack in district warehouses — but the inventory list, not the building type, makes the call.

Single-sided cantilever rack with lumber stored against a warehouse wall

Single-SidedArms on one face; sits against a wall or building perimeter. Keeps the room’s floor open — the configuration used at Roy Junior High. Published column capacities up to 11,200 lbs.

Double-sided freestanding cantilever rack loaded with long materials, accessible from two aisles

Double-SidedArms on both faces of a shared column; freestanding in open floor with access from two aisles. Twice the storage per column — up to 22,400 lbs published capacity — for district warehouses.

Cantilever pallet rack loaded with banded bundles of dimensional lumber — Heavy-duty cantilever arms carrying banded lumber bundles

Heavy-duty and regular-duty series

The bolted heavy-duty series uses 8′, 10′ and 12′ columns with 24″, 36″ and 48″ arms in 4° and 20° inclines. Arms reposition in 3″ increments, brace sets come in 3′ to 8′ spans, and damaged components replace individually — no welding, no scrapping the row.

Series / component	Sizes	Published capacity
Regular-duty arm, 4° incline	24″ / 36″ / 48″	1,800 / 1,200 / 900 lbs per arm
Heavy-duty arm, 4° incline	36″ / 48″	2,050 / 1,600 lbs per arm
Heavy-duty arm, 20° incline	24″ / 36″ / 48″	2,200 / 2,050 / 1,600 lbs per arm
Single-sided column (8′, 10′ or 12′)	with 24″ / 36″ / 48″ arms	11,200 / 8,400 / 6,700 lbs per column
Double-sided column (8′, 10′ or 12′)	with 24″ / 36″ / 48″ arms	22,400 / 16,800 / 13,400 lbs per column
Brace sets	3′, 4′, 6′ or 8′ spans	Sized to column height (8′/10′ vs 12′)

Medium-duty single-sided cantilever rack unit with adjustable arms holding bar stock — Medium-duty single-sided unit — the class of rack specified for the school project

Medium-duty: the usual school specification

The medium-duty series is what most school shops actually need: 79″ tall, arms in 12″, 18″ and 24″ lengths with welded end stops, adjustable in 1½″ increments, in single- and double-sided versions. Sections bolt together in under 10 minutes, which also makes them practical to relocate when a program moves rooms.

Medium-duty spec	Published detail
Height	79″ overall, single- or double-sided
Arms	12″, 18″ or 24″, with welded end stops
Adjustment	Every 1½″ on the column face
Assembly	Bolt-together; a section assembles in under 10 minutes
Best for	School shops, maintenance rooms and lighter lumber, bar, pipe and trim stock

Not sure which duty rating fits your inventory?

Lay the system out yourself in the free online designer, or call and read us your lumber list — we will size the arms and columns to it.

Open the Cantilever Rack Designer See All Cantilever Systems Call (800) 326-4403

Planning and Installing a School Cantilever System

Measure the space

Wall length, ceiling height, door and aisle clearances, and where carts or forklifts need to move.

List what you store

Types, lengths and rough weights of lumber and sheet goods. This sets arm length, spacing and duty rating.

Get a layout and quote

We design the rack to the space and the inventory, and provide the documentation school purchasing needs.

Install and train

Anchored, braced installation plus simple loading rules the shop teacher and maintenance staff can enforce.

Close-up of the bolted diagonal and horizontal bracing connecting cantilever rack columns — Bolted diagonal and horizontal bracing ties the columns into a single rigid structure

The structural details that matter

A cantilever rack carries its load away from the column, so the engineering problem is overturning, not just crushing. That is handled in the base and the anchors: bolts that resist uplift, bases sized to the arm loads, and bracing that ties the columns into one rigid row. Slab thickness and condition are checked before anchoring — and along Utah’s Wasatch Front, seismic behavior is part of the design review, because a tall narrow structure with cantilevered loads responds strongly to ground motion.

We also plan around the school calendar. Installation is scheduled for breaks or after-hours so anchoring, bracing and loading happen without students in the building, and the handover includes the posted capacities and loading walk-through.

What to have ready for a quote

Room or wall dimensions, ceiling height and door clearances
The lumber list: types, lengths and rough quantities (photos of the current pile help)
Who loads it — by hand, cart or forklift — and how often
Floor construction if known (slab thickness matters for anchoring)
Any purchasing requirements from the district office

Cantilever Rack for Schools: FAQs

What is a cantilever pallet rack?

A cantilever rack is an open-front storage system: horizontal arms project from a single row of steel columns, with no posts in front of the load. That makes it the standard way to store long, bulky material — lumber, plywood, pipe, conduit and trim — because full lengths slide on and off the arms without threading around uprights. See our cantilever rack systems page for the complete product line.

Why should a school use cantilever rack instead of stacking lumber on the floor?

Floor piles are the problem the rack exists to solve: they create trip hazards in rooms where students work, they warp and damage the boards at the bottom, they hide what you own so material gets re-bought, and they eat floor space. A wall-line cantilever rack puts every length on its own arm level, visible and reachable, on an engineered structure instead of a leaning stack.

What duty rating does a school shop actually need?

Most school woodshops, scene shops and maintenance rooms are well served by medium-duty rack — 79″ tall units with 12″–24″ arms that adjust in 1½″ increments. If the school stores full lifts of lumber, sheet goods in volume, or steel, regular- and heavy-duty arms run from 900 to 2,200 lbs of published capacity each. We size the system to your inventory list rather than selling the biggest rack.

Single-sided or double-sided — which fits a school?

Single-sided rack sits flat against a wall and is the usual answer inside a school building, because it consumes almost no floor depth. Double-sided rack stands free in the middle of a room with arms on both faces — the right choice in district warehouses with aisle access on both sides, and it stores twice the material per column.

Is cantilever rack safe around students?

A properly specified rack improves safety over any floor pile: it is anchored to the concrete, braced column-to-column, and each arm carries a published capacity. The rules that keep it that way are simple — load the bottom arms first and unload from the top down, keep weight distributed across columns, and never overload an arm. We post capacities with the system and walk staff through loading practice at installation.

Does Utah’s earthquake risk change the design?

It matters, and it is engineered rather than guessed. A cantilever rack is a tall, narrow structure carrying loads away from its base, so anchoring and bracing are designed for the site — including seismic considerations along the Wasatch Front. Anchor bolts, base sizing and concrete condition are all part of the design review, not an afterthought.

How does purchasing work for a school district?

We work with school and district procurement regularly: written quotes with line-item specifications, drawings for approval, and scheduling around the school calendar so installation happens when students are out of the building. Start with a free consultation at (800) 326-4403 or send us your storage list.

Can we lay the system out ourselves first?

Yes — the free online Cantilever Rack Designer lets you set lengths, levels and configuration and send the layout straight to our team for a quote. It is the fastest way to turn “roughly this much lumber” into a real design.

Get Your School’s Lumber Off the Floor

Free design consultation for schools and districts: send us your room dimensions and lumber list, or call (800) 326-4403. We design, quote and install cantilever rack sized to your inventory, your space and your purchasing process.