GENERAL SPECIFICATION FOR FIXING ‘FUSION TYPE’ GLASS MOSAICS ONTO INTERIOR RENDERED WALLS

 

Please note that ‘general’ specifications are issued for information purposes, and should not be used as project specifications.

As each and every project needs to be assessed individually on its own merits and characteristics please contact the TAL Technical Advice Centre for a project-specific detailed materials and methods specification for specific projects.

 

It is important that the tile selected is suitable for the application, preferably against a written Supplier’s specification.  Factors such as water absorption, irreversible moisture expansion, MOR and PEI ratings, chemical resistance and overall stability of the product need to meet the requirements of the service conditions. 

The backs of all tiles must be clean and free from all traces of dust and contaminants.

 

Please note that any “wet” areas, such as showers or balconies, should be waterproofed using TAL SUPERFLEX I or TAL SUREPROOF waterproofing compounds prior to commencing tiling.  Please feel free to contact us for a specification for waterproofing and tiling these areas, as well as for technical literature on any of our products.

 

TAL PRODUCT REQUIREMENTS

The TAL products required for this installation are as follows:

TAL KEYCOAT *

TAL MARBLEFIX

TAL BOND / TAL BOND POWDER

NOTCHED FLOOR TROWEL

TAL SEALMASTER CORD

TAL GOLDSTAR SEALMASTER 1000

 

SPECIAL NOTE MUST BE TAKEN OF THE FOLLOWING:

Glass Products:

 

Mosaics:

The bonding and grouting of mosaics should be done in one operation in order to provide a strong installation.  The mosaics should be FIRMLY bedded into the adhesive to ensure good contact between the adhesive and tile.

To facilitate ease of handling, mosaics are assembled as sheets, the individual tessera being glued either face-down onto paper or plastic (paper-faced mosaics), or bed side down onto a synthetic mesh backing, fabric, or onto small tabs.  Paper-faced mosaics are preferable since they allow full contact to be achieved with the adhesive bedding.

When sheets are assembled by means of a backing mesh, the mesh should be made of water-resistant synthetic fabric such as nylon, and not from cotton or paper.

In the case of a mosaic that has been assembled with a fabric backing or tabs, the following is critical for a successful installation:

Furthermore

Please refer to the manufacturer’s instructions regarding cleaning and maintenance of these mosaics after installation.

 

Tile Panel Movement Joints & Perimeter Joints:

It should be noted that the lack of movement joints in a tile panel, or poorly constructed joints,  is a major cause of tile failure.  Joints must be created at the required spacing and must be well raked out to remove all traces of adhesive residues, debris, contamination, etc, ie the joint must extend through the tile and tile adhesive layers. These joints must be filled with TAL GOLDSTAR SEALMASTER 1000 Polyurethane Joint Sealant (and suitable backing cord where applicable) in accordance with the manufacturer’s instructions.

(See later detail of correctly constructed tile panel movement joint and perimeter joint.)

 

 

 

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