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Guide to waste balers

What is a Baler?

A baler is a machine that compresses recyclable rubbish into a dense cube or cuboid block. It significantly reduces the volume of waste by compacting it into a large bale. They’re commonly used for efficient and cost-effective waste management by businesses that produce high volumes of recycling.

Waste balers simplify the recycling process of cardboard, paper, plastic, aluminium, and textiles by condensing them into bales. These are much easier to store, transport, and recycle than loose materials. Depending on the materials and amount of waste, the bales can also be used for recycling rebates in some cases.

Waste balers can save space on your site and reduce the volume of some waste types by up to 90%. This saves space compared to using many bins or skips for storage and means you’ll need fewer collections for more affordable management. Read on to find out what a baler is, how it works, and answers to other questions.

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How does a baler work?

A baler works by loading recyclable rubbish of the same stream (such as cardboard or aluminium) into the chamber. The powerful hydraulic ram (or rams in a two-ram baler) then apply pressure to the materials that compacts everything together. This significantly reduces the volume and any air gaps between the waste.

The materials achieve the desired size and density of the bale. If it’s an automatic baler, then wire, twine, or some other strapping is applied to the bale before ejection. For a manual baler, the dense bale is ejected, where it will need to be manually tied together. The bale can then be moved to a safe storage space or transported directly to a recycling centre.

How do you use a baler?

Every baler has its own instructions that you should read and follow closely. There are differences between using vertical and horizontal balers and those of different sizes and types. However, the general process to use a baler is often similar. This is how to use a baler:

  • First, feed the bale strapping into the machine before adding the chosen recyclable waste material into the chamber.
  • Close and lock the door to the baler to start the machine.
  • The baler then uses extreme pressure within the chamber to compress the waste into a small, tight block – a bale. The size of this bale depends on the machine’s size.
  • Further material can typically be added to the baler between compressions to ensure the bale capacity is reached.
  • Once the maximum volume of material has been compressed, providing the strapping has been tied, the removal of material is simple and ready for further processing.

What’s the difference between 
a baler and a compactor?

Balers differ from compactors as balers are only used for clean and dry recyclable materials, whereas a compactor can crush general waste and other non-recyclable rubbish. If you produce lots of waste but it’s not recyclable, then you may need a waste compactor instead.

The other main difference is that a baler produces dense bales that are removed from the machine for storage and recycling. With a compactor, the waste is crushed together and condensed within its container. Depending on the kind of compactor, the container itself might need removing or emptying, which can require more labour and time.

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waste paper bale.

What are the different baler sizes?

Balers are available in many sizes. Some common baler sizes include:

Mill size balers

Large balers are often fully automatic, suiting industrial businesses with complex and consistent recycling needs. Mill size balers are ideal for cardboard and plastic and help to reduce storage space thanks to their higher capacity. They typically use a hydraulic ram to compress the chamber contents.

Mobile and portable balers

Portable balers are suited for businesses with flexible requirements. Their mobility ensures industries such as hospitality benefit from the ability to move them around their premises for use at different points. Mobile balers also save money in terms of transportation and storage requirements.

Mini and small balers

Ideal for small businesses, mini balers are much smaller than their industrial counterparts and are usually simpler to operate. They’re lightweight and easy to manage, often featuring refrigerator-style doors for ease of use. Mini balers produce very small bales.

Vertical balers

Vertical balers compress waste with a vertical force. They’re often chosen for their smaller footprint, taking up less floor space compared to a horizontal baler. They’re often cheaper, too, and can process various waste materials depending on the model. Some more sophisticated vertical balers will crush specialised materials, such as coffee cups and storage drums.

Vertical balers are a perfect waste solution for medium-sized businesses, such as nursing homes, hotels, and convenience stores.

Horizontal balers

Horizontal balers squash waste horizontally, pushing the material from either side instead of downwards. This type of baler is ideal for large commercial businesses needing to crush a high volume of waste quickly. Horizontal balers are also chosen for their consistency, producing waste blocks of equal size and shape, even when operated at speed.

Horizontal balers can work with other industrial machinery, such as conveyor belts and shredders, helping to speed up the waste disposal process. They’re often used for packaging waste, old newspapers, cardboard, and other non-elastic waste items.

What are the different bale sizes?

The production of bale sizes depends on the size and type of baler you use. For example, the largest, mill-sized balers can produce cardboard bales weighing more than 500kg. At the other end of the scale, mini balers can produce cardboard bales of just 29kg. It depends on an individual company’s recycling needs and throughput.

