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Concrete Slab Contractors

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Concrete slabs are a common structural element used in the construction of modern buildings. These slabs are usually made from cast concrete and reinforced with steel. Concrete slabs are often used to construct floors and ceilings with the involvement of professionals to provide stability and robustness. iSeekplant is Australia’s largest online construction hire marketplace offering the best concrete slab contractors nationwide. Our massive network of slab concreters, concrete footings, kerbs and channels, concreting contractors, driveway concreters and concreters ensures that searchers find the best companies in their area.

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Concrete slabs are a common structural element used in the construction of modern buildings. These slabs are usually made from cast concrete and reinforced with steel. Concrete slabs are often used to construct floors and ceilings with the involvement of professionals to provide stability and robustness. iSeekplant is Australia’s largest online construction hire marketplace offering the best concrete slab contractors nationwide. Our massive network of slab concreters, concrete footings, kerbs and channels, concreting contractors, driveway concreters and concreters ensures that searchers find the best companies in their area.

Concrete Slab FAQs

Here's some tips & frequently asked questions on how to find the right slab concreter for your job

1. What are the types of concrete slabs?

There are different types of slabs used by concrete slab companies on a project site. The type used depends on the scale of the project, as well as the structural strength needed. It is best to ask your concrete slab company for information about which type of concrete slab to choose for your project.

The different types of concrete slabs include:

  • One-Way Slabs on Beams: One-way slabs on beams involve assembling the formwork along with installing the reinforcements, which is then followed by the pouring of concrete. This slab type is ideal for spans of 3 to 6 metres and loads of 3 to 5 KN/square metre. Using one-way slabs for larger spans requires additional costs and higher slab deflection.
  • Ribbed Slabs: Ribbed slabs are also known as one-way joist slabs. This type of slab consists of a floor slab with over 50mm to 100mm thickness. Ribbed slabs are reinforced with concrete ribs that are tapered and uniformly spaced at 750mm. Girders that rest on columns are designed to support the ribs and keep it stable. This slab type is suitable for spans of 6 to 9 metres and loads of 6 KN/square metre.
  • Grid Slabs: Grid slabs, also known as waffle slabs, are reinforced with square grids containing deep sides. This type of concrete slab is appropriate for spans of 9 to 15 metres and loads of 4 to 7 KN/square metre.
  • Flat Plates: Flat plates are one of the easiest concrete slabs to construct. This type can be created as one-way or two-way slabs that are supported by columns. Flat plates require simple formworks, allowing contractors to produce more on larger-scale projects. These slabs are suitable for spans of 6 to 8 metres and loads of 3 to 5 KN/square metre.
  • Flat Slabs: Flat slabs are directly supported by columns without the use of beams. Similar to flat plates, this type of concrete slab requires minimal formwork. Flat slabs are ideal for spans of 6 to 9 metres and loads of 4 to 7 KN/square metre.
  • Two-Way Slabs on Beams: While two-way slabs on beams are like one-way slabs on beams, this type requires more formwork to support it on all sides. Two-way slabs are appropriate for spans of 6 to 9 metres and loads of 3 to 6 KN/square metre.
  • Hollow Core Slabs: Concrete slab companies offer hollow core slabs for projects where fast constructions are desired. Hollow core slabs have declined slab self-weight and enhanced structural efficiency. This can also act as service ducts. Hollow core slabs have no span restrictions with standard widths of 120mm and depths ranging from 110 to 400mm.
  • Hardly Slabs: Hardly slabs are built using hardy bricks. This type of concrete slab has a thickness of around 270mm, which is thicker than a conventional slab.
  • Bubble Deck Slabs: Concrete slab contractors construct bubble deck slabs by placing reinforcements between and over plastic bubbles before the concrete is poured. This type of slab reduces weight and provides additional strength.
  • Composite Slabs: Composite slabs are created from reinforced concrete casts placed on top of steel decking. The span of this concrete slab can reach up to 3 metres and increase to 4.5 metres, depending on the decking’s thickness.
  • Precast Slabs: Precast slabs are casted and cured in manufacturing plants. The most common precast slabs used in construction are the channel and double-T slabs. This type of concrete slab can be used for spans of 15 metres.
  • Slabs on Grade: Slabs on grade are commonly cast on the surface of the earth, hence this slab type is also known as ground slabs. Slabs on grade are classified into three types: slabs on ground, stiffened raft slabs, and waffly raft slabs.
 

2. How deep should a concrete slab be?

Generally, concrete slabs should be placed on an area with a depth of over 7 inches. This is to allow the placement of a gravel base with a thickness of over 3 to 4 inches for concrete.

 

3. What are concrete slabs used for?

Concrete slabs are an essential element in construction and used specifically for modern infrastructures. Concrete slab contractors use them to create flat horizontal surfaces such as roof decks, ceilings and floors.

 

4. Are concrete slabs expensive?

On average, prices for concrete slabs range from $50 to $85 per square metre. In some cases, concrete slab companies charge $60 per square metre for their services. However, the scale of the project, thickness of the slab and size of the area can all affect the price of concrete slabs.

 

5. Where are iSeekplant’s slab concreters located?

iSeekplant offers top-quality slab concreting services in all capital cities from Brisbane to Sydney, Canberra, Melbourne to Darwin, Perth and Adelaide. We also offer slab concreters in all major towns and cities from Cairns down to Townsville, Gold Coast, Toowoomba, Central Coast and Geelong.

 

6. How to find a concrete slab supplier through iSeekplant?

Looking for concrete slabs for your next project? The easiest way to find concrete slab contractors in your area is to use iSeekplant’s get a quote tool. Simply tell us where you need a supplier and we’ll get you the best quotes available! You can also call us on 1300 691 912 or email us at projects@iseekplant.com.au.

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