Weberjoint SIL

Weberjoint SIL is a high-performance grout mortar developed with special polymers and silicone additives incorporated into its cement-based formulation. It provides a durable, easy-to-clean, and long-lasting solution for grout joints up to 6 mm wide while offering a range of decorative color options.

Designed for both interior and exterior applications, Weberjoint SIL delivers excellent performance in areas where cleanliness, stain resistance, and hygiene are especially important.

What Is Weberjoint SIL?

Technically, Weberjoint SIL is a:

  • Cement-based grout mortar
  • Silicone-enhanced formulation
  • Polymer-modified composition
  • High-performance colored grout solution

Its advanced formulation combines aesthetic appeal with long-term durability and performance.

Applications

Weberjoint SIL is suitable for grouting:

  • Ceramic tiles
  • Wall tiles
  • Natural stone
  • Porcelain and granite ceramic tiles
  • Marble
  • Similar surface coverings

Features

  • Suitable for grout joints up to 6 mm wide
  • Can be used on both walls and floors
  • Available in 20 kg, 5 kg, and 2 kg packaging options

Key Advantages

  • Silicone-enhanced formula provides excellent stain resistance
  • Easy-to-clean surface
  • Water-repellent properties
  • Ideal for areas prone to dirt accumulation
  • Long-lasting color and performance
  • Suitable for both indoor and outdoor use

Application Conditions

  • Ambient temperature: +5°C to +35°C
  • Pot life: Maximum 1 hour
  • Full curing time: 12 hours
  • Open to traffic: 24–48 hours

Not Recommended For

  • Areas exposed to pressurized water exceeding 100 bar
  • Hygienic environments requiring high chemical resistance
  • Swimming pools
  • Underfloor heating systems (use Weberjoint HR Flex or Weberjoint Flex instead)

Recommended Application Tools

  • Electric hand mixer
  • Trowel
  • Rubber grout float
  • Sponge float
  • Squeegee
  • Sponge
  • Brush

Available Colors

  • White 400
  • Pearl Cream 443
  • Göreme Beige 411
  • Dark Coffee Brown 433
  • Granite Grey 414

Frequently Asked Questions (FAQ)

What joint widths is Weberjoint SIL suitable for?

It can be safely used in grout joints up to 6 mm wide.

Does the product contain silicone additives?

Yes. The silicone-enhanced formulation improves both stain resistance and water repellency.

Can it be used in swimming pools?

No. Weberjoint SIL is not recommended for swimming pool applications.

Is it suitable for underfloor heating systems?

No. For underfloor heating installations, Weberjoint HR Flex or Weberjoint Flex is recommended.

When can the surface be opened to traffic?

The treated surface can generally be opened to use 24–48 hours after application.