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Understanding the Differences Between Item #4 and Millings for Your Project

  • Writer: Harry Merrill
    Harry Merrill
  • Oct 25, 2025
  • 4 min read

Understanding the Differences Between Item 4 and Millings for Your Project


In construction and landscaping, selecting the right materials can significantly influence your project's success. Two materials that frequently enter the conversation are Item #4 and millings. Although both are valuable for various applications, they have key differences that could affect the quality and durability of your work. This post will help clarify the distinctions between Item #4 and millings, giving you the knowledge you need to make informed decisions.


Close-up view of a pile of Item #4 gravel
A close-up view of a pile of Item #4 gravel, showcasing its texture and size.

What is Item 4?


Item #4 is a type of crushed stone used widely in construction and landscaping. It consists of a mixture of stone dust and small gravel that generally ranges in size from 1/4 inch to 1 inch. This material is highly versatile, making it a popular choice for foundational layers in driveways, walkways, and patios.


Benefits of Item 4


One of the standout features of Item #4 is its excellent ability to compact, which creates a stable and sturdy base for various surfaces. For example, when used as a driveway base, it can handle the weight of vehicles without settling or shifting. According to the National Asphalt Pavement Association, using a solid base can extend the life of asphalt surfaces by up to 30%. Additionally, Item #4 is often employed in drainage systems that require tough materials that let water flow through while still supporting loads.


What are Millings?


Millings are recycled asphalt products created when asphalt pavements are torn up or resurfaced. This material consists of small pieces of asphalt intermingled with gravel and stone. Because of their recycled nature, millings often emerge as a budget-friendly alternative to conventional gravel or stone.


Eco-Friendliness of Millings


The eco-friendly characteristics of millings are particularly noteworthy. Utilizing recycled asphalt helps reduce landfill waste. In fact, the Environmental Protection Agency (EPA) estimates that around 70 million tons of asphalt is recycled every year in the U.S. Millings can be used in various applications, such as driveways, parking lots, and as foundational material for new asphalt surfaces. They can yield a stable, compacted surface suitable for everyday use.


Key Differences Between Item 4 and Millings


While Item #4 and millings can serve similar purposes, several significant differences set them apart.


Composition


The core difference lies in their makeup. Item #4 is composed mainly of crushed stone and gravel, while millings consist of recycled asphalt. This distinction influences their properties and performance in various applications.


Cost


In terms of cost, millings usually come at a lower price point compared to Item #4. A recent market analysis showed that millings can be approximately 20% to 50% cheaper than new gravel materials, depending on local availability. This makes them an attractive option for budget-conscious projects, especially in large-scale applications.


Performance


Both materials have unique strengths. Item #4 is renowned for its compaction ability and superior drainage properties, making it a strong choice for projects needing stable bases. While millings can also compact well, they may not deliver the same stability as Item #4, particularly in high-traffic areas where robustness is a concern.


Aesthetic Appeal


When it comes to aesthetics, Item #4 often has an advantage. Its natural stone appearance complements landscaping, giving a refined look. In contrast, millings tend to have a rougher, less polished visual appeal. If the project's visual aspect is important, you may want to give Item #4 the nod.


Ideal Applications for Item 4


Item #4 is an outstanding option for various applications, including:


  • Driveways: Its compaction capability makes it an excellent base, providing a stable surface for vehicles. A well-constructed Item #4 driveway can last over 15 years with proper maintenance.


  • Walkways and Patios: The material ensures longevity and stability, essential for maintaining level surfaces over time.


  • Drainage Solutions: Its drainage efficiencies are ideal for constructing French drains and drainage ditches, significantly reducing standing water problems.


Best Uses for Millings


Millings are most suitable for projects prioritizing cost savings and eco-friendliness. Here are some applications:


  • Affordable Driveways: For budget-conscious homeowners, millings offer a solid surface without the hefty price tag, sometimes as low as $1 per square foot.


  • Parking Lots: They create stable surfaces that can endure vehicle traffic, providing a practical alternative for commercial projects.


  • Temporary Installations: If you need a quick and efficient solution for temporary surfaces, millings can be rapidly installed and compacted, making them a time-saving choice.


Making an Informed Choice


Both Item #4 and millings have their specific advantages and applications. Item #4 is ideal for projects requiring a stable, visually appealing surface, while millings offer a cost-effective and environmentally responsible alternative. By recognizing the differences between these two materials, you can choose the best fit for your unique project.


Whether it's for a durable driveway, a practical walkway, or an effective drainage solution, assess your project requirements carefully and select the material that aligns best with your objectives. Enjoy your building journey!

 
 
 

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