Ultrasac 42 gallon contractor clean-up bags are black polyethylene bags measuring 32.75 x 45.125 inches, with built-in tie flaps and one at a time dispensing from a box of 20. They are sized for outdoor trash cans and for bagging heavy loads like pruned branches, grass clippings, demo debris, and moving cleanup.
Homeowners, property owners, and anyone working through regular yard or shop cleanup will get use from them. They fit standard 32 to 42 gallon cans, so for larger 55 gallon drums or carts, choose a bigger bag size.
Specifications
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Product Type: Contractor clean-up trash bags
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Capacity: 42 gallons
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Bag Dimensions: 32.75 in x 45.125 in
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Count: 20 bags per box
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Closure: Built-in tie flaps
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Material: Proprietary polyethylene resin blend
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Dispensing: Packed for one by one pull out
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Color: Black
Heavy Bags for Brush, Clippings, and Construction Debris Around the Property
If your yard and project waste regularly includes sticks, thatch, broken masonry, or other material that punches through ordinary trash bags, these 42 gallon contractor bags give you a heavier container that still fits an outdoor can.
You can bag cleanup from string trimming along fence lines, cut brush, sod and soil removed while edging beds, or chunks of concrete broken up with a spade and pry bar. The tie flaps let you close a full bag without hunting for twist ties, which matters when the contents are lumpy. The 45 inch length gives you extra bag to fold over the rim of a tall can so the bag stays put while you load it.
What to Expect from the Ultrasac 42 Gallon Contractor Bags in Real Use
Verified purchasers consistently describe these as big, thick bags that hold heavy and awkward loads without leaking or splitting. Reported uses include large amounts of heavy trash after a move, lawn clippings and branches from mowing and yard work, and dense material such as bricks and concrete pieces. Several owners have bought them repeatedly over a span of years and say the durability has stayed consistent from box to box.
Sharp contents are where you still need some care. A longtime user notes that it takes real carelessness with pointed or jagged edges to rupture one, which suggests normal attention to how you load metal, glass, and splintered wood is enough.
The bags also run long, and owners mention they fit outdoor trash bins well with room to spare at the top. For jobs that call for hand tools and heavy debris, expect these to handle the load as long as you keep each bag to a weight you can lift.
Real-world performance notes sourced in part from verified Amazon customer purchases.
Frequently Asked Questions
What size trash can fits a 42 gallon bag?
A bag with a flat width of 32.75 inches opens to a circumference of about 65.5 inches, which fits cans up to roughly 20 inches in diameter. That covers most 32 to 42 gallon round outdoor cans. The 45 inch length leaves several inches to fold over the rim of a standard height can. For 55 gallon drums or wheeled municipal carts, you need a larger bag.
Can you put bricks and concrete in contractor bags?
Yes, contractor bags can hold brick and concrete pieces, but weight adds up fast. Fill each bag only partway so you can lift it from the bottom without dragging, and set jagged pieces in flat side down rather than letting points press against the plastic. Placing the bag in a wheelbarrow or truck bed before you fill it saves you from carrying heavy loads by hand.
What is the difference between contractor bags and regular heavy duty trash bags?
Contractor bags are made thicker and larger than household trash bags, with tougher plastic intended for construction debris, yard waste, and cleanup jobs that involve sharp or heavy material. Regular heavy duty bags are designed mainly for kitchen and household waste and tear more easily when loaded with branches, drywall, or rubble. Choose contractor bags when your waste is heavy, bulky, or rough edged.
