Bostik MC250 Vitri-Flex Rapid Set White Wall & Floor Tile Adhesive 20kg
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Product Information
Full details
This guide is for anyone using Bostik MC250 Vitri-Flex Rapid Set White Wall & Floor Tile Adhesive. It helps you understand how to effectively use this adhesive for tiling projects, offering a fast-setting and flexible solution. Keep in mind that while it's versatile, proper surface preparation is crucial for optimal results.
All features
| Colour | White |
|---|---|
| Model Part Number | MC250 |
| Brand | Bostik |
Extended Product Information
FAQs
How long should I wait before grouting?
Allow approximately 2 to 3 hours after fixing the tiles, depending on the conditions.
Can I use this adhesive on exterior walls?
Yes, it is suitable for most exterior installations.
Do I need to add any other additives?
No, it only requires mixing with water.
Is this adhesive suitable for underfloor heating?
Yes, it is compatible with underfloor heating systems.
What surfaces can I use this adhesive on?
It bonds to concrete, plaster, sand/cement render, blockwork, brickwork, glazed surfaces, vinyl tiles, and plywood overlay.
What type of tiles can I use with this adhesive?
You can use ceramic tiles, quarry tiles, porcelain, vitrified tiles, natural stone, and mosaics.
Can this adhesive be used in showers?
Yes, when fully cured, it is suitable for permanently wet areas such as showers.
What is the shelf life of Bostik MC250 Vitri-Flex?
The shelf life is typically 12 months from the date of manufacture when stored in unopened original packaging, in dry conditions, and protected from excessive temperatures.
Troubleshooting
Tiles are not adhering properly.
Ensure the surface is clean and properly prepared. Check the adhesive mix ratio and apply sufficient adhesive to the back of the tile. Verify you're within the adhesive's open time.
Adhesive is setting too quickly.
Work in smaller areas to avoid the adhesive setting before the tiles are placed. Ensure water and air temperatures are within recommended ranges.
Grout is cracking.
Ensure the adhesive is fully cured before grouting. Use a flexible grout suitable for the application. Avoid excessive water in the grout mix.
Tiles are moving after placement.
Ensure tiles are properly bedded into the adhesive. Check that the substrate is level. Use tile spacers to maintain even spacing.
Pros and Cons
Pros
- Fast-setting for quicker project completion.
- Suitable for a wide range of tile types and surfaces.
- Flexible formula accommodates slight substrate movement.
- Can be used in both interior and exterior applications.
- Compatible with underfloor heating.
- Easy to prepare and use.
Cons
- Requires proper surface preparation for optimal adhesion.
- Not suitable for areas with excessive vibration.
- Working time is limited due to the rapid setting.
- Ensure accurate mixing to avoid inconsistencies.
- May require more effort for large-scale projects.
- Only available in white.
Setup, Compatibility & Care
- Preparation: Ensure the surface is clean, dry, and structurally sound. Remove any loose debris, dust, or grease.
- Mixing: Mix the Bostik MC250 Vitri-Flex with the recommended amount of clean water, following the instructions on the bag. Use a mixing drill to achieve a smooth, lump-free consistency.
- Application: Apply the adhesive to the surface using a notched trowel, ensuring complete coverage. The notch size depends on the tile size.
- Tiling: Position the tiles onto the adhesive, pressing firmly. Adjust the tiles within the open time of the adhesive.
- Grouting: Allow the adhesive to set for approximately 2 to 3 hours before grouting, depending on conditions. Follow grout manufacturer’s instructions.
- Compatibility: Compatible with ceramic, porcelain, vitrified tiles, natural stone, and mosaics. Suitable for use on concrete, plaster, sand/cement render, blockwork, brickwork, glazed surfaces, vinyl tiles, and plywood overlay.
- Care: Avoid heavy traffic or exposure to water for at least 24 hours after grouting. Clean tiles regularly with a mild detergent. Avoid harsh chemicals or abrasive cleaners.