Cardboard bale collection

What type of waste can a recycling baler bale?

Industrial recycling balers are designed to bale all sorts of recyclable waste. This includes industrial and commercial waste such as:

  • Cardboard – boxes, packaging, and corrugated cardboard
  • Plastic – such as wrap, plastic bottles, PET, and cartons
  • Scrap metal – aluminium cans, metal offcuts, and foil
  • Paper – newspapers and magazines, packaging, and paper cups

Why would you use 
a recycling baler?

Balers are increasingly necessary for businesses looking to increase their recycling while saving money and space. The surface area balers and bales of waste take up far outweighs the room needed for pre-baled recycling. They can significantly reduce the volume of rubbish by up to five or ten times, depending on the material.

Balers ensure that the removal process of recycling is more fluid, thanks to baled waste’s ease of transportation. Bales are simple to stack and move, which makes loading onto trucks for transportation simple. Plus, by reducing the volume of waste, you’ll need fewer and less frequent collections – saving you money on waste management costs.

Baling waste can also help you qualify for recycling rebates, depending on the type and volume of waste materials. Rebates can be available for bales of cardboard, paper, scrap metal, and plastic in some cases. Find out more about recycling rebates.

The environmental benefits of using a baler machine are that it reduces the volume of waste. This saves storage space for businesses, which means more rubbish can be kept onsite for longer and waste collections organised less frequently. In turn, this uses less fuel for waste removal, meaning fewer carbon emissions are released.

Using a baler machine also helps businesses sort and separate recyclable rubbish before collection, which reduces the chance of contamination. This boosts recycling rates and reduces the amount of waste that ends up in landfill. Therefore, your waste management avoids adding to air, ground, and water pollution levels caused by landfill waste.

Who uses recycling balers?

Recycling balers are used in every industry, from retailers and food producers to manufacturers, hospitality, and distribution centres. Recycling and waste companies use them to streamline their disposal processes. Balers are suited to all business sizes, so even independent retail stores benefit from what a baler offers in terms of space and cost-saving benefits.

How much does a baler cost?

The cost of a baler depends on the size, type, condition, manufacturer, and where it’s purchased. Generally, smaller balers are cheaper. A new vertical cardboard baler can cost from around ÂŁ3,000 upwards. Large horizontal balers can cost upwards of ÂŁ20,000. You can buy second-hand balers for a cheaper choice.

Buying a baler is a big investment for any business. An alternative is to hire a baler. This is more flexible and means it’s easier to change to a bigger or smaller baler if the amount and types of rubbish your organisation produces change. You won’t be stuck with a baler to sell that you no longer use.

Rental rates for baler machines vary depending on the size, type, manufacturer, rental company, and location. The rental terms and length also affect the price. Transportation and installation costs, as well as the collection of any waste bales also need to be factored in. Call 0800 211 8390 or contact us online for a free quote for baler hire in the UK.

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Rent a baler with Business Waste

Think your business could benefit from a waste baler? We can provide a wide variety of recycling balers to companies of any size and industry anywhere in the UK. As a leading waste broker, we work with local and national firms to source highly competitive prices for waste balers that suit your needs.

Tell us a few details about the type and volume of waste you produce, your location, and some other key information and one of our experts will advise on the best baler for your business. Get a free no-obligation quote for a baler bespoke for your business today – call 0800 211 8390 or contact us online.

Waste balers – Technical FAQs

  • What is the ram on a baler?

    The ram capability on a baler refers to the pressure of the ram held inside the machinery – the stronger the ram, the more it can crush. If you’re crushing tougher materials like metal and plastic, you’ll want to choose a ram with higher compression to avoid springing waste.

    Balers are available in 2000, 2300, or 5000 lbs. of ram force. They range from 12 to 18 inches wide, 18 to 24.5 inches deep, and 34 to 36 inches high.

    It’s important to be wary of the safety requirements for high ram balers. The force applied to materials such as plastic and glass could cause springing and shattering during the compacting process. Always wear the correct safety equipment, including goggles for eye protection.

  • How long does it take to bale waste?

    How long it takes for your baler to crush your waste depends on the size and strength of the machine and the type and amount of waste you want to compress. This also affects the cycle time of baling. If you have a mill-sized baler, for example, the baling process may well be on an industrial scale, meaning ongoing compressing during business operation times.

  • What type of power outlet is required for a baler?

    The type of power outlet you need for a baler depends on the model of baler you use. It varies hugely depending on the baler size. Speak to the manufacturer and look through the model specs before connecting any baler to a power outlet to ensure it’s correct.

