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Beyem Vitreo

Beyem Vitreo

High performance cement based tile adhesive and grout (C2TE CG1) , for fixing porcelain tiles, glass mosaic and tiling swimming  pools.

About this product

BEYEM VÍTREO is a high performance cement based tile adhesive and grout (C2TE CG1), formulated with white cement, selected aggregates, special additives and synthetic resins  to improve workability, water retentivity, open time and adhesion. No vertical slip. Allows adjustment of tiles. Especially suitable for fixing porcelain tiles,  glass mosaic and tiling and grouting swimming  pools.

  • High  tensile adhesion strength. High durability.
  • High  resistance to water and thermal shocks.
  • High water retentivity.
  • High mechanical  strength.
  • Extra-fine. Allows fixing and bonding and grouting in a single operation. Easy workable. Highly thixotropic.
  • Extended  open time. Allows adjustement of tiles.
  • No vertical slip.
  • Excellent  abrasion resistance

Laying of ceramic tiles of low/medium/high absorption in interior walls and interior and  exterior floors. Laying of ceramic tiles  of medium/high absorption in exteriors walls. Suitable for laying marble and natural stone in  interior and exterior floors.  Specially suitable  for tiling and grouting in a single operation and tiling pools.


BEYEM VÍTREO is suitable for:

  • Cement  based substrates.
  • Cement based renders /plasters and screeds.
  • Concrete floors.
  • Plasterboards.
Preparation of substrates

Substrates must be clean, compact and  free of substances that reduce adhesion such as dust, oil, grease and with no loose material. Uneven areas must be corrected with suitable smoothing and finishing products. Substrates must be free from any rising damp and have already completed the curing period of hygrometric shrinkage. Dampen substrates with water  to cool down if they should be too warm, in case of wind or over absorbent substrates  and wait until the thin layer of water disappears. Do not  use on  gypsum  based plasters or paint.

Instructions for use

Mix manually of mechanically BEYEM VÍTREO with 9,5-10,5 l per bag of clean water until a homogeneous, creamy and lump-free paste  is obtained. Let the mix stand for 5 minutes before application. Small tiles must be fixed using  a notched trowel of 6x6 mm. For tiles sizes greater than 400 cm2,  a notched trowel  8x8 mm  must be used.  Spread the mixed product onto the substrate to a maximum surface area of 1 m2 or no more than can be tiled within 30 minutes in normal conditions. Unfavorable environmental conditions (strong sunlight, drying wind, high temperature as well as a highly absorbent substrate), could drastically reduce this time to a few minutes. Bed the tiles firmly into the adhesive with a slight sliding and/or twisting action, to ensure a good contact and complete coverage.

It is good practice to lift an occasional tile after fixing, to verify that the required contact is being achieved. Back of the tile must be completely wet. Where fixing and grouting is doing  one continuous and single operation, press the tiles onto the adhesive to leave a sufficient amount of adhesive to overflow through the joints. Before the adhesive hardens (about half an hour), surface of tiles should be cleaned with sponge, finishing the grouting.

Cautions and recommendations
  • On gypsum substrates, apply BEYEM FIJADOR primer before , to avoid contact between gypsum and the cement of the adhesive, avoiding adverse reactions.
  • Do not apply on plastic, metal or wood.
  • Do not apply below 5ºC or above 30ºC.
  • Do not apply when there is  risk of frost, rain, strong wind or direct sunlight.
  • Leave joints between tiles with a minimum width of 2 mm. Grout with  BEYEM VÍTREO or BEYEM JUNTA UNIVERSAL / BEYEM JUNTA EXTRAFINA.
  • In exterior situations,  grout s must be protected of the rain until complete drying.
  • On floors  with a surface area greater than 30 m2 , it is recommended to leave separation or sealing joints filled with a deformable material.
  • On interior floorings larger than 15 m2, it is advisable to keep a free perimeter expansion joint between the floor and the wall or pillar, hidden by a skirting board (of approximately 5 mm).
  • The temperature, ventilation, and absorption of the substrate and covering materials , may vary the adhesive workability and setting times.
Technical data

Product identity. Properties of mixture and application data





Bulk density

≈ 1150 Kg/m3

Density of the mix

≈ 1500 Kg/m3


0-500 µm

Mixing water,%

± 40 %

Pot life

≈ 2 h

Adjustability  time

≥ 30 min


≈ Immediately


≈ 3,5 Kg/m2 (single spread technique)

≈ 5,5 Kg/m2 (double spread technique)

Tariff code


Final performances




Initial tensile adhesion strength

≥ 1,0 N/mm2

Tensile adhesion strength after water immersion

≥ 1,0 N/mm

Tensile adhesion strength after heat ageing

≥ 1,0 N/mm

Tensile adhesion strength after freeze/thaw cycles

≥ 1,0 N/mm

Open time

30 min


< 0,5 mm

Abrasion resistance

<  2000 mm3

Flexural strength after dry storage

>  2,5 N/mm2

Flexural strength after freeze-thaw cycles

>  2,5 N/mm2

Compressive strength after dry storage

>  15,0 N/mm2

Compressive strength after freeze-thaw cycles

>  15,0 N/mm2


< 3 mm/m

Water absorption after 30 min

< 5 g

Water absorption after 240 mm

< 10 g


BEYEM VÍTREO is packed 25 kg plastic lined paper bags.

Storage:  when stored unopened in a cool dry place, shelf life is 12 months from date of manufacture.

Cleaning tools

Tools can be cleaned easily with water  before the product hardens. Hardened product can be remove only mechanically.

Project specification

Laying and grouting of ceramic tiles, glass mosaic, marble or natural stone, must be carried out with cement based adhesive compliant with EN 12004 - class C2TES1 and EN 13888-class CG1, such as Beyem Vítreo manufactured by Rodacal Beyem company. The substrate must be compact, free from any flaky, loose parts and must be clean and cured, having already completed the shrinkage stage. Existing joints must be respected and elastic fractionizing and perimeter joints must be created. Ceramic tiles must be laid with joint-gap spacers with a width of ___ mm.

Health and Safety

For further and complete information about the safe use of our product please refer to our latest version of the Safety Data Sheet, which is available upon request.

Disposal of the product and packaging must be in accordance with current legislation. This is  responsibility of the final product user.


Technical Data Sheet

Safety Data Sheet

Declaration of Performance

Certificate of Factoy Production Control

Certificate of Quality Management System ISO 9001

Certificate of R+D+i Management System

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