weber.fug 877 joint compound silver grey 15 kg
€49.99
- One mortar for narrow and wide joints
- Adheres well to the flanks, the joint does not crack open
- Can be walked on after a short time, on walls and floors
- Also approved for wet and permanently submerged areas
- 14 days right of withdrawal
- Expert advice: 02831 9167703 Mon–Thu 9–16, Fri 9–12 (CET)
- Specialist dealer in Kevelaer, Lower Rhine
Description
Version 15 kg bag. The weber.fug 877 grout is a universally applicable, flexible joint mortar according to DIN EN 13888 for indoor and outdoor areas, damp, wet and permanently submerged areas as well as heated constructions. It is suitable as a fine and wide joint and can be used for walls and floors.
Your benefits
- Universally usable, flexible grouting mortar
- Can be used as fine and wide joint
- For wall and floor, quickly walkable
- Very good flank adhesion
- For damp, wet and permanently submerged areas
Areas of application
- Ceramic wall and floor coverings as well as mosaic
- Brick slips made of porcelain stoneware, stoneware and earthenware
- Split tiles and deformation-insensitive artificial stone slabs
- Indoor and outdoor areas, damp and wet areas
Technical details and application
The joints must be clean, evenly deep and free of adhesive residues. Mix weber.fug 877 lump-free with clean water and work it diagonally into the joints with a grout float; then wash off and re-clean the surface. In case of doubt, make test areas. Observe the manufacturer's information on water addition and setting time.
Technical data
| Area of use: | Exterior, Interior |
|---|---|
| Colour: | anthracite, cement grey, manhattan, medium grey, silver grey |
| Material: | Cement |
| Pack size: | 5 kg bag, 15 kg bag |
| Technical data | |
|---|---|
| Contents: | 15 kg |
| Standards | |
| Standard: | DIN EN 13888 |
| Use | |
| Merchandise group: | Adhesives |
| Product type: | Grout |
| Product group: | Tile adhesive and joint mortar |
Frequently asked questions
Which joint widths can I use weber.fug 877 for?
The technical data sheet specifies 2 to 20 millimetres. The grout therefore covers fine joints in mosaic as well as wide floor joints, so you do not need a second product.
How much material do I need per square metre?
According to the data sheet, roughly 0.7 kg/m² for 20 × 20 cm tiles, about 1.3 kg/m² for 5 × 5 cm mosaic and about 2.3 kg/m² for 24 × 11.5 cm split tiles.
Is the grout suitable for showers, balconies and underfloor heating?
Yes. The grout is water-repellent to CG2 WA, resistant to frost and freeze-thaw cycles, and approved for heated floor constructions. It must not be used in swimming pools or drinking water tanks.
Why do my joints look blotchy or vary in shade?
Usually this is caused by uneven amounts of mixing water or by a bedding mortar that is still damp. Mix every batch with the same amount of water and let the adhesive dry out fully beforehand.
Manufacturer information
Manufacturer information pursuant to Art. 19 EU GPSR
Postal address
Saint-Gobain Weber GmbH
Willstätterstraße 60
40549 Düsseldorf
Germany
Electronic address info@sg-weber.de
All products by Saint-Gobain Weber
Information as of: 2026-11-02
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