Welches Silikon brauche ich?

Three questions. The answer names the product and why it fits.

1 · Where and on what is the joint to sit?

2 · Does the joint have to be paintable?

3 · Colour

Recommendation

Hard exclusion rules: Natural stone: only neutral-curing natural stone silicones (S 70, S 117, S 80) or hybrid – acetate stains the stone. Paintable: no silicone. Permanent wet: no acrylic. Metal, concrete, frames: neutral-curing only.

All recommendations at a glance

Bathroom, shower, kitchen – tiles No (Does the joint have to be paintable?): Ottoseal S100 Premium Sanitärsilikon fugenweiß 310ml – Fungicidal sanitary silicone. S100 has more colours and higher protection, S105 is cheaper.
Ottoseal S105 Sanitärsilikon manhattan 310ml – Alternative for this use.
Matching guide: Welches Silikon für die Dusche?
Bathroom, shower, kitchen – tiles Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Paintable hybrid sealant: it adheres, stays elastic and accepts paint. Silicone cannot be painted over.
Matching guide: Welches Silikon für die Dusche?
Natural stone, marble, granite (wall, sanitary) No (Does the joint have to be paintable?): Ottoseal S70 Naturstein Silikon transparent 310ml – Neutral-curing, no edge-zone staining. Acetate silicone (S100/S105) stains the stone.
Ottoseal S117 Natursteinsilikon transparent 310ml – Alternative for this use.
Matching guide: Welches Silikon für Naturstein?
Natural stone, marble, granite (wall, sanitary) Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Paintable hybrid sealant: it adheres, stays elastic and accepts paint. Silicone cannot be painted over.
Matching guide: Welches Silikon für Naturstein?
Natural stone – floor, terrace, outdoors No (Does the joint have to be paintable?): Ottoseal S80 Natursteinsilikon transparent 310ml – S80 for heavily loaded floor and outdoor joints on natural stone.
Ottoseal S70 Naturstein Silikon transparent 310ml – Alternative for this use.
Matching guide: Ottoseal S70 oder S80 – welches Natursteinsilikon wofür
Natural stone – floor, terrace, outdoors Yes, the joint will be painted (Does the joint have to be paintable?): Matching guide: Ottoseal S70 oder S80 – welches Natursteinsilikon wofür
Acrylic bath, shower tray, plastic No (Does the joint have to be paintable?): Ottoseal S125 Boden und Sanitär Silikon sanitärgrau 310ml – Adheres to plastic and is suitable for sanitary use.
Ottoseal S72 Kunststoff Silikon transparent 310ml – Alternative for this use.
Matching guide: Silikon auf Acrylwannen
Acrylic bath, shower tray, plastic Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Paintable hybrid sealant: it adheres, stays elastic and accepts paint. Silicone cannot be painted over.
Matching guide: Silikon auf Acrylwannen
Windows outside – PVC, aluminium No (Does the joint have to be paintable?): Ottoseal S120 Fenstersilikon transparent 310ml – Neutral-curing, UV- and weather-resistant, compatible with PVC and aluminium.
Ottoseal S110 Bausilikon RAL 9010 310ml – Alternative for this use.
Matching guide: Welches Silikon für Fenster
Windows outside – PVC, aluminium Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Paintable hybrid sealant: it adheres, stays elastic and accepts paint. Silicone cannot be painted over.
Matching guide: Welches Silikon für Fenster
Windows – timber frame No (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Wood moves and gets painted – the hybrid adheres and can be painted over.
Bausilikon transparent RTV-1 310 ml – Ottoseal S115 – Alternative for this use.
Matching guide: Welches Silikon für Fenster
Windows – timber frame Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Paintable hybrid sealant: it adheres, stays elastic and accepts paint. Silicone cannot be painted over.
Matching guide: Welches Silikon für Fenster
Connection joint outside – concrete, plaster, masonry No (Does the joint have to be paintable?): Ottoseal S110 Bausilikon RAL 9010 310ml – Neutral-curing on alkaline substrates such as concrete and plaster.
Ottoseal S730 für die RAL-Montage Aussen weiß 310ml – Alternative for this use.
Matching guide: RAL-Fenstermontage – Ablauf und Materialien
Connection joint outside – concrete, plaster, masonry Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Paintable hybrid sealant: it adheres, stays elastic and accepts paint. Silicone cannot be painted over.
Matching guide: RAL-Fenstermontage – Ablauf und Materialien
Floor – PVC, linoleum, design flooring No (Does the joint have to be paintable?): Ottoseal S51 Kunststoffboden Silikon transparent 310ml – Floor silicone in flooring colours; parquet acrylic if the joint is painted.
Floor – PVC, linoleum, design flooring Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal A221 Acryl für Parkett altweiss 310ml – Acrylic can be painted over – only for dry joints indoors.
Floor – parquet, wood, cork No (Does the joint have to be paintable?): Ottoseal M390 Boden Dichtstoff bahamabeige 310ml – Permanently elastic floor sealant in wood colours.
Ottoseal A221 Acryl für Parkett altweiss 310ml – Alternative for this use.
Matching guide: Schattenfuge herstellen und schließen
Floor – parquet, wood, cork Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal A221 Acryl für Parkett altweiss 310ml – Acrylic can be painted over – only for dry joints indoors.
Matching guide: Schattenfuge herstellen und schließen
Glass, glazing work No (Does the joint have to be paintable?): Ottoseal S10 Glasbau transparent Silikon 310ml – Crystal clear or black, high adhesion to glass.
Ottoseal S7 Glass Silicone black 310 ml – Alternative for this use.
Glass, glazing work Yes, the joint will be painted (Does the joint have to be paintable?)
Aquarium, terrarium No (Does the joint have to be paintable?): Ottoseal S28 Aquariumsilikon transparent 310ml – Safe for fish, without fungicide.
Soudal Silirub AQ Aquariensilikon fischungiftfrei transparent 310 ml – Alternative for this use.
Aquarium, terrarium Yes, the joint will be painted (Does the joint have to be paintable?)
Decorators' joint indoors (wall, ceiling, frame) No (Does the joint have to be paintable?): Bausilikon transparent RTV-1 310 ml – Ottoseal S115 – Acrylic can be painted over – indoors and dry areas only.
Matching guide: Silikon oder Acryl – was wofür?
Decorators' joint indoors (wall, ceiling, frame) Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal A205 Premium Acryl Dichtstoff weiß 310ml – Acrylic can be painted over – only for dry joints indoors.
Ottoseal A220 sofort überstreichbares Maleracryl weiß 310ml – Acrylic can be painted over – only for dry joints indoors.
Matching guide: Silikon oder Acryl – was wofür?
Stainless steel, metal, sheet metal No (Does the joint have to be paintable?): Ottoseal S110 Bausilikon RAL 9010 310ml – Neutral-curing, no corrosion of the metal.
Ottoseal S69 Reinraum Silikon transparent 310ml – Alternative for this use.
Stainless steel, metal, sheet metal Yes, the joint will be painted (Does the joint have to be paintable?): Ottoseal M360 hybrid Dichtstoff überstreichbar weiß 310ml – Paintable hybrid sealant: it adheres, stays elastic and accepts paint. Silicone cannot be painted over.
Heat – stove, fireplace, flue gas No (Does the joint have to be paintable?): Ottoseal S17 hochtemperatur Silikon +285 °C 310ml – High-temperature silicone up to 285 or 300 °C.
Ottoseal S25 Hochtemperatur Silikon +300 °C – Alternative for this use.
Heat – stove, fireplace, flue gas Yes, the joint will be painted (Does the joint have to be paintable?)
Fire protection No (Does the joint have to be paintable?): Ottoseal S94 Brandschutz Silikon B1 transparent 310ml – Fire protection silicone with test certificate.
Ottoseal S54 Brandschutzsilikon weiß 310ml – Alternative for this use.
Fire protection Yes, the joint will be painted (Does the joint have to be paintable?)
Clean room, laboratory, food No (Does the joint have to be paintable?): Ottoseal S67 Reinraum Silikon transparent 310ml – Certified and low-odour; S27 for food areas.
Ottoseal S69 Reinraum Silikon transparent 310ml – Alternative for this use.
Ottoseal S27 Lebensmittel Silikon transparent 310ml – Alternative for this use.
Clean room, laboratory, food Yes, the joint will be painted (Does the joint have to be paintable?)
Swimming pool, chlorinated water No (Does the joint have to be paintable?): Ottoseal S18 Schwimmbadsilikon transparent 310ml – Resistant to chlorine and permanent water.
Swimming pool, chlorinated water Yes, the joint will be painted (Does the joint have to be paintable?)

