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Glass Floors Installation Guide

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GENERALTY

For its nature glass can present variations of shades, satin finish (where there is a satin finish) or size, especially for those products realized in different and remote moments: because they are typical characteristics of a handcrafted product, they cannot cause contestations.

ADHESIVES AND ADHESIVES FOR JOINTS

The ideal adhesive for all glass products is the non acetic silicone (for mirrors). However KERAPOX MAPEI is suitable for this task.

Let dry the ground till the achievement of a dampness inferior to 2% (more or less one week for every centimetre of thickness). The same is valid for the laying on block. Any differences in level will be filled with suitable self-leveling products.

Clean the cements-supports from dust, oils, friable cement-wastes paints and greases. It is important that the adhesive is set in thin and uniform layers in order to avoid, during the drying phase, the formation of tensions that could crack the glass: for this reason it is important to make the joints only after the complete drying of the adhesive.

After the laying it is important to remove all the traces of adhesive from the glass, in particular for those products that have a satin finish. It is recommended to put the material close: it is advisable to make always joints even very small of at least 2mm between the tiles, using the suitable small crosses and providing to effect the proper external and not external expansion joints.

For a better aesthetic effect it is recommended to make joints of the same colour using normal building products as Mapei ULTRACOLOR

P.N. These are general technical characteristics: however every operator will take care of the practice in each building site of the best method of application.

GLASS-CUTTING

The manual glass-cutting for monolithic products can be effected with a normal glass-cutter, by carving the glass and then exerting a pressure on the sides to the cutting that must be effected. Picture 1-2
In particular in case of products of 6 mm of thickness it is recommended to effect the cutting at least at 2.5 cm from the border, for a product of 8 mm at least at 3 cm, for a product of 10 mm at least at 3.5 cm, for a product of 12 mm at least at 4 cm and to effect the opening with the help of suitable glass pliers. Picture 3

For those products that result from the combination of two glasses it is necessary to make the same operation described before on the front and back side if the glass. To make accurate cuttings it is possible to use, in alternative, water-cooled machine tools mounting diamond disks for glass and, specifically, the disk saw for glass by MAKITA. Picture 4 The cut part, resulting sharp, needs an advisable chamfering obtained by sanding with a fine grams sandpaper. Picture 5

HOLES ON GLASS THAT MUST BE PLACED

To make holes it is advisable to use drills with speed variator, possibly drills press, provided with suitable glass points exerting a light pressure with a low number of revolutions and avoiding percussion. Picture 6

It is essential to spray the area of perforation with abundant water, which must never be close to the borders: otherwise there could be tensions that could crack the glass even after the laying.

To not observe these warnings can cause the breaking of the glass and dangers for the layer. Optimal results can be obtained by proceeding very slowly, having the point perpendicularly to the piece being careful to start from the back side and up to half thickness and continuing in the same way on the exposed side. Such proceeding will avoid chips on the exposed side of the tile.

To make holes of large size you must proceed by effecting a series of contiguous holes on the pattern of the hole that must be executed. Picture 7

The cut part, resulting sharp, needs an advisable chamfering obtained by sanding with a fine grams sandpaper. It is possible and advisable to ask for material that has already been perforated or shaped in course of production that will be calculated as a special piece on specific demand of the client.

HOLES ON MATERIAL THAT HAS ALREADY BEEN PLACED

The holes on the tiles that have already been set are made by glass lance-shaped points, for holes of a diameter between 3 and 12 mm.

It is essential to spray the areas of perforation with abundant water and to use drills with speed variator, switching as more slowly as bigger is the hole to make, avoiding percussion and the areas close to the border. It is advisable to carry out the work as above, being careful to start the cutting of the glass having the point inclined and straightening it progressively up to complete the engraving of the glass with the point perfectly perpendicular to the tile. Picture 8-9

CUTS WITH INTERNAL ANGLES

L-cuts can be executed making a little hole at the vertex of the cross of the lines and then
carving the glass starting from the border of the hole.

Effect the opening with the help of suitable glass pliers. Picture 10-11-12.

For internal cuts the holes needed at the crossing of the sides are 4: even in this case in
alternative to the cuts it is possible to make a consecutive series of holes.

It is possible and advisable to ask for material that has already been perforated or shaped in
course of production that will be calculated as a special piece on specific demand of the
client.

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