Weberjoint DCM
Weberjoint DCM is a cement-based grout mortar specially formulated for fine grout joints up to 6 mm wide. Designed for interior wall and floor applications, it offers easy application, smooth finishing, and excellent cleanability, making it a preferred solution for both professional installers and residential projects.
What is Weberjoint DCM?
Weberjoint DCM is:
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Cement-based
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Specifically developed for fine grout joints
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Optimized for easy application and finishing
The product complies with TS EN 13888-1 / CG1 standards and is identified under Public Works Unit Price No. 10.300.2231.
Key Advantages
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Suitable for grout joints up to 6 mm
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Easy to apply and clean
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Delivers fast and efficient results in fine joint applications
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Ideal for residential and professional installations
Applications
Suitable for grouting:
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Ceramic tiles
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Wall tiles
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Similar ceramic coverings
Recommended Areas
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Interior wall surfaces
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Interior floor surfaces
Consult the manufacturer for applications on other substrates.
Surface Preparation
Before application:
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Remove dust, debris, and cement residues.
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Clean grout joints thoroughly with a brush.
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Lightly dampen joints in wall applications if necessary.
Proper preparation ensures uniform curing and optimal grout penetration.
Application Conditions
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Application temperature: +5°C to +35°C
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Do not apply in freezing conditions.
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Avoid direct sunlight, strong winds, and excessively hot surfaces.
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Ensure tile adhesive has completely cured before grouting.
Application Instructions
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Mix 20 kg Weberjoint DCM with 5.6–6.8 liters of clean water until lump-free.
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Allow the mixture to rest for 10 minutes.
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Remix briefly before use.
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Fill joints using a rubber grout float or grout trowel.
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Apply with parallel and diagonal movements to ensure complete filling.
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Remove excess material using a scraper or damp sponge.
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Clean the surface with a damp sponge after 15–30 minutes.
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Perform final polishing with a dry cloth while the grout is still fresh.
Consumption Guide (g/m²)
| Tile Size | Joint Depth | 2 mm | 3 mm | 4 mm | 6 mm |
|---|
| 10 × 10 cm | 6 mm | 370 | 560 | 740 | 1100 |
| 20 × 20 cm | 8 mm | 250 | 375 | 500 | 750 |
| 25 × 40 cm | 8 mm | 165 | 250 | 330 | 500 |
| 33 × 33 cm | 8 mm | 150 | 225 | 300 | 450 |
| 60 × 60 cm | 10 mm | 110 | 165 | 220 | 330 |
| 60 × 120 cm | 10 mm | 75 | 110 | 145 | 220 |
Limitations and Recommendations
Do not use in:
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Areas exposed to water pressure above 100 bar
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Chemical environments
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Hygienic or sterile facilities requiring specialized grouts
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Swimming pools
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Underfloor-heated floors (Weberjoint Lex is recommended)
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Balconies, terraces, and exterior applications exposed to weather conditions
Additional recommendations:
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Always use clean water for mixing.
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Excess water may reduce strength and cause color variation.
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Excessively wet sponge cleaning may lead to shading or discoloration.
Packaging and Storage
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Packaging: 20 kg kraft paper bag
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Pallet quantity: 80 bags (1600 kg)
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Shelf life: 12 months
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Store in a dry, moisture-free environment.
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Keep bags tightly sealed after opening.
Technical Performance
| Property | Value |
|---|
| Product Form | Powder |
| Color | White / Grey |
| Pot Life | Up to 1 hour |
| Full Hardening Time | Approx. 12 hours |
| Open to Traffic | 24–48 hours |
| Abrasion Resistance | ≤ 2000 mm³ |
| Flexural Strength | ≥ 2.5 N/mm² |
| Compressive Strength | ≥ 15 N/mm² |
| Shrinkage | ≤ 3 mm/m |
| Water Absorption (30 min) | ≤ 5 g |
| Water Absorption (240 min) | ≤ 10 g |
Frequently Asked Questions (FAQ)
What grout widths is Weberjoint DCM suitable for?
It is designed for grout joints up to 6 mm wide.
Can it be used outdoors?
No. It is intended only for interior applications and should not be used on terraces, balconies, or weather-exposed surfaces.
Is it suitable for underfloor heating systems?
No. For underfloor-heated floors, Weberjoint Lex is recommended.
When can the surface be opened to traffic?
The surface can generally be opened to traffic after 24–48 hours.
Can it be used in swimming pools?
No. The product is not recommended for swimming pool applications according to its technical specifications.