Archives: Services

In-situ Concrete Walls

In-situ concrete retaining walls are an excellent choice for projects requiring customised solutions. These walls are ideal for complex terrains, large-scale commercial projects, and areas where a seamless, integrated retaining solution is needed. They are often used in highway construction, large commercial developments, and areas requiring strong structural support. What are In-situ Concrete Retaining Walls? In-situ concrete walls are constructed on-site by pouring concrete into a pre-built formwork. This method allows for a high degree of customization, enabling the creation of walls that perfectly fit the specific contours and requirements of a site. The result is a strong, continuous wall that effectively resists soil pressure and environmental elements. Benefits of In-situ Concrete Retaining Walls The key benefit of in-situ concrete walls is their bespoke nature. They can be designed to any shape and size, providing a flexible solution for challenging terrains. Their strength and durability are unparalleled, making them suitable for high-load-bearing applications. Additionally, their seamless appearance makes them an attractive option for many settings. Why Choose Us? Outwest Retaining Wall brings unparalleled expertise to the construction of in-situ concrete retaining walls. Our experience in dealing with varied and challenging construction environments in Melbourne allows us to offer bespoke solutions that are both functional and visually appealing. We take pride in our ability to craft walls that are not just retaining structures but integral parts of the landscape design. Why choose us for your Retaining Wall Project? Choosing Outwest Retaining Walls means investing in expertise, knowledge, outstanding workmanship and quality along with high talented machine operators. We have many years of experience onsite installing retaining walls, doing bespoke landscaping jobs, completing bulk excavation works and delivery on outstanding hardscaped areas. As a family-owned Australian business, we prioritise pride ourselves on quality and reliability. Based in Bacchus Marsh we service Melbourne, Geelong, Ballarat, Bendigo and all areas in-between. If you want your project completed with minimal fuss, maximum efficiency at the same time as ensuring a high standard then we are here for you. Contact us for a free consultation and quote today! Click here or give us a call at 0401 671 335. Need a Concrete Driveway? Call Mark on 0401-671-335 Contact Us
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Gabion Retaining Walls

Gabion walls are an ideal alternative to timber or concrete retaining walls and rock boulders. Often referred to as rock cages their permeable construction means that they are not susceptible to corrosion damage like timber. All parts are hot dip galvanised making gabion cages a versatile option for industrial, domestic and commercial applications. Gabion baskets are durable and eco-friendly, making them increasingly popular for both residential and commercial projects. Gabion retaining walls offer a unique blend of functionality and aesthetics, ideal for various applications ranging from erosion control in harsh environments to enhancing the beauty of public spaces. Their adaptability makes them suitable for commercial landscaping, coastal protection, and even as artistic elements in urban design, offering a practical yet visually appealing solution to soil retention challenges. What are Gabion Retaining Walls? Gabion retaining walls are an assembly of sturdy wire cages filled with rocks, stones, or similar durable materials. These walls are celebrated for harmonizing with natural surroundings, offering an environmentally friendly alternative to traditional retaining structures. Their design ensures stability and endurance, making them an excellent choice for long-term soil retention. Benefits of Gabion Retaining Walls Gabion walls are renowned for their durability and ecological benefits. Their permeable nature allows for effective water drainage, reducing hydrostatic pressure and enhancing soil stability. These walls are cost-effective, requiring minimal maintenance, and can be easily integrated into diverse landscapes, adding an aesthetic appeal with their natural appearance. Why Choose Us? At Outwest Retaining Wall, we specialize in designing and constructing gabion retaining walls that are as functional as they are beautiful. With over two decades in the industry, we understand the nuances of integrating these structures into various landscapes. Our expertise lies in customising gabion walls to meet your specific functional and aesthetic requirements, ensuring a balance between natural beauty and structural integrity. Why choose us for your Retaining Wall Project? Choosing Outwest Retaining Walls means investing in expertise, knowledge, outstanding workmanship and quality along with high talented machine operators. We have many years of experience onsite installing retaining walls, doing bespoke landscaping jobs, completing bulk excavation works and delivery on outstanding hardscaped areas. As a family-owned Australian business, we prioritise pride ourselves on quality and reliability. Based in Bacchus Marsh we service Melbourne, Geelong, Ballarat, Bendigo and all areas in-between. If you want your project completed with minimal fuss, maximum efficiency at the same time as ensuring a high standard then we are here for you. Contact us for a free consultation and quote today! Click here or give us a call at 0401 671 335. Why choose us for your Retaining Wall Project? Choosing Outwest Retaining Walls means investing in expertise, knowledge, outstanding workmanship and quality along with high talented machine operators. We have many years of experience onsite installing retaining walls, doing bespoke landscaping jobs, completing bulk excavation works and delivery on outstanding hardscaped areas. Need a Concrete Driveway? Call Mark on 0401-671-335 Contact Us
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Rock retaining wall built on sloped site in Geelong for erosion control and landscaping

