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Bostik J115 Flexible Smooth Finish Grout - Graphite

Bostik J115 Flexible Smooth Finish Grout - Graphite

This premium-quality grout is perfect for both walls and floors, providing a seamless and hard-wea...

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Bostik J115 Flexible Tile Grout Grey 5kg Waterproof Mould Resistant Wall Floor

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eBayBostik J115 Flexible Tile Grout Grey 5kg Waterproof Mould Resistant Wall Floor
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BradfordsBostik - Wall & Floor Flexible Smooth Grout - 5kg - Grey
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resellerstock.comReseller Stock Bostik J115 Flexible Smooth Finish Grout - Graphite 5Kg - 20 Pack
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Product Information

Full details

This guide provides essential information for using Bostik J115 Flexible Smooth Finish Grout - Graphite. Designed for both professionals and DIY enthusiasts, this grout offers a durable, aesthetically pleasing finish for various tile types, including ceramic, porcelain, and natural stone. It's ideal for both interior and exterior applications, but remember to allow for a 12-hour setting time before use.

All features

ColourGrey
Model Part NumberJ115
BrandBostik

Extended Product Information

FAQs

What is the shelf life of Bostik J115 Grout?

The grout is best used before the expiry date of 5th December 2025.

Can I use Bostik J115 Grout outdoors?

Yes, it is suitable for both interior and exterior use.

Is this grout suitable for swimming pools?

Yes, it is suitable for swimming pools and power showers due to its water resistance.

How long does it take for the grout to set?

The grout sets in approximately 12 hours.

What kind of tiles can I use with this grout?

It is suitable for ceramic, porcelain, natural stone, mosaic, marble, and quarry tiles.

Is this grout mold resistant?

Yes, it is mould and efflorescence resistant.

Can I use this grout with underfloor heating?

Yes, it is compatible with underfloor heating.

What size joints is this grout suitable for?

It is formulated for joints between 2mm and 15mm.

Troubleshooting

Grout is cracking.

Ensure proper joint width and movement. Check for excessive water in the mix. Make sure the substrate is stable before grouting.

Grout color is inconsistent.

Make sure that you use the same amount of water for each batch of grout. Mix the grout thoroughly to ensure uniform consistency.

Grout is difficult to clean.

Apply grout in manageable sections. Clean up excess grout while it's still workable. Use a damp sponge and rinse frequently.

Grout is not setting properly.

Ensure correct water-to-powder ratio. Check the expiry date. Maintain a consistent temperature during the setting process. Make sure the grout is not exposed to extreme temperatures or moisture before it has cured.

Pros and Cons

Pros

  • Provides a seamless, professional finish.
  • Suitable for a wide range of tile types and applications.
  • Resistant to mould and efflorescence, ideal for wet environments.
  • Quick setting time allows for faster project completion.
  • Compatible with underfloor heating for added convenience.
  • Offers both interior and exterior use, providing flexibility for various projects.

Cons

  • Requires a 12-hour setting time.
  • Limited to a 5kg bag size.
  • Specific colour selection (Graphite).
  • Requires proper application techniques for best results.

Setup, Compatibility & Care

  1. Preparation: Ensure tiles are clean and dry, with all old grout removed.
  2. Mixing: Mix the Bostik J115 Grout with the recommended amount of water until you achieve a smooth, consistent paste. Follow the instructions on the packaging for the correct water ratio.
  3. Application: Use a grout float to apply the grout, working it into the joints at a 45-degree angle.
  4. Cleaning: After the grout has set for the recommended time (typically 15-30 minutes), use a damp sponge to remove excess grout from the tile surfaces. Rinse the sponge frequently.
  5. Curing: Allow the grout to cure for the full 12-hour setting time before exposing it to heavy use or water.

Compatibility: This grout is compatible with ceramic, porcelain, natural stone, mosaic, marble, and quarry tiles. It is also suitable for use with underfloor heating systems.

Care: Clean the grout regularly with mild soap and water. Avoid abrasive cleaners that could damage the surface.

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