A typical Centennial roof replacement removes several tons of material in a single morning. It goes into a roll off container in your driveway and then it goes somewhere, and where that somewhere is turns out to be a question worth asking, both because the answer is interesting and because it tells you something about how a contractor operates.
How Much Material Comes Off
Asphalt shingles are heavy. A single layer on an average sized home commonly runs a few tons, and older Centennial homes that have been through multiple reroofs can carry more than one layer, which multiplies the load. Add underlayment, old flashing, edge metal, vents and the nails that come with all of it.
That mass is why container placement matters, why a loaded roll off should sit on protection rather than directly on your driveway, and why a crew's cleanup discipline is visible in your yard for weeks afterward.
Landfill or Recycling
Historically nearly all of it went to landfill, and a great deal still does. Asphalt shingles are recyclable in principle: the asphalt content can be reclaimed and used in road paving, and there is an established market for the material where processing capacity exists.
Whether it happens on your job depends on local availability and on economics rather than on intent. Recycling requires a facility that accepts shingles, sorting that keeps the load clean, and a tipping cost that competes with the landfill. Ask your contractor what they do with tear off and where it goes. It is a fair question, the honest answer may well be landfill, and a contractor who has clearly never considered it is telling you something about how much of the job they think about.
What Makes a Load Recyclable
- Separation. A container with shingles plus construction debris plus a broken pallet is contaminated and generally goes to landfill regardless.
- Age of the material. Very old roofs can carry material that facilities will not accept, so shingle recycling is not universal across all vintages.
- Nails and metal. Processed out at the facility, but heavy contamination affects whether the load is worth taking.
- Distance. Hauling is a cost, and a facility far from the south metro can make recycling uneconomic on a single residential job.
The Part That Ends Up in Your Yard
Whatever happens to the container, some of the old roof lands on your property. Nails are the main issue: thousands of them come off with the shingles, and they scatter into the lawn, the beds, the driveway and the street.
The standard is a magnetic sweep of the driveway, walkways, lawn and street at the end of each working day rather than only at the end of the job. Ask specifically whether sweeps are daily. On a block with kids and dogs the difference matters, and the answer separates crews that have worked residential neighborhoods from crews that have not. Ground tarps under the eaves during tear off cut the problem substantially before it starts.
Protecting the Property During Disposal
A few things that should be standard and are not always. Plywood or matting under the container rails, because a loaded roll off on decorative or aging concrete will leave a mark. Tarps over landscape beds and window wells, since debris funnels there. Gutters covered where material will pour off an eave. Vehicles moved out of the driveway before delivery rather than before the crew.
None of this is expensive and all of it is a decision made before the truck arrives. Our Centennial roof replacement page covers the rest of the sequence.
What to Ask Before the Job
Four questions, none of them confrontational. Where does the container go and what protects the driveway under it. What happens to the tear off material. Are magnetic sweeps daily or only at the end. And is disposal included in the bid or billed separately, because a disposal charge that appears as a surprise line on the final invoice is a conversation nobody enjoys.
The answers take two minutes and they predict the tidiness of the whole job with reasonable accuracy.
Tear Off Disposal Questions Centennial Homeowners Ask
- Can asphalt shingles be recycled? In principle yes, since the asphalt content can be reclaimed for road paving. Whether it happens on a given job depends on facility availability, load cleanliness and hauling economics, so ask your contractor what they actually do rather than assuming either answer.
- How much waste does a roof replacement produce? Several tons on an average home for a single layer, and more where an older roof carries multiple layers. That weight is the reason container placement and driveway protection are worth discussing before delivery.
- Who cleans up the nails? The contractor, with magnetic sweeps of the driveway, walkways, lawn and street. Ask whether sweeps happen daily or only at the end of the job, because daily is the right answer.
- Is disposal included in a roofing bid? It usually is, but confirm it rather than assume. A disposal or dump fee that appears for the first time on the final invoice is avoidable by asking one question during the estimate.