Rock Retaining Walls

Rock Retaining Walls Built to Last – Across Melbourne & Western Victoria At Outwest Retaining Walls, we design and construct strong, natural-looking rock retaining walls that are built to handle Australian conditions. Whether you’re landscaping in Melbourne, reshaping land in Ballarat, or preventing erosion in Geelong or Bacchus Marsh, our experienced team delivers long-lasting, visually striking solutions. Explore our full range of rock wall types below to find the perfect fit for your residential, commercial, or civil project. Types of Rock Retaining Walls We Build Use these internal links to learn more about each type of rock wall we offer: 🔗 Sandstone Rock Walls Warm and earthy tones that work beautifully in both rural and urban environments. 🔗 Basalt Rock Walls Durable and bold, basalt stone offers a modern, clean aesthetic with exceptional strength. 🔗 Feature Rock Walls Custom-built feature rock walls that become the focal point of your landscape or garden design. Servicing Melbourne, Ballarat, Bacchus Marsh, Geelong & Beyond We proudly build retaining walls across Western Victoria, including: Retaining Walls Melbourne (Western Suburbs) Retaining Walls Ballarat Retaining Walls Bacchus Marsh Retaining Walls Geelong Retaining Walls Melton, Werribee, Daylesford, Lara & Surrounds Need a rock retaining wall in your area? Contact us now for a free quote or site inspection. Request a Free Quote Why Choose Outwest for Your Rock Retaining Wall? At Outwest Retaining Walls, we bring decades of experience to every rock wall project, delivering natural strength and stunning results across Melbourne, Ballarat, Geelong, Bacchus Marsh, and Western Victoria. Whether you’re building a feature wall or need structural support on sloping land, our team combines expert workmanship with locally sourced stone to deliver long-lasting results you can trust. ✅ What Sets Us Apart: Locally owned and operated — we know Western Victoria’s soil and site conditions Decades of hands-on experience with rock retaining walls and structural landscaping Skilled in both natural stone and engineered wall designs Fully insured and built to Australian Standards Walls designed for strength, proper drainage, and long-term stability Why Choose Outwest for Your Rock Retaining Wall? ✅ Locally owned and operated ✅ Decades of hands-on experience ✅ Work with natural stone & engineered designs ✅ Fully insured and compliant with Australian standards ✅ Built for strength, drainage, and long-term performance
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Timber sleeper retaining wall built on sloped site in Geelong for erosion control and landscaping

