Concrete Paving – Key Joints

keyjoint 1

I have previously talked about the importance of Well Designed Concrete Paving so here is a product that will help you achieve that.

It’s called the Connelly Key Joint

A galvanised steel strip forms a keyway in the vertical face of the joint which means that reinforcement isn’t needed across the joint in footpath [read more…]

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Polished Concrete

polished concrete

So you like the idea of Polished Concrete. . . . but with costs ranging from $55/m2 to $120/m2 there are quite a few things to think about.

Slab Design and Construction

Quality of finish starts with the design and specification of the slab. That includes:

Correct Reinforcement in the right place. Properly designed expansion [read more…]

Concrete – Adding Extra Water

A ‘Dirty Secret’ of the Construction Industry is; adding of extra water to concrete mixes.

The ready mix concrete suppliers carefully design mixes with appropriate water cement ratios, which are loaded onto the delivery truck by computer controlled batching systems. . . . . . . All this effort on getting the mix right goes [read more…]

Liquid Limestone

liquid limestone

You might have heard of Liquid Limestone as an alternative paving material…….But what is it?

Really its just a different type of concrete.

The differences between Concrete and Liquid limestone are:

Instead of standard Portland ‘Grey’ Cement it uses White Cement. It uses crushed limestone rather than other types of rock gravel and sand. [read more…]

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Concrete Pavement Thickness

Concrete Thickness

The concrete pavement comprises the actual slab and its foundation known as the ‘Subgrade’


A lot of concreters will say a concrete slabs don’t need any foundations……That’s Bulldust!

The area around your new home is likely to have had service trenches dug across it and be churned up by construction activity which is [read more…]

Concrete – Pavement Joints 2

Expansion Joint

Contraction Joints have been previously described in Pavement Joints 1

The second most common form of Joint is the Expansion, or Isolation Joint.

Although concrete does shrink as it cures, in hot weather it will expand.

Unless an allowance is made for the expansion the concrete paving can push foundations. In long runs of concrete [read more…]

Concrete – Pavement Joints 1

Contraction Joint

I have previously talked about Concrete Cracking …….but how do you stop random cracking across your driveway concrete?

Well the best way is to control cracking by making sure it cracks where you want it to and the cracks are neat.

To do this you need ‘joints’ which ensure the cracks in the right place.

[read more…]

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Some people confuse concrete with cement, but cement is just the ‘glue’ which holds the other constituents of concrete together.

There are a range of different cements but these are the three you will most commonly come across:

General Purpose Cement

This is consistent, versatile and cost effective which makes it a good choice [read more…]