

VX-1
PRODUCT DESCRIPTION
VX-1 is a high-performance, polymer-modified, grey cement-based adhesive specifically designed for fixing low-porosity tiles (vitrified, semi-vitrified) and natural stones on interior and exterior floors, walls-interiors, and even swimming pools. It offers exceptional bond strength, water resistance, and ease of use. The adhesive is water-resistant and is suitable for use in showers, wet areas and swimming pools. Also, ideal for renovation (tile-over-tile) for quick & easy installation works. Its exceptional bond strength, flexibility, water resistance, and versatility make it the ideal choice for a wide range of applications. Confirms to IS 15477: 2019 Type 2T "Adhesives for use with Ceramic, Mosaic and Stone Tiles Note: Not recommended for direct use onto gypsum plaster (wall finishes), paint or metal. Not suitable for external wall installations, Not suitable for tiles and stones with mesh backing
KEY PERFORMANCE FEATURES
Product Variants
Method of Application
A comprehensive, sequential procedural view designed for engineers and site applicators to attain faultless surface integration using VX-1 adhesive compounds.
Installation Instructions

Surface Preparation
- Ensure a clean, sound substrate between 40°F (4°C) and 104°F (40°C), free from dirt, oil, grease, paint, laitance, and sealers.
- Level uneven surfaces with a screed or plaster.
- Dampen dusty or dry concrete before installation. New concrete must be cured for at least 28 days.
- Incorporate expansion joints matching substrate joints.
- Use Gresbond PUA-100 for wood substrates.
Surface Preparation
- Ensure a clean, sound substrate between 40°F (4°C) and 104°F (40°C), free from dirt, oil, grease, paint, laitance, and sealers.
- Level uneven surfaces with a screed or plaster.
- Dampen dusty or dry concrete before installation. New concrete must be cured for at least 28 days.
- Incorporate expansion joints matching substrate joints.
- Use Gresbond PUA-100 for wood substrates.
Mixing
- Pour clean water into a mixing bowl.
- Gradually add VX-1 powder (5 - 5.5 liters per 20 kg).
- Mix until smooth and trowelable consistency. Let it slake for 5 minutes.
- Remix before applying with the appropriate trowel size.
- For large format tiles or exterior applications, consult Gresbond technical services.
Application
- Apply adhesive with the flat side of the trowel, ensuring good contact.
- Use the appropriate notched trowel to ensure full tile bedding.
- Comb additional adhesive with the notched trowel to cover the backside of the tile. Spread only enough for 10 minutes of working time.
- Back-butter large format tiles for better support.
- Firmly press tiles into the wet adhesive and adjust level.
- Check for complete adhesive coverage on the back of the tile periodically.
- Use spacers for grout joints as per recommendations. Remove spacers after the adhesive sets.
- If the adhesive skins over, remove and replace with fresh mix.
- For some natural stones, apply suitable sealers on all sides.
- Clean excess adhesive from tiles and joints while fresh.
Precautions & Note
- Always add powder to water. Do not add excess water.
- Do not add sand or cement on-site.
- Not recommended for wet screeds or uneven surfaces exceeding 12mm.
- Protect from rain and foot traffic for 24 hours.
- Leave gaps between tiles and fill with Gresbond tile grout.
- For installations exceeding 3 meters in height, consult a professional about additional mechanical fasteners.
- Not suitable for gypsum plaster, fiber cement boards, plywood, metal, plastics, or deformable surfaces. Use Gresbond PUA-100 for such applications.
- This adhesive is not a replacement for waterproofing coatings in wet areas. Use a suitable waterproofing membrane before tiling.
- Not recommended for artificial/engineered stone, composites, or metal tiles. Use Gresbond PUA-100 for these materials.
Limitation
- Trowel Selection: The size of the notched trowel will depend on the size and type of tile you're installing. For larger tiles or uneven substrates, a bigger notch size is recommended to ensure full coverage.
- Weather Conditions: While VX-1 can be used for exterior applications, extreme heat or cold can affect drying times. Always check the weather forecast and adjust working practices accordingly.
- Substrate Preparation: Proper surface preparation is crucial for a successful tile installation. Don't underestimate the importance of a clean, sound, and level substrate.
- Working Time: Once mixed, VX-1 has a working time of about 15–20 minutes. It's important to work efficiently and avoid mixing large quantities at once to prevent wastage.
Grouting
- Begin grouting after 24 hours at 70°F (21°C) using Gresbond's KE-100 series grout or unsanded grout.
Suitable Substrates
Note: Surfaces must be thoroughly cleaned and roughened before the installation of tiles or stones to secure dynamic mechanical integration.
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- One adhesive system for every surface
- Zero-hollowness, permanent bond
- Indoor, outdoor & wet-area ready
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Frequently Asked Questions ?
This is used to fix tiles on walls and floors, including ceramic, vitrified, and large wall tiles, for residential and commercial purposes. Its VX-1 name stands due to its compatibility with vitrified tiles with zero porosity.
Yes, it is suitable for use in wet areas such as bathrooms. It provides a solid and durable bond and prevents seepage and leakage.
Apply a VX1 Tile Adhesive paste layer with a notched trowel to ensure even thickness and proper coverage for gluing wall tiles. Apply a coating on the substrate and large-format wall tiles to provide a long-lasting finish.
It is made of polymer-modified grey cement and offers premium quality, strong adhesion, and durability, making it the best choice for laying floor tiles.
It is formulated for heavy-duty applications for fixing vitrified and large-size tiles. It also works effectively for tile-on-tile applications, ensuring strong bonding and adhesion. With waterproofing quality, it is based on fixing large-format tiles on dull, old-fashioned tiles.
Typically, the thickness is between 3-10 mm, depending on the type of tile and substrate. Only a professional may apply the right thickness after checking the substrate quality and tiles used.






























