The matter of choosing the appropriate type of aggregate for any construction or landscaping job requires careful thought because size counts far more than anyone may think. The two most common aggregates used in Perth include 10mm aggregate and 20mm aggregate, each with its own set of characteristics and capabilities that make it perfect for particular purposes. Whichever job you may have on hand, whether it is pouring a concrete slab, installing a driveway, making a drainage solution or working on an extensive civil job, getting the right size of aggregate is essential for success.
Here at Formula Transport, we offer the best 10mm and 20mm aggregates to all residential, commercial and civil clients of Perth and nearby areas. In this article, we will tell you everything you need to know about these aggregates and explain how to choose the right one for your project.
What Is Aggregate and Why Does Size Matter?
Aggregates refer to a general category of crushed rocks, gravel, or stones which are essential building blocks for different kinds of construction products. Aggregates are normally mixed with cement and sand to make concrete, serve as base layers below roads and drives, or act as drainage materials in other civil works and landscapes.
Aggregate size has a direct influence on several important characteristics, including concrete workability, strength of base layers, drainage rates, as well as general durability of a road. Choosing inappropriate size of aggregates may result in weak concrete, inefficient drainage, unstable surface, or excessive consumption of aggregates.
What Do You Need to Know about 10mm Aggregate?
10mm aggregate refers to a crushed stone or blue metal with particles that measure around 10 millimetres across in size. This type of aggregate is popularly used in projects where a finer finish is desired.
Applications for 10mm Aggregates
- Concretes used on walkways, foundations, and floors when a smoother surface finish is desired
- As a layer between pipes and under drains when smaller pieces will be able to fill void spaces better
- As decorative surfaces in the garden
- In rendering work where a smoother aggregate mixture is needed
- Spaces where small stone sizes cannot easily settle
Advantages of 10mm Aggregate
The reduced size of 10mm aggregates makes it considerably easy to use in applications that require detailed and precise finishing. This leads to better surface finish of the concrete which is suitable for residential slabs and paths within the home. The tightness in size also allows for better adherence in the mixture as well as filling in small trenches. In cases where aesthetics play a critical role, 10mm aggregates are mostly used.
What Do You Need to Know about 20mm Aggregate?
20mm aggregate is a coarse type of crushed stone with particles measuring roughly 20 millimeters in diameter. This type of aggregate is commonly used by Perth's construction industry, especially when it comes to concrete work and heavy-duty structures.
Ideal Uses of 20mm Aggregate
- Construction of high-strength concrete for driveway paving, foundations, columns, and other structures
- Bases for roads and pavements
- Construction of drainage systems such as soakwells, French drains, and retention basins
- Civil works
- Fill material for retaining walls with a free-draining requirement
Advantages of 20mm Aggregate
With the larger sized particles, the 20mm aggregate has better load-bearing properties, hence making it a favorite aggregate for use in driveways and concrete work which will be used by vehicles. The bigger voids between the particles also make the 20mm aggregate perfect for use in drainage works because it allows water to flow easily without causing any waterlogging. In addition, the 20mm aggregate is cost-efficient in large-scale works due to its structural properties.
How to Choose the Right Aggregate Size for Your Project?
Choosing aggregate size to use for your project will depend on the nature of the project itself. For Example;
- Is the project for a residential or commercial? If your project is a domestic slab, pathway or garden application then 10mm aggregate will suffice and be easier to handle than 20mm aggregate. However, if your project is like a commercial driveway; structural large pours or civil works then you will want to use 20mm.
- What type of aggregate do you need for your primary function? If you are doing something that requires adequate drainage then 20mm aggregate should be your default choice, however if you are using the aggregate in a concrete mix that requires smooth working or if you are filling narrow trenches then you would want to use 10mm.
- Are you putting a heavy load on this surface? For example, any surface where the cars are driving on; or other high traffic areas should have higher compressive strength of structural concrete with 20mm.
- Are you concerned with how the surface will look? If you are creating an exposed aggregate surface or a residential footpath that is aesthetically good looking then you would want to use 10mm aggregate for a clean and smooth finish.
Can One Use Both 10mm and 20mm Aggregates Together?
There is one special case where it is possible to combine the 10mm and 20mm aggregates for the purpose of attaining optimum packing density in the concrete mixture. Here, the 10mm aggregate will act as a filler that fills up the spaces existing between the bigger-sized 20mm aggregates. This combination is very useful when there are requirements of high workability and strength at the same time.
Purchase Premium 10mm and 20mm Aggregates in Perth by Formula Transport
We at Formula Transport know that the use of appropriate material from the outset can save a lot of trouble. Given that we have been operating in the field of sand, gravel, road base, and aggregates delivery in Perth and surrounding regions for more than two decades now, we have the required expertise to guide you about the right material for your project.
We provide both 10mm aggregate and 20mm aggregate in bulk form, with timely delivery to residential, commercial, and civil construction sites in and around Perth metro area. We assure safe and punctual delivery of your material by our well-equipped fleet of tipper trucks.
If you require any amount ranging from a few tons to bulk, we are here for you.
Aggregate 10mm vs 20mm: Differences at a Glance
A brief summary of the major differences between these two aggregate types:
- 10mm aggregate is finer in particle sizes than 20mm aggregate, and as such, provides a finer finish than 20mm.
- 10mm aggregate blends so much easier with small concrete pours than does 20mm aggregate, allowing for ease of use.
- The larger void space of the larger 20mm aggregate means more drainage flow and, thus, a better option for soakwells and French drains.
- 20mm Aggregate generally supports heavier loads than 10mm aggregate, and thus, a better option than 10mm for Driveway and hardstand supporting vehicle traffic.
- 10mm aggregate will provide a much smoother finish than 20mm aggregate, and therefore is a better choice for paths, decorative concrete, and domestic projects.
Conclusion
Both 10 mm and 20 mm aggregates are very useful in different construction and landscaping applications in Perth. Your best option depends on the application you require the aggregates for, your load capacity, drainage requirements, and the type of surface you desire. Knowing the properties of both sizes of aggregates will enable you to achieve success in your projects.
FAQs
What is the major difference between 10mm aggregate and 20mm aggregate?
The major difference is in the particle sizes, whereby 10mm aggregate is smaller and therefore suited for smooth finish of concrete, while 20mm aggregate is bigger in size and therefore provides better strength, drainage and load carrying properties for bigger works.
What size of aggregate would you recommend for concrete driveway in Perth?
20mm aggregate would be the best size to use for concrete driveway due to its higher compressive strength and therefore durability to withstand vehicle movements on the driveway and Perth weather conditions.
Is 10mm aggregate suitable for use as drainage aggregate?
10mm aggregate will provide some form of drainage, but 20mm aggregate is more suited for drainage purposes like French drains and soak wells due to its bigger particle sizes forming bigger spaces in the drainage system.
Can I combine 10mm and 20mm aggregate?
Yes. Mixing both the aggregates is quite common while designing concrete mixes. The smaller 10mm size will serve the purpose of filling the space between larger 20mm sizes, increasing density, reducing voids, and strengthening the mixture.
How much aggregate do I need?
The amount of aggregate you may require will be dependent upon the size and intended use of the project. Therefore, the best idea is to determine the volume of aggregate needed.
Does Formula Transport deliver aggregate to all parts of Perth?
Yes. Formula Transport supplies 10mm and 20mm aggregate in the whole metropolitan region of Perth and its surroundings.