  • What are the maintenance requirements for a baler machine?

    The exact maintenance requirements for a baler depend on the specific machine and should be included in the operating manual and any training provided. General good practice for baler maintenance includes to:

    • Train operators to use and maintain the baler properly and safely.
    • Follow the manufacturer’s checklist for monthly, quarterly, and annual checks and maintenance tasks.
    • Clean debris inside and outside the baler – especially around the ram(s), sensors, and oil cooler.
    • Sample the oil used in the baler every 1,200 operating hours and change the baler’s oil and air filters every 950 hours.
    • Examine the baler’s wear parts every 1,000 to 1,500 hours of use. This includes the liners and auto tiers and repairing or replacing them if required.
    • Keep detailed maintenance records about the baling machinery, including oil analysis and cleaning reports.
  • Can a baler machine be used to bale hazardous materials?

    Most balers cannot be used to bale hazardous waste materials and are designed to compact dry mixed recycling, such as paper, cardboard, and plastics. However, there are specialist hazardous waste compactors available that are designed to compress soft hazardous materials like contaminated gloves, masks, and paper tissues.

  • What is the lifespan of a typical baler machine?

    The lifespan of a typical baler machine is between 10 and 15 years. This depends on their use, maintenance, and manufacturing quality. Well-built and maintained baler machines can have a lifespan longer than 15 years. Those used less frequently may also last for longer.

  • What are the safety measures that need to be taken when using a baler machine?

    Key safety measures to take when using a baler machine are to:

    • Wear appropriate PPE (Personal Protective Equipment), such as safety glasses, gloves, and steel-toe shoes.
    • Follow the manufacturer’s operating instructions and safety rules, as well as any business policies and procedures.
    • Inspect the baler before use and observe any locks or tags placed on it by maintenance personnel.
    • Stand away from the front of the baler during operation.
    • Ensure the sharp (cut) end of the baling wire is facing down when using it to avoid cuts.
    • Use assistance when moving the bale to avoid back injury, or unload onto a pallet and move using a pallet jack.
    • Remove the key from the switch when finished.
    • Clean the baler and the surrounding floor surface after use to avoid slips and falls.
  • Is training required to operate a baler machine?

    Training is required for anyone to operate a baler machine. It ensures operators use the baling machinery safely and properly to get the best possible results and minimise the chance of accidents. Operator misuse can cause injury and baler breakdown. Proper training helps reduce baler downtime and incidents.

    You might be able to provide baler training in-house or use a third party to deliver professional baler training. Important topics to cover include health and safety requirements, equipment, understanding parts, cleaning a baler, instrumentation and controls, and baler machine operation.

  • How much space is required for a baler machine to operate effectively?

    The amount of space you need for a baler to work effectively depends on the size and type of the baler. Generally, you need enough space to walk around the baler, open the chamber door, put in waste, and remove the bales. This should all be possible without blocking any doors or windows in the room.

    A baler machine should be placed near where waste is produced and along the path that rubbish follows through your premises. For many organisations, this is in a warehouse, bin area, or at the end of a production line.

  • Can a baler machine be rented for short-term or long-term use?

    Baler machines can be rented for both short and long-term use. This provides an affordable option for organisations that don’t need or want to buy a baler, or only need temporary use. Rental terms for baling machines can vary from a couple of weeks to a few years.

    When renting a baler, you’ll need to factor in time to transport and install the baler. Baler leasing is also possible, with some lease-to-own options available where you make regular payments over a set period and own the baler when the final payment is made.

  • What are the delivery and pickup options for baler machine rentals?

    Most balers are delivered on a trailer due to their size. Once a rental agreement is in place, we’ll work to establish a date and time to deliver the baler to your premises. You’ll know in advance to have time to clear the space and ensure the delivery fits in with your operations.

    You can book collections of waste bales of cardboard, plastic, metals, and other recyclables on a daily, weekly, or fortnightly basis. Once your baler rental period ends, we’ll arrange pickup of the baler machine at a suitable time and date.

  • Can a baler machine be customised to fit specific needs or requirements?

    Some manufacturers of baling machines can build custom models to suit the specific needs of businesses. Experts can assess your premises and needs, plan a solution, discuss the costs, build a custom baler machine, and install it. A customised baler is normally more expensive than buying or renting another baler due to the extra time and effort required.

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  • We cover all of the UK

Published 25th July 2025 by Graham Matthews.