Why A Building Needs Expansion Joints


The Guggenheim Museum in New York, designed by Frank Lloyd Wright was constructed using plywood moulds, metal reinforcements and spraying gunite – a type of liquid concrete – through the reinforcing steelwork onto the plywood moulds, giving you really nice clean lines all the way around. But no expansion joints were  created, so years of […]

Need waterproof expansion joint covers? Try the PDA/PDS Series from C/S


Stopping water ingress at the expansion joint is crucial, especially in situations like football stadiums where there are often conference suites and corporate entertaining rooms immediately below areas exposed to the elements. At C/S we have one of the widest selections of Expansion Joint Covers in the market, and literally have a joint cover to fit every […]

What is an Expansion Joint Cover?

Movement Directions2

Answering some of the common questions we get asked regarding expansion joint covers, starting with the basics we will explain exactly what an expansion joint cover is, running through what it does and how it does it. So lets get started… First things first, shattering a few misconceptions: 1. “Movement Joints and Expansion Joints are different” […]

4 Important Items to Consider When Selecting an Expansion Joint Cover


There are several key criteria you must consider when selecting an Expansion Joint Cover, but the following have the greatest impact on the selection process and are ranked accordingly: Structural joint opening. This is nearly always established by the structural engineer and determines the size of cover needed. Anticipated movement. Again, determined by the structural […]

5 Parking Garage Expansion Joint Covers


C/S offers a range of expansion joint covers which have been designed to meet the demanding movement conditions found in parking structures. From simple compression seals to highly engineered metal covers, there is a solution to suit any indoor or outdoor parking situation. Parking Seals Traditional winged seals with elastomeric concrete fail regularly. In typical […]

Expansion Joints in Concrete Slabs


When engineers are designing the structure for a tall or large footprint building there is frequently a need to accommodate some potential building movement. This movement may be due to thermal expansion and contraction, differential settlement, sway and/or seismic activity. Any movement will mean that the concrete floor slabs will be cast or laid with […]

Building for the Future at the New Royal Adelaide Hospital


Scheduled for completion in 2016, the new Royal Adelaide Hospital (RAH) will include world-class facilities designed to meet the needs of South Australians today and for generations to come. At C/S, we’re thrilled that several of our trusted products are being used in the new building. Combined, more than 25000 metres of C/S materials are […]

An Introduction To AS/NZS 4740-2000 Louvre Standard

Tangential Separation

AS/NZS 4740-2000 sets out the guidelines for the testing and classification of all weather or performance louvres. During testing, the resistance to airflow is assessed and the louvres are subjected to 75mm/hr of water, blown against a 1m x 1m louvre at a velocity of 13m/s. The louvre is then given a 3 part classification: […]

5 Questions to Ask Before You Buy a Performance Louvre System


Selecting a performance louvre is often a compromise between airflow efficiency and rain defence. It is therefore important to know the answers to a few key questions before you start your selection, so that you can be sure to choose the right system. Specifying the wrong louvre system could cause problems internally, to plant and […]