Sizing guide
Roofing is the one common job that runs out of lawful weight long before it runs out of space, which is why a tear-off never goes in a 30 yard or a 40 yard container. What actually moves the number, and the local hook: City Code § 50.06(C) names shingles among the materials the City of Saginaw will not collect.
There is one rule about roofing containers that is worth more than everything else on this page put together, so here it is first: a tear-off does not go in a 30 yard or a 40 yard container. Not a large one, not a small one, not “to be safe.”
That sounds backwards. Bigger is normally safer. On a roof it is not, and the reason is that roofing is the one common job where the material runs out of weight long before it runs out of space. A 30 or a 40 is a volume solution to a weight problem. Fill either one with shingles and you have a box that cannot lawfully move, sitting on a driveway, with a truck that cannot take it.
The rest of this article explains that properly, works through what actually changes the number on a Saginaw-area roof, and covers the local part — because in the City of Saginaw the City’s own ordinance names shingles, by that word, among the materials it will not collect.
Think about what else goes in a container. A house clear-out is bags and furniture: bulky, light, mostly air. Drywall from a remodel is sheets with voids between them. Brush is branches and gaps.
A tear-off is none of that. Stripped shingles stack and nest. They lie flat, they interlock, they settle under their own weight as the box fills, and by the end they are a dense slab rather than a pile. The volume you see from the driveway is not the volume the material is using.
Three things compound it, and all three are common on an older roof:
We are not going to put a pounds-per-square figure on this page. We did not source one, and a number invented to look authoritative is worse than no number. What we will tell you is the shape of the problem, which is the part that actually governs your decision.
Because the constraint is not the container. It is the road.
A loaded roll-off has to be driven away on public streets, under the same weight rules as any other truck. The lawful limit sits on the axles of the vehicle, not on the walls of the box. A 30 or a 40 yard container is a great deal of cubic capacity relative to what a truck can legally carry when the cubic capacity is full of something dense. Load one of those with a tear-off and you reach the road limit somewhere well short of the top — at which point you have:
A smaller container swapped more often is slower on paper and faster in practice. Two 15s that both leave full beat one 40 that leaves half-full and late.
This is not a Saginaw rule or a company rule. It is the physics of dense material in a box that is measured in cubic yards while the road sets its limit in pounds, and it is why roofing is the one service where the honest advice is to go down the size list rather than up. The relevant pages here are the 10 yard, the 15 yard and the 20 yard — and for anything we would call a roofing job, that is the whole list.
We are not going to pick a size for your roof from a web page, and you should be suspicious of a calculator that offers to. Here is what actually moves the answer, in roughly the order it matters:
Call (989) 272-9034 with those six answers and the conversation takes about two minutes. There is no quote form, no booking screen and no account on this site, which means nobody is going to make you guess at a drop-down menu for any of the above.
This is the piece that no national roofing-dumpster page will tell you, because it requires reading one city’s ordinance.
In the City of Saginaw, City Code § 50.06 is headed materials not to be collected, and subsection (C) reads: “Stones, bricks, plaster, shingles, lumber, demolition materials, building materials, concrete, sand, gravel, and earth.”
Shingles. By name, in the list, between plaster and lumber. Also lumber — which is your decking — and building materials, which covers the rest of it.
Subsection (I) closes the other door. It excludes “Material resulting from contract work”, with examples given as “landscaping, tree trimming, construction or demolition, or work done by utility companies.” So if a roofer did the work, the debris is outside City collection on that basis too, quite apart from being shingles.
And the household ceiling closes the third. § 50.05 requires approved containers to be rust-resistant, covered and tapered, with a capacity of 35 gallons or less, and states that “The weight of the container and its contents may not exceed 50 pounds.” Where the City Manager approves plastic bags, “Each household may set out no more than 20 bags per week.” The section also lists prohibited containers outright: metal or fiber drums, barrels, paper shopping bags, cardboard boxes, anything with sharp or jagged parts, anything over 35 gallons, anything likely to fall apart, and containers without adequate handholds.
Fifty pounds. One tear-off bundle is a problem at fifty pounds, and a roof is not one bundle.
Two things we are careful about here, and you should be too:
The City’s code was current through Ordinance O-274, passed 22 September 2025, effective 2 October 2025, when we read it at the City’s codifier. Ordinance history on § 50.06 runs through amendments in 1992, 2003 and 2015.
One more City provision, because it has a number on it and the number is short. § 94.068 deals with trash, abandoned property or building materials on the street right-of-way next to a property. An enforcement officer posts a weatherproof notice of at least 8 by 10 inches saying the material is improperly stored and “must be removed within 72 hours from the date of this notice”, and mails a copy to the property owner per City Assessor records. After 72 hours the officer may cause the trash to be removed, and the City’s removal costs are assessed and levied against the premises.
Note who the bill goes to: the premises. The property owner, not the roofer who generated the pile. That is worth knowing if you are a homeowner whose contractor is planning to come back for the debris “next week.”
Roofing containers get loaded from above, fast, by people who are tired. Placement matters more than on most jobs.
From the National Weather Service Detroit/Pontiac monthly normals for 1991 to 2020, at the station labeled “SAGINAW,” a few things are worth having in front of you when you book:
Those are normals for one station, published by the local forecast office at weather.gov/dtx, and they are not a forecast for your week. The practical reading is that late summer is reliably open but not reliably dry, and that a tear-off scheduled into a wet stretch means a heavier load from the same roof. If the forecast turns, call and move the delivery rather than letting an open roof and an open container both take the rain.
