Best Siloxan 290l 2026

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Last Updated - 22.07.2026

Best Choice

01

Generisch

OTTO Siloxan 25 L Silicone Surface Hydrophobication Weather Protection Impregnation for Facades

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9.9

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

The hydrophobic effect prevents moisture entry from the outside to the inside, but allows the inner moisture to the outside. Bridges hair cracks up to a width of 0.3 mm
Reduces the tendency to soiling the treated surfaces. Prevents the moisture of the building material and thus salt efflorescence as well as moss and algae infestation
Ready-to-use silicone surface hydrophobization
Oligomeric siloxanes in solvents. For outdoor use. Protects against dirt. Can be used on slightly damp surfaces. Forms dirt-repellent surface. UV-resistant
Hydrophobisation of facades and building elements with building materials made of concrete, aerated concrete, fibre cement, brick masonry, sand-lime brick, natural and artificial stones, mineral plasters and mineral paint coatings
High penetration depth UV-resistant
For vertical surfaces only
Dry damp and cracked surfaces, which are then coated with emulsion paints
Can be painted over with standard emulsion paints, odourless, colourless, light colour deepening possible
Can also be used on slightly damp surfaces (not wet rain). Forms a water and dirt-repellent surface

155,29 €
Value for Money

02

OTTO CHEMIE

OTTO Siloxan 290L Silicone Surface Hydrophobic 25 Litre Tin Canister

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Silicone
Sealed
Otto Chemie
Gluing
Dense fabrics

152,75 €
03

Generisch

OTTO Siloxane 10 L Silicone Surface Hydrophobication Weather Protection Impregnation for Facades

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

The hydrophobic effect prevents moisture entry from the outside to the inside, but allows the inner moisture to the outside. Bridges hair cracks up to a width of 0.3 mm
Reduces the tendency to soiling the treated surfaces. Prevents the moisture of the building material and thus salt efflorescence as well as moss and algae infestation
Ready-to-use silicone surface hydrophobization
Oligomeric siloxanes in solvents. For outdoor use. Protects against dirt. Can be used on slightly damp surfaces. Forms dirt-repellent surface. UV-resistant
Hydrophobisation of facades and building elements with building materials made of concrete, aerated concrete, fibre cement, brick masonry, sand-lime brick, natural and artificial stones, mineral plasters and mineral paint coatings
High penetration depth UV-resistant
For vertical surfaces only
Dry damp and cracked surfaces, which are then coated with emulsion paints
Can be painted over with standard emulsion paints, odourless, colourless, light colour deepening possible
Can also be used on slightly damp surfaces (not wet rain). Forms a water and dirt-repellent surface

72,19 €
04

OTTOSEAL

OTTO-SILOXAN 290L-25L

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ready-to-use silicone surface hydrophobization
Low odour and colourless
High penetration depth, UV-resistant, can be painted over with commercially available emulsion paints
Forms a water and dirt repellent surface
Can also be used on slightly damp surfaces (not wet rain)

143,90 €
05

OTTO CHEMIE

OTTO Siloxan 290L Silicone Surface Hydrophobic 5 Litre Tin Canister

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

UV-resistant
Ready-to-use silicone fin hydroaislamiento
Is a water and dirt-repellent surface
High penetration
For sand stone and other natural stones

46,41 €
06

OTTO Siloxan 290L Silicon-Oberflächen-Hydrophobierung 25 Liter

OTTO Siloxan 290L Silicone Surface Hydropho Bierung Various Sizes, 25L

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ready to use silicone surface Hydropho Bierung
Low odour and clear
High penetration depth, UV-resistant, with standard emulsion can be painted over
Forms a water and stain resistant surface
Can also be on slightly damp ground (not Regennass)

142,90 €
07

OTTO Siloxan 290L Silicon-Oberflächen-Hydrophobierung 5 Liter

OTTO Siloxan 290L Silicone Surface Hydropho Bierung Various Sizes, 5L

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Ready to use silicone surface Hydropho Bierung
Low odour and clear
High penetration depth, UV-resistant, with standard emulsion can be painted over
Forms a water and stain resistant surface
Can also be on slightly damp ground (not Regennass)

40,95 €
08

Generisch

OTTO Siloxan 5 L Silicone Surface Hydrophobic Weather Protection Impregnation for Facades

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Show more
Main highlights

The hydrophobic effect prevents moisture entry from the outside to the inside, but allows the inner moisture to the outside. Bridges hair cracks up to a width of 0.3 mm
Reduces the tendency to soiling the treated surfaces. Prevents the moisture of the building material and thus salt efflorescence as well as moss and algae infestation
Ready-to-use silicone surface hydrophobization
Oligomeric siloxanes in solvents. For outdoor use. Protects against dirt. Can be used on slightly damp surfaces. Forms dirt-repellent surface. UV-resistant
Hydrophobisation of facades and building elements with building materials made of concrete, aerated concrete, fibre cement, brick masonry, sand-lime brick, natural and artificial stones, mineral plasters and mineral paint coatings
High penetration depth UV-resistant
For vertical surfaces only
Dry damp and cracked surfaces, which are then coated with emulsion paints
Can be painted over with standard emulsion paints, odourless, colourless, light colour deepening possible
Can also be used on slightly damp surfaces (not wet rain). Forms a water and dirt-repellent surface

43,39 €
09

esbenël

Otto Ottoseal Siloxan 290L 10L Impregnation for Natural Stones

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Perfect to work with
Impregnation for natural stones
All colours and silicone types available from us

75,90 €