Timber Sleeper Retaining Walls

Timber sleeper retaining walls are a perfect choice for creating a natural, rustic look in both urban and rural settings. Ideal for garden terraces, landscape borders, and erosion control, these walls blend seamlessly with natural surroundings and are a popular choice for parks, private gardens, and natural-themed commercial landscapes. What is a Timber Retaining Walls? Timber sleeper retaining walls are constructed using wooden beams or sleepers, arranged horizontally or vertically to retain soil. These walls are favoured for their natural appearance and ability to create a warm, inviting ambiance. The choice of timber and its treatment is key to ensuring the longevity and durability of the wall. Benefits of Timber Retaining Walls The aesthetic appeal of timber walls is one of their biggest advantages, offering a traditional and natural feel. They are also relatively easy to install and can be more cost-effective than other types of retaining walls. When treated properly, timber walls can resist decay and pests, making them a durable choice for many landscapes. Why Choose Us? At Outwest Retaining Wall, we specialize in crafting timber sleeper retaining walls that are not only visually appealing but also structurally sound. Our expertise in selecting the right kind of timber which is treated to withstand Australian weather conditions sets us apart. We focus on delivering walls that are both beautiful and built to last, reflecting our commitment to quality and sustainability. What is a Cantilevered Post wall? In simple terms, a cantilever post type of retaining wall is like a structural fence that holds back earth. The design principle is a cantilever post, the post is normally a steel column as specified by an engineer for permitted walls and is encased in concrete or driven into the ground. The type of soil will ultimately determine the diameter and depth of hole required for the posts. A general rule of thumb is the post goes into the ground 1.2 times the distance that the wall is above the ground. For example, consider a wall height from the ground up of 1m, the hole should be drilled to a depth of 1.2m. When concreted into the ground the post should have 100mm clearance from the bottom of the steel to the base of the hole meaning the amount of steel in the ground will be 1.1m, the amount out of the ground will be 1m, therefore the total steel length required is 2.1m. What is the lifespan of the steel posts? The steel post sections are generally hot dipped galvanised to prevent corrosion. The lifespan of hot dipped galvanised post is typically between 40-60 years. When designing the walls we have found that some people like to have their steel poles a different colour to compliment the surrounding areas. In this instance we recommend that the posts are painted using a resin-based paint system. This approach will ensure suitable protection of the steel from corrosion which will result in not only an aesthetically pleasing look but a longer lifespan. When designing the walls we have found that some people like to have their steel poles a different colour to compliment the surrounding areas. In this instance we recommend that the posts are painted using a resin-based paint system. This approach will ensure suitable protection of the steel from corrosion which will result in not only an aesthetically pleasing look but a longer lifespan. What are Timber Sleepers? Timber sleeper panels are structural panels that fill the space between the steel posts. These panels need to be structurally sound as they must take the load and resist bending due to the ground loadings coming from the rear of the wall. The timber sleepers are treated to CAA, H4 level making them suitable for retaining wall application. The benefits of timber sleepers are their natural rustic look and if they have been treated to the correct standard, they are resistant to the elements and breakdown from pests such as termites. When comparing to the concrete sleepers they are a cheaper alternative but do not last as long. Do I need the retaining wall Designed and Engineered? For any wall running along the boundary or over 1m Victorian Builders Authority law dictates that the retaining wall must be permitted and engineered. We engage structural engineers and surveyors to ensure that all our work is compliant. The following illustrates the sizing and specifications of a typical wall design. 200mm x 75mm timber sleepers can be a direct replacement for the 200mm x 75mm concrete sleepers. Why choose us for your Retaining Wall Project? Outwest Retaining Wall’s expertise in constructing concrete sleeper retaining walls is unmatched in Melbourne. We have over 40 years of construction experience and over 20 years building retaining walls to offer designs that are not only structurally sound but also aesthetically pleasing. We ensure that every wall we build is tailored to your specific needs, guaranteeing longevity and satisfaction. Need a Concrete Driveway? Call Mark on 0401-671-335 Contact Us
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Concrete Sleeper Retaining Walls

