The READY Exposed range of exposed aggregate concrete consists of a number of different mixes that create their own natural look using different colour and size pebbles. As a leading exposed aggregate supplier in Melbourne, we offer a countless range of aggregate concretes in different styles, colours, and textures. See more ideas about exposed aggregate concrete, exposed aggregate, aggregate concrete. Exposed Aggregates are achieved by washing away the top layer of concrete to leave the surface layer of aggregate exposed. by Louis Salmons, posted in Aggregate, Concrete Driveways, Exposed Aggregate If you are pouring concrete, and you want to achieve the best exposed aggregate finish possible, you must use some type of a water reducer, also called a set retarder. The labor involved is little more than what is required for a steel trowel finish. Select the pea gravel or other decorative stone as the aggregate for the concrete. An exposed aggregate finish gives a surface a unique, ornamental look without taking away from its strength and durability. exposé ® is ideal for use on outdoor areas, the more heavily exposed finish is perfect for driveways or areas requiring more grip.To add extra dimension and individualise your project, select any of the … Push the broom gently over the top to remove the top layer of cement paste. It is often helpful to use a single size of coarse aggregate (1/4 to 3/8 inch, or 3/8 to 3/4 inch, for example) rather than a graded aggregate. Variations can occur in shade as a result of print quality. You can also combine READY Colour to your exposed mix to enhance the effect that you are look for. Coarse aggregate = 1087.75 kg/m 3. Mentone Pre Mix has concrete floor solutions for your home or business. From the start, it was clear that the grade of the aggregate could be varied, both to give different frictional properties and to vary the appearance of the surface. Made from exposing some of the aggregates (sand and small stones) in the concrete, it looks natural and is slip-resistant, so it fits in seemlessly with every outdoor landscape. Again, many different deco-aggs may be used, chosen for their shape, their texture, their colour or a combination of these factors. Concrete slabs with exposed aggregate finishs are becoming increasingly popular for swimming pool decks, patio floors, driveways and sidewalks. The exposed aggregate concrete mix is 21 Labasa it has a gray base and blend of mainly 7mm bluestone and has some nice brown baige white concrete aggregates. Thus, the exposed aggregate concrete finish was born and no sooner we at Metro Mix Concrete started to work with Melbourne’s architects and designers to diversify and exploit the decorative effects possible with this exciting new finish. Please also refer to our Terms and Conditions . Talk to your local Firth … BGC Concrete personnel are available to provide expert advice once you have made your mix selection. Different types of concrete. If you use anything other than a standard mix you should make sure it has the proper workability; if not, you may have to increase or decrease the sand content to make it suitable for placing and finishing. The main purpose of this material is to reduce the speed at which the concrete will set. Exposed aggregate concrete offers the designer a broad pallet of visual possibilities both in texture and colour. Its created through a mixture of various coloured stones and cement that give it its unique textured finish. Pea gravel (3/8 … Concrete Mix proportions for Concrete Trial Mix – 1. Once you stage the box, hammer stakes into the perimeter to hold it securely in place. Mixing aggregate concrete is simple, but … Although we take all care and attention, we do not guarantee colour consistency throughout a particular project. We recommend viewing our samples at one of our display locations before choosing your final mix. Decorative concrete is highly adaptable in both style and application. Remove just enough cement to show the shape and color of the aggregate, and hose off the removed cement. Over the past 15 years we received numerous phone calls and emails from people who are looking for a good way to repair exposed aggregate concrete slabs. The type of aggregate you choose will have a strong impact on the resulting look of your surface. To view more mix designs please visit our showroom and speak with one of trained consultants. The amount of aggregate you use is proportional to the density of exposed stones on the surface. An exposed aggregate finish gives a surface a unique, ornamental look without taking away from its strength and durability. The typical proportions used for are 15 percent cement powder, 15 percent water, and a 70 percent mix of aggregate and sand. The final and perhaps the most important step is to hose off the surface to expose the internal aggregate mix, therefore, achieving an exposed aggregate surface. Exposed Aggregate. All of this presupposes that the mix will be designed for adequate strength (preferably 4000 psi if for outdoor use in a freezing climate), will have a slump of 2 to 4 inches and, if to be exposed to weather, will be air entrained. Pour the aggregate concrete into the foundation and screed the surface with a clean 2-by-4 inch board. Q.: Is there a standard mix to use for exposed aggregate flatwork if you do not want to seed the top of the concrete with a special aggregate? The concrete solidifies and hardens through a chemical process called hydration. Colour variations can be caused by many factors which are beyond our control, including the amount … Your Trusted Exposed Aggregate Concrete Supplier In Melbourne & Geelong. We source our pebbles locally, which is why every region