Grout for Sealing Glass Blocks
A special powder mortar composed of hydraulic binders, fillers and synthetic resins. When mixed with water, it becomes easily workable and adheres perfectly to the support, as well as, between the glass block. After curing it becomes water proof and flexible grout. VETROMIX is also suitable for grouting tiles joints. VETROMIX does not contain asbestos fibers or other materials that can be harmful for the health of the applicator.
Packaging:
VETROMIX is supplied in 20 Kg bags.
Consumption:
10 to 12 Kg / m² for glass block of 150 x 150 x 80 mm and joint width of 20 mm.
Storage:
Keep the product in dry and covered place. In these conditions the product will have a shelf life of 9 months.
| PROPERTIES | RESULTS |
| Color | White |
| Appearance | Powder |
| Density | 1.9 kg/L |
| pH of mixture | 12.8 |
| Workable time at 25⁰C | 60 minutes |
| Compressive strength after 28 days | 20.0 N / mm² |
| Flexure strength after 28 days | 8.0 N / mm² |
| Temperature of application | +5⁰C to +35⁰C |
| Joints thickness | from 2 to 25 mm |
| Noxiousity ECM 88/379 | No |
All values are subject to 5-10 % tolerance |
|
Surface preparation
Horizontal supports must be leveled and vertical side should be perfectly in plumb in order to guarantee a perfect alignment of the glass blocks. The support must be solid, compact, and free from inconsistent parts, dust and grease substances.
Mixing
Pour into a container about 6 - 6.5 Liters of clean water then add a 25 Kg bag of VETROMIX. Mix till a homogeneous lump free consistency is obtained. Let the mixture rest for about 5 minutes, and remix it shortly before use.
Application
Apply VETROMIX with a trowel, then position the glass blocks in the opening. Use special moulder to verify the glass block alignment. Remove the excess of mortar before it hardens. For large openings it is strongly advisable to increase the mechanical strength and improve the structure stability of the glass block. It is recommended to fix, in every line of blocks or every other line, an iron rod of 6 mm dia. As soon as the structure is stable sufficiently, it is possible to begin the phase of grouting the blocks and then remove the moulders.
Apply VETROMIX into clean joints, free from dust and any form of hardened residues. Compress the product using a smooth rubber grout float. Let the product harden for about 10 minutes, after that clean the surface using a damp sponge. When the product is well hardened, clean the surface with a dry rag.
If the surface exceeds 15 - 16 m² area, a proposed expansion joints must be implemented. Concrete expansion joints should be sealed with elastic material as ELASTOSEAL PU.
Cleaning
Tools and equipment should be cleaned with water immediately after use.
Recommendations
VETROMIX can be harmful to skin as it contains cement powders which may releases alkalis when mixed with water.
During application, wear appropriate protective clothing, goggles, gloves and respiratory equipment if necessary.
In case of contact with skin, rinse with water and again wash thoroughly with soap and water. In case of contact with eyes, rinse with plenty of water and seek medical advice accordingly.
If ingested, obtain medical attention immediately. Do not induce vomiting.
The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.
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