Litokol ActiveGel® S1 Grigio | Cementitious tile adhesive | 20 kg for approx. 7.4 m²
- Quality by Litokol®
- Delivery in 3-7 days (express available)
Litokol · ActiveGel® S1 GrigioSuper-flexible C2 TE S1 tile adhesive in grey for porcelain tiles & natural stone
Underfloor heating, terraces or façades: where the substrate and covering move with every temperature change, tile adhesive needs more than adhesion. It needs to accommodate movement without losing its hold, day after day and season after season.
ActiveGel® S1 is super-flexible, fills voids beneath levelling systems through controlled micro-expansion and provides 100 % tile wetting. In grey, it is ideal beneath dark tiles and stone, with uncompromising performance right down to the adhesive bed.
- Super-flexible S1
- 100 % wetting
- For underfloor heating
- Grey for dark coverings
- Bathrooms, showers & wet areas
- Pools & fountains
- Terraces & balconies
- Spa & hammam
- Façades
- Tile-on-tile installation
- Underfloor heating
- Residential, commercial & industrial areas
- Ceramic tiles
- Porcelain tiles in all sizes
- Natural stone
- Screeds & smoothing compounds
- Render & plasterboard
- Existing tiles
- Waterproofing & uncoupling layers
- Concrete & fibre cement
- Gypsum and anhydrite only after priming with X-Prime®, not on wood
Outdoors and in heavily loaded areas, ensure full adhesive coverage when laying tiles, using the combined method with adhesive on the tile backs where necessary. Protect the area from heavy rain for 24 hours.
Powder gel in a 20 kg bag in grey, creamy and non-slump on floors and walls:
- Mixing5.8 to 6.4 l of water per 20 kgLeave to stand for 5 minutes, then stir briefly
- Application temperature+5 °C to +35 °CWorking time 6 to 8 hours
- Tile placement timeover 50 minutesLayer thickness 1 to 20 mm
- Ready for foot traffic after12 hoursgrout walls after 6–8 hours and floors after 12 hours
- Ready for full service after5 daysSwimming pools after 14 days
- Shelf life12 monthsstore in the original packaging in a dry place
Lasting performance
- 7.4 m²Average coverage per 20 kg, depending on trowel notch size
- −40 to +90 °CService temperature range
- C2 TE S1to EN 12004
- > 2.5 mmTransverse deformation to EN 12002
Coverage and quantities
One 20 kg bag covers an average of approx. 7.4 m². Coverage depends primarily on the trowel notch size and application method.
6 mm notched trowel: approx. 8 m² per bag.
8 mm notched trowel: approx. 6.7 m² per bag.
10 mm notched trowel: approx. 5.7 m² per bag.
Coverage decreases when adhesive is also applied to the back of the tiles. Further consumption information is available in the technical data sheet.
Delivery
3–7days delivery time, express delivery on request
You receive a 20 kg bag in grey. The same performance is also available for light-coloured coverings as ActiveGel® S1 Ultra Bianco.
Advice
Freepersonal expert advice
Unsure about the substrate, tile size or quantities required? As an authorised Litokol specialist retailer, we offer personal advice on +49 40 22851287 and put together the right system for you, from the substrate to the final joint.
Grout · cementitiousX-Color® 2 12CG2 WA cementitious grout in 20 Lissoni colours for joints from 2 to 12 mm: mixed with BoostColor, the joints between flexibly bonded slabs remain water-repellent, including on terraces and underfloor heating.View product →
Silicone · movement jointsPixel® 3DSanitary silicone in 20 colours, colour-matched to Lissoni grouts: it provides a permanently elastic seal for perimeter, corner and movement joints, with an allowable movement of 25 %, so the firmly bonded covering can accommodate movement at edges and transitions without cracking.View product →
Waterproofing · rapid-settingHydroPad® FastRapid-curing CM 02 P waterproofing gel in a 15 kg bag, ready for covering after 6 hours: it waterproofs terraces and showers, allowing ActiveGel® S1 to be applied on the same day.View product →

Founded in 1968 in Rubiera, Italy, Litokol stands for outstanding performance and Italian design, continually developed in its in-house research laboratory, Litokol L-Lab. Prestigious establishments around the world, including Cheval Blanc Paris, the House of Dior in London and the Tiffany & Co. boutique in Milan, trust Litokol.
View reference projects →Litokol-ActiveGel-S1-Technisches-Datenblatt-DE.pdf ActiveGel_S1_Technisches_Datenblatt_EN.pdf ActiveGel_S1_Technisches_Datenblatt_FR.pdf ActiveGel_S1_Technisches_Datenblatt_IT.pdf ActiveGel_S1_Technisches_Datenblatt_ES.pdf ActiveGel_S1_Leistungserklaerung_DE.pdf ActiveGel_S1_Leistungserklaerung_EN.pdf ActiveGel_S1_Leistungserklaerung_FR.pdf ActiveGel_S1_Leistungserklaerung_IT.pdf ActiveGel_S1_Leistungserklaerung_ES.pdf
