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in Uncategorized

Animations

To clearly illustrate the way our movement joints facilitate movement, we have created animations: horizontal, vertical, shear and rotational movement. Take a look at the products on this page (click on the icons under ‘Animation’): Product animations

in Technical Introduction

Control Joints (part 2)

Finishes will often crack because no consideration has been given to the structure underlying the finishes zone. Putting control joints in their place The problem with following the simple dogma of randomly forming 6 metre or 3 metre bays to suit paving aesthetics is such that finishes will often crack because no consideration has been [...]
in Technical Introduction

Control Joints (Part 1)

Control joints are small gaps formed in floors and walls to allow localised movements that arise from drying shrinkage, thermal gain/loss and creep. What are control joints? Control joints are small gaps formed in floors and walls to allow localised movements that arise from drying shrinkage, thermal gain/loss and creep. Control joints in walls For [...]
in Technical Introduction

Waterproofing

It is essential to waterproof some joints, particularly those that are used in the external envelope of a structure where driven rain and pooling of water are likely. Expansion joints that are used externally and those that are likely to be subjected to ‘wet wash-down’ such as in manufacturing facilities should be waterproofed. Some ranges of joints […]

in Technical Introduction

Fire Barriers

It is vitally important that building designers consider placing fire barriers beneath expansion joints where that jointing system breaches fire compartment floors, walls and ceilings. Expansion Joints are physical breaks in the continuity of construction and, as such, pass through floor, walls and ceilings. In the event of fire these expansion gaps act as a chimney […]

in Technical Introduction

Accessibility

Specifiers often overlook the fact that expansion joints in floors can fail to meet the demands of current international Disability legislation. Accessibility and International Disability Legislation Three pieces of Disability legislation serve to present the worst case scenario for any designer specifying an expansion joint in a floor. These are respectively the Americans with Disabilities Act (ADA), […]

in Technical Introduction

Causes of Movement

Types of movement All buildings are subjected to forces which cause them to move. Since the materials of a building do not have sufficient strength to absorb these movements, the building is divided into smaller independent structures. This limits the stress on any one part of the building. It is this movement that expansion Joints […]

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