This is the one of the most common types of retaining wall that you see on many residential properties. These types of walls are cost effective and can be constructed in a relatively tight space. Concrete sleeper retaining walls are a modern and robust solution for managing soil erosion, stabilizing slopes, and enhancing landscapes. Widely used in both commercial and residential settings, these walls are perfect for supporting terraced gardens, creating boundary walls, and providing sturdy foundations for infrastructural developments. What is a Concrete Sleeper Retaining Wall? Concrete sleeper walls are composed of reinforced concrete panels that resemble traditional wooden sleepers. Their strength and durability make them a popular choice for long-lasting soil retention. These walls can be designed to complement various architectural styles, offering both practicality and aesthetic appeal. Benefits of Concrete Sleeper Retaining Walls The primary advantage of concrete sleeper walls lies in their exceptional durability and minimal maintenance requirements. They are resistant to rot, pests, and fire, making them a safe and reliable choice. Additionally, their versatility in design allows for customization to suit any landscape, making them a preferred choice for contemporary urban developments. Why Choose Us? Outwest Retaining Wall’s expertise in constructing concrete sleeper retaining walls is unmatched in Melbourne. We have over 40 years of construction experience and over 20 years building retaining walls to offer designs that are not only structurally sound but also aesthetically pleasing. We ensure that every wall we build is tailored to your specific needs, guaranteeing longevity and satisfaction. What is a Cantilevered Post wall? In simple terms, a cantilever post type of retaining wall is like a structural fence that holds back earth. The design principle is a cantilever post, the post is normally a steel column as specified by an engineer for permitted walls and is encased in concrete or driven into the ground. The type of soil will ultimately determine the diameter and depth of hole required for the posts. A general rule of thumb is the post goes into the ground 1.2 times the distance that the wall is above the ground. For example, consider a wall height from the ground up of 1m, the hole should be drilled to a depth of 1.2m. When concreted into the ground the post should have 100mm clearance from the bottom of the steel to the base of the hole meaning the amount of steel in the ground will be 1.1m, the amount out of the ground will be 1m, therefore the total steel length required is 2.1m. What is the lifespan of the steel posts? The steel post sections are generally hot dipped galvanised to prevent corrosion. Galvanising offers a modern-style wall boasting a lifespan of 40-60 years. When the post is being encased in concrete no protection is required. If a different colour is required to better match the design and surrounding areas, we recommend that the posts are painted using a resin-based paint system. This approach will ensure suitable protection of the steel from corrosion which will result in not only an aesthetically pleasing look but a longer lifespan. The steel post sections are generally hot dipped galvanised to prevent corrosion. Galvanising offers a modern-style wall boasting a lifespan of 40-60 years. When the post is being encased in concrete no protection is required. If a different colour is required to better match the design and surrounding areas, we recommend that the posts are painted using a resin-based paint system. This approach will ensure suitable protection of the steel from corrosion which will result in not only an aesthetically pleasing look but a longer lifespan. What are Concrete Sleepers? The steel post sections are generally hot dipped galvanised to prevent corrosion. Galvanising offers a modern-style wall boasting a lifespan of 40-60 years. When the post is being encased in concrete no protection is required. If a different colour is required to better match the design and surrounding areas, we recommend that the posts are painted using a resin-based paint system. This approach will ensure suitable protection of the steel from corrosion which will result in not only an aesthetically pleasing look but a longer lifespan. Do I need the retaining wall Designed and Engineered? For any wall running along the boundary or over 1m it’s you are required by the Victorian Building Authority to have a permit and engineering completed. We engage structural engineers and surveyors to ensure that all our work is compliant and have a trusted partner who manufacturers our concrete sleepers to a high standard. Outwest Sleepers is our supplier, they have detailed engineering certifying all their sleepers ensuring that they are structurally sound and suited to your design. The following illustrates the sizing and specifications of a typical wall design. Why choose us for your Retaining Wall Project? Outwest Retaining Wall’s expertise in constructing concrete sleeper retaining walls is unmatched in Melbourne. We have over 40 years of construction experience and over 20 years building retaining walls to offer designs that are not only structurally sound but also aesthetically pleasing. We ensure that every wall we build is tailored to your specific needs, guaranteeing longevity and satisfaction. Need a Concrete Driveway? Call Mark on 0401-671-335 Contact Us
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Construction

What is a Retaining Wall & How are they Constructed? A retaining wall is a structure built to support and hold back soil or rock from an area or structure. In addition to the primary function, retaining walls can create usable outdoor space, stabilize slopes, prevent erosion, create contrast to the landscaped areas. Smaller retaining walls are used to create garden beds, support concrete slabs around the house or shed or simply to for edging around the garden. Cantilever retaining walls are perhaps the most common type of retaining wall, they are a freestanding structure without lateral support. They are supported by a footing and rise above the grade on one side to retain a higher-level grade on the other side. These walls are designed to withstand lateral pressure generated from ground behind the wall. Retaining Wall Process When it comes to retaining wall work around the home, sometimes it can be difficult to know when you can do it yourself and when you need to call in a professional concrete retaining wall installer. A retaining wall’s footing, steel selection, sleeper width, elevation and whether it requires a geogrid or other reinforcement will determine the type of retaining wall construction best suited for your project. A structural engineer is engaged to determine the correct hole depths, steel thickness/length and sleeper thickness/length. Consider your retaining wall engineering drawings as the build plan they outline all the attributes of the wall design from maximum height, sleeper span, steel size and grade to foundation depth and diameter. Small retaining walls and concrete sleeper garden edging that do not exceed 1m or more in height do not require a permit or engineering. Construction of Retaining Wall Constructing a wall on or near site boundaries where there are additional precautions that need to be taken, and/or building to exceed 1m or more in height will require careful planning and almost certainly a permit which will involve a surveyor coming on site to inspect your foundations and the wall during and at the completion of the build phase. Construction is completed in a sequence usually outline on the engineering, it can differ depending on the site elevation and wall proximity to the boundary lines. Benching the area to make space for the retaining wall is the first step on completing this step it is sometimes necessary to implement some protection works to ensure the ground is stable throughout the process and that the boundary fence can’t fall over. The site is stabilised by shoring of the ground behind the wall either by batter or it is prepared for a hit and miss sequence to be used.  Foundations are drilled to the correct diameter and depth, cleaned and inspected. Retaining wall steel is inserted into the holes by hand or excavator and held suspended in the desired position 100mm -150mm from the bottom of the hole prior to concrete being poured into the hole. Give the foundations 2-3 days to dry and the wall can be assembled and backfilled.
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