throughout New Zealand has its own unique mix and look. Many types of concrete have aggregate, or small stones, mixed in to help hold the mixture together as a solid surface. the detail identifies the type of mix, in this case exposed, its strength, aggregate size and type and the cement colour. Our wide selection of innovative concrete and exposed aggregate surfaces will provide the finishing touch to your new driveway. This means that you will probably want to consider what maximum size of aggregate is best for the effect you want to achieve. Exposed aggregate concrete is great for paths and driveways. Exposed aggregate finishes by definition, are when the aggregates (the stones and/or sands) near the surface of the substrate are revealed; these components would otherwise be concealed by a thin layer of cement paste and remain unseen. A.: No, there is not a standard mix; but you should design the mix or choose the mix with the desired end result in mind. This decision depends on the application of the concrete mix – whether they want a sturdy and durable structure or a smooth and binding concrete mix. Imagecrete Exposed is a stylish alternative that performs for a lifetime – without a lifetime of maintenance. Is there a standard mix to use for exposed aggregate flatwork if you do not want to seed the top of the concrete with a special aggregate? Repairing cracks in Exposed Aggregate Concrete. An Exposed Aggregate application follows a pouring and treatment process on the surface. PATTERN PAVE : Available using 10mm aggregate size, at 80mm slump. Popular Exposed Aggregate Mixes. Her publication credits include "WOW Women on Writing," "Six States" and Catalogs.com. Through colouring ensures that visual appeal can be maintained even in the event of surface damage. A sealer is applied to enhance and protect the finished product. Monolithic construction offering structural integrity with decorative effect and free from aspects of vehicle rutting . BGC Concrete's standard range of exposed and polished concrete mixes are photographed to provide an indication of the colours available. We offer brilliant customer service and expert advice that spans more than 60 years of industry experience. A cement, most commonly Portland cement, is the most prevalent kind of concrete binder. Read more about 21 Labasa; Purtell mix. Create your own mix of aggregate concrete in a wheelbarrow. Concrete mix design depends largely on the size of the aggregate used. Developed to promote abundant coarse aggregate dispersion whilst retaining an ease of placement. The purpose of exposed aggregate concrete retarder is to ensure the underlying concrete mix continues drying and hardening while the surface remains relatively wet and removable. Aggregates are generally thought of as inert filler within a concrete mix. It will satisfy durability & economy. Select from simple or designer finishes to create striking home features or a seamless blend with nature. Fine aggregates = 800.94 kg/m 3. CONCRETE MIX DESIGN. Cement = 383.2 kg/m 3. With your vision and our creativity, ideas become reality. When you add aggregate to concrete with the purpose of exposing it, choose stone colors that suit your landscape. eg. On the day you're having the concrete poured, have a strait board ready to level it. After placement of the concrete, the top few millimetres of concrete paste are removed from the surface in order to reveal the stone (called: aggregate) embedded within. Call 9584 2863 This durable non-slip decorative finish is ideal for trafficable areas, including driveways, pool surrounds and walkways. She graduated from New York University in 2003 with a Bachelor of Fine Arts in creative writing. W/c = 0.5. Available in strength grades 20, 25, 32, 40 & 50MPa, using 20mm and 10mm nominal aggregate, and at 80mm slump. For your family home, standard concrete is a durable and effective choice for shed floors, paths and driveways, however, if you’re looking for something to add style and colour to your outdoor entertaining areas, an exposed aggregate, or decorative concrete, can be used. Exposed Concrete “Exposed Aggregate” is a very easy and smart way to add value to your house. OFF-WHITE CEMENT: Specially manufactured Off-White Portland cement. When it comes to aggregate in a concrete mix, contractors can choose to use coarse stone or fine sand. Hunker may earn compensation through affiliate links in this story. These mixes are just a small sample of our extensive range. Accelerators/Retarders Precautions need to be taken when pouring in hot weather and to a lesser extent at cold temperatures. Exposed Aggregate has been a popular decorative concrete feature for many homes and spaces since the 1950’s. After the concrete is poured and has set for a number of hours, the top layer is washed off, exposing the aggregate, or gravel, in the mix. Before you can pour exposed aggregate concrete, you’ll need to build a wooden box to hold the concrete in place. Exposed Concrete Range. Expose the aggregate with a soft shop broom. - 10% Brown. a lifetime with exposed aggregate. Colorful gravel gives a unique look to pavement when mixed into concrete. If you remove too much, the aggregate will loosen and leave ruts behind. Exposed Aggregate (also known as Decorative Concrete) is one of Midway’s most popular finishes for concrete. For trial -1 of concrete in lab & to check its properties. Direct Mix decorative exposed concrete showcases the earthy tones and textures of the spectacular Southern Fleurieu and Yorke Peninsula regions. A concrete solution that evokes the alluring lustre of natural rocks and gravels. River gravels, Black basalt, White quartz. 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