Three things, deliberately.
We are not going to publish a weight allowance, a rate, an included tonnage or an overage figure on this page. Sizing a roofing container is a weight conversation, and a weight conversation that happens through a web form instead of a phone call is how people end up surprised. Call and ask.
We are not going to tell you which specific size your roof needs before you have told us the six things above. A roofing calculator that answers from the square count alone is ignoring the layer count and the decking, which are the two variables that actually decide it.
And we are not going to tell you what any particular disposal site will or will not take, or name one. We did not verify any facility’s accepted materials, so we are not going to send you to one.
(989) 272-9034. Locally owned and operated, call-only — no quote form, no booking screen and no account. Tell us the squares, the layers, the material, the decking situation, the staging and where the box can sit, and we will tell you what we would send and why. If the answer is “two smaller ones rather than one big one,” we will say that, because on a tear-off it usually is.
Also on this site: roofing dumpster rental, roll-off dumpster rental, construction dumpster rental and same-day availability — which is a page about asking what the board looks like today, not a promise. Related reading: what size do I need?, what the City will not collect and 35 gallons, 50 pounds, 20 bags.
Talk to a real person
Call (989) 272-9034 and say what the material is, where the box would have to sit, and which community the address is in. Where the answer turns on a rule we could not read, you will be told that and pointed at the office that can answer it.
Call and ask what the board looks like today
From this guide
Smaller than you would guess, and never a 30 yard or a 40 yard. Roofing is the one common job that runs out of lawful weight long before it runs out of space, because stripped shingles nest and settle into a dense slab rather than a pile. A large container gives you cubic capacity you physically cannot fill, on a driveway, with a truck that cannot legally move it. The sizes in play for a tear-off are the 10, the 15 and the 20. Which one depends on your square count, how many layers are coming off, the material, and how much decking is being replaced, and that last one is the usual swing factor. Call (989) 272-9034 with those details rather than working from a calculator that only asks for roof area.
Because the limit lives on the truck axles, not on the walls of the box. A loaded roll-off leaves on public streets under the same weight rules as any other vehicle, and when the cubic capacity is full of something as dense as stripped shingles you reach that limit well short of the top of a 40. The result is a container you have paid for and cannot fill, sitting on a surface it may now be too heavy to be dragged off without damage, while the job stops. Two smaller containers that both leave full are quicker in practice than one large one that leaves half-full and late. This is not a local rule, it is what dense material does in a volume-sized box, and roofing is the clearest case of it.
No, and the ordinance names them specifically. City Code § 50.06 lists materials not to be collected, and subsection (C) reads stones, bricks, plaster, shingles, lumber, demolition materials, building materials, concrete, sand, gravel, and earth. Shingles by name, and lumber, which covers replaced decking. Subsection (I) separately excludes material resulting from contract work, with examples given as landscaping, tree trimming, construction or demolition, or work done by utility companies, so a roofer’s debris is out on that ground as well. The ordinance does not require anyone to rent a container; it states what the City will not collect, and the response is yours to choose. These are City of Saginaw provisions, and we established no refuse rules for any township in the county.
Not within the City of Saginaw’s own limits. City Code § 50.05 requires approved containers to be rust-resistant, covered and tapered with a capacity of 35 gallons or less, and states that the weight of the container and its contents may not exceed 50 pounds. Where the City Manager approves plastic bags, each household may set out no more than 20 bags per week. The same section prohibits metal or fiber drums, barrels, paper shopping bags, cardboard boxes, containers with sharp or jagged parts, anything over 35 gallons and anything likely to fall apart. Fifty pounds is roughly one awkward armload of wet shingles, and separately § 50.06(C) names shingles among materials not collected at all. Outside the City, ask your township what its rules are.
More than anything else on the list, which is why we ask about it before we ask about almost anything else. Plywood or board sheathing is heavy, and sheathing that is being replaced because it is rotten has usually been holding water, which makes it heavier again. On a roof where the decking turns out to be worse than expected, a container sized for shingles alone will reach its lawful weight before the job is done, and the difference is discovered at the worst possible moment with an open roof and rain in the forecast. If nobody knows the condition of the deck, somebody should lift a corner and look before the container is ordered. Tell us what you find on (989) 272-9034 and we will plan for it rather than around it.
The climate normals point to late spring through early fall, with one caveat. At the station the National Weather Service labels SAGINAW, the 1991 to 2020 normals show five months with a zero snowfall normal, May through September, and four months with a normal of six inches or more, December through March, with January alone at 13.9 inches. January and February are the only months whose average high is below freezing, at 29.5 and 31.8 degrees Fahrenheit. The caveat is rain: August is the wettest month at 3.85 inches, ahead of May and June. So the open window is reliable and not especially dry. A tear-off that gets rained on gains weight without gaining coverage, so if the forecast turns, move the delivery.
Six things, and they take about two minutes on the phone. The roof area in squares, or the footprint and a rough pitch if you do not have the square count. How many layers are coming off. What the material is, since architectural shingles, three-tab, cedar, roll roofing and membrane do not behave alike. Whether decking is being replaced and roughly how much. Whether the roof is going on in one run or in stages, because a front-and-back split over two weeks is a different plan. And where the box can sit, including what it has to cross to get there and what is overhead, since the truck needs vertical room to load and unload. Call (989) 272-9034. There is no quote form, no booking screen and no account.
Keep reading
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