Matching guides

All guides

Comparison Ottoseal S70 oder S80 – welches Natursteinsilikon wofür Ottoseal S70 oder S80: welches Natursteinsilikon für welchen Raum und Stein 10 min read

Comparison Silikon oder Acryl – was wofür? Silikon oder Acryl: welcher Dichtstoff in den Nassbereich und welcher an Malerfugen 3 min read

Buying guide Welches Silikon für Fenster Welcher Dichtstoff an welche Fensterfuge gehört: neutralvernetzend, Hybrid oder Acryl 10 min read

Buying guide Welches Silikon für Naturstein? Welches Natursteinsilikon Fettränder verhindert: S70, S117 oder S80 4 min read

Buying guide Welches Silikon für die Dusche? Welches Sanitärsilikon in die Dusche gehört und wann S100 oder S105 passt 2 min read

Instructions Schattenfuge herstellen und schließen Schattenfugen in Trockenbau und Holz herstellen oder ungewollte Fugen sauber schließen 10 min read medium

Problem solving Silikon auf Acrylwannen Warum Silikon an Acrylwannen nicht hält und wie die Fuge dauerhaft dicht wird 10 min read medium

Instructions RAL-Fenstermontage – Ablauf und Materialien Fenster nach der 3-Ebenen-Regel einbauen: innen luftdicht, Mitte dämmend, außen dicht 5 min read demanding

Basics MS-Polymer – Kleb- und Dichtstoff erklärt Was MS-Polymer kann, wo es Silikon, PU und Acryl schlägt und wo nicht 10 min read

Comparison OTTOSEAL S100 vs. S105 im Detail OTTOSEAL S100 oder S105: Unterschiede bei Farbauswahl, Schutz und Preis 4 min read

Comparison Sikaflex 11 FC oder Fix All Flexi – welcher Kleb- und Dichtstoff? Sikaflex 11 FC oder Fix All Flexi: PU oder Hybrid für Fuge, Klebung und Dach 5 min read

Buying guide Silikon-Farben – welche es gibt und wie Sie die richtige finden Die passende Silikonfarbe über den Fugenmörtel finden, mit Farbtönen und Farbkarten 10 min read

Der Silikonfinder fragt nach Untergrund, Überstreichbarkeit und Farbe und nennt dann ein bis drei passende Dichtstoffe mit Begründung. Grundlage sind die Technischen Datenblätter der Hersteller und unsere Ratgeber. Harte Regeln: Naturstein nie mit acetatvernetzendem Silikon, überstreichbare Fugen nie mit Silikon, Dauernässe nie mit Acryl.