Page 9 - Tiling Guide Uniclass Index

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CLASSIFICATION OF
TILE ADHESIVES AND GROUTS
Adhesive Choice
12004, with substantiated data on the label. Low performance adhesives will have omissions to this data, especially for classification rating.
Grout Choice
Grout choice is based on tile type, location of tiling, service condition of the installation and colour preference.
The following are descriptions of the product classifications in accordance with the current European Standard EN 13888:
Adhesive choice is based on tile type, location of tiling and nature of the substrate. Tile adhesives are classified according to the European Standards EN 12004. Products are defined as follows:
EN12004 - Types of Adhesives
C
Cement-based adhesive
D
Dispersion (ready-mixed) adhesive
R
Reaction resin adhesive
S1
Deformable (flexible) adhesive
S2
Highly deformable (flexible) adhesive
Type
CG1
Normal cementitious grout
CG2
Cementitious grout with improved performance
RG
Reaction resin grout
Classes of Adhesives
1
Normal adhesive
2
Improved adhesive (usually with higher bond strength)
F
Fast-setting adhesive
T
Adhesive with reduced slip
E
Adhesive with extended open time
Additional Properties
A
Improved abrasion resistance
W
Improved water resistance
Before purchasing an adhesive product, a user should check the label on the container/packaging. Good quality products will carry a classification rating
(e.g. C1TE), a CE Mark and a reference to BS EN
For further advice, consult TTA’s Technical Publication ‘Adhesive and Grouts in Internal Tiling’.
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