Movement joints are effective in protecting ceramics and other hard floor coverings from the stresses that cuase cracking, tenting or popping of the surface. The advice in this guide will help prevent these problems from occurring.
Table of Contents
1 Foreword
2 Scope
3 Movement in Buildings
3.1 …General
3.2 …Types of Movement to be considered before Tiling
3.2.1 ……Drying Shrinkage
3.2.2 ……Differential Movement
3.2.3 ……Deflection Movement2
3.2.4 ……Thermal Movement
3.2.5 ……Moisture Movement
3.2.6 ……Structural Movement (by design)
4 Types of Movement Joints
4.1 …General
4.2 …Sealant Movement Joints
4.2.1 ……Types of joint
4.2.1.1 ………Structural joints
4.2.1.2 ………Non structural joints
4.2.1.3 ………Joint backing material
4.3 …Pre formed Movement Joints
5 Design Consideration
5.1 …General
5.2 …Location
5.2.1 ……Wall tiling
5.2.2 ……Floor tiling
5.3 …Modular installations
6 Installation of Movement Joints
6.1 …Sealant Movement Joints
6.1.1 ……Wall tiling
6.1.1.1 ………General
6.1.1.2 ………Tolerances across joints
6.1.2 ……Floor Tiles
6.1.2.1 ………General
6.1.2.2 ………Structural movement joints
6.1.2.3 ………Intermediate (non-structural) movement joints
6.1.2.4 ………Perimeter joints
6.1.2.5 ………Consideration of movement joints when setting out
6.1.3 ……Natural stone
6.1.3.1 ………General
6,1.3.2 ……Structural movement joints
6.1.3.3 ………Intermediate (non-structural) movement joints
6.1.3.4 ………Perimeter joints
6.2 …Pre formed Movement Joints
7 Tile Fixing
8 Frequently Asked Questions
9 Glossary of Terms
10 Sources of Reference and Bibliography
11 Members of the Working Group