40 Yard Dumpster Rental in Wentzville, MO

A 40 yard roll-off is 22 feet long, 8 feet wide and about eight feet tall, rated for roughly five to six tons — fourteen to sixteen pickup loads. It is maximum volume for material that takes up room without weighing much. Used correctly it saves a job several hauls. Used incorrectly it becomes an expensive container that a driver cannot legally lift, which is why we ask more questions before sending a 40 than before sending anything else.

• Capacity40 cubic yards
• Footprint22 ft x 8 ft x 8 ft
• Weight allowance5 – 6 tons
• Holds about~14 – 16 pickup truck loads

Why people choose the 40 yard

Think of it as a volume tool with a hard weight ceiling. The right material is bulky and light: deck framing and decking off the first-refresh houses, vinyl siding, soffit and fascia, cabinetry and millwork, fencing, ceiling grid, shelving, carpet tile and the general contents of a commercial or retail strip-out. Wentzville has a lot of deck work right now for a straightforward reason — the 1990s and early-2000s subdivisions all went in within a few years of each other, and their decks are all reaching end of life at the same time. A deck tear-off is the textbook 40 yard job: joists, beams, posts, railing and decking are enormously bulky and comparatively light, and cutting them into a smaller box wastes a day. Our notes on deck removal and first-refresh remodels cover how those jobs sequence, and roll-off dumpster rental explains how we stage a big box on a working site. On the commercial side, a fit-out or tenant strip-out along the I-70 corridor or through O'Fallon and St. Peters produces exactly the kind of airy volume this container was built for — see commercial dumpster rental for how we schedule swaps around trade sequencing.

Now the list of things that never go in it, because this is where the money gets lost. No concrete, block, brick or masonry. No excavated clay or spoil from an egress window cut-in or a footing dig. No soaked carpet, pad or drywall out of a flooded basement. Dense material reaches a legal payload at a fraction of this container's volume, so a 40 with concrete in the bottom foot is already overweight and eight-sevenths empty — and it will not be lifted. Heavy material belongs in a 10 yard, hauled as many times as the job needs, under concrete and heavy debris hauling. The same goes for anything saturated: wet basement material is far heavier than it looks and belongs in a small box loaded low. And whatever the job, brush and limbs ride separately, because Missouri bans yard waste from sanitary landfills — that is a clean load to a composting facility under yard waste removal, and local oak, hickory and maple limb wood is heavier than anyone expects. Confirm current disposal rules with the Missouri Department of Natural Resources, as they do change.

Placement is the last filter, and it eliminates more 40 yard orders than weight does. The box is 22 feet long like the 20 and the 30, but at roughly eight feet tall it is a much bigger object to stand up, and the truck needs genuine room to work — about 60 feet of straight approach, 10 and a half feet of width and 20 feet or more of overhead clearance for the hoist arm. On a lot of tighter subdivision driveways around Wentzville, Lake Saint Louis and St. Peters that simply is not there, and the honest answer is two hauls of a 30 yard. Where a 40 does work is an open site: new construction west and south of town, a commercial lot, acreage out toward Foristell, Wright City, Troy, New Melle or Defiance with room to set and turn. On acreage, flag the septic tank, lateral field and well head first, and know that a long gravel drive ruts under this much steel when it is wet. The eight-foot side also means realistic loading — a walk board, a skid steer or a crew, not one person pitching over the rail. If you are not sure the site takes it, send photos through our contact page or check where we run on our service areas page and we will tell you before the truck rolls.

Good fit for

• Deck framing, decking, railing and post removal
• Vinyl siding, soffit and fascia off a whole house
• Cabinetry, millwork and shelving from a full strip-out
• Fencing removal across a long property line
• Commercial and retail fit-out and tenant strip-outs
• Ceiling grid, ductwork and partition studs
• New construction packaging and offcuts on an open site
• Large volumes of bulky light household furniture

Not the right size for

• Concrete, block, brick and any masonry
• Excavated clay, dirt, spoil and clean fill
• Wet carpet, pad and drywall after a basement flood
• Tighter subdivision drives without room to set and turn

Will it fit?

This is the size where the site decides, not the debris. The truck wants about 60 feet of straight approach, roughly 10 and a half feet of width and 20 feet or more of overhead clearance so the arm can stand an eight-foot-tall box upright, and it wants firm level ground to set it on. Open sites are ideal: new construction west and south of town, a commercial lot, or acreage toward Foristell, Wright City, Troy, New Melle and Defiance. Many tighter subdivision drives around Wentzville, O'Fallon, Lake Saint Louis, St. Peters and St. Charles will not take it, and we would rather tell you that on the phone than in your driveway. Protection boards are standard on any finished surface, and with this much steel they matter on freeze-thaw-cracked aprons and slabs already moved by expansive clay. Ice on a sloped drive stops a winter delivery outright, and plow windrows have to be cleared. On acreage, flag the septic tank, lateral field and well head, and expect a long gravel drive to rut when wet. HOA covenants in the newer subdivisions often cap container days, and a 40 attracts attention, so read the rule first. Send us photos and we will size the set honestly.

Before delivery, move cars and bins, mark irrigation heads and septic lids, and tell us about new concrete, soft ground, a steep grade or low power lines. Our delivery and driveway protection guide covers all of it.

Compare all four sizes