Best Siloxan 290l 2026

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Last Updated - 03.02.2026

Best Choice

01

Generisch

PCI Silconal W 20 L Weather Protection Waterproofing for Sika 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

Solvent-free, higher work safety, no odour nuisance. No evaporation of active ingredient on warm or windy days
Ready to use, ready to use
Impurities on non-absorbent surfaces (windows, joints, ceramics) can be easily cleaned with water, no covering of these surfaces necessary
Impregnation of facades and components made of concrete, aerated concrete, brick masonry, cement and lime plaster, natural stone and artificial stone, absorbent clinker bricks and roof tiles
Impregnation of chimney heads
Hydrophobic old monuments made of sand and other natural stones, bricks etc.
High penetration capacity, prevents the penetration of rainfall moisture
For walls
For indoor and outdoor use
Colourless and clear drying, preserves the natural look of the treated components

265,95 €
02

Generisch

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

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9.8

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

150,69 €
Value for Money

03

Otto Chemie

OTTO Siloxan 290L Silicone Surface Hydrophobic 25 Litre Tin Canister

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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.

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Main highlights

Silicone
Sealed
Otto Chemie
Gluing
Dense fabrics

142,90 €
04

Otto Chemie

OTTO Siloxan 290L Silicone Surface Hydrophobic 5 Litre Tin Canister

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9.3

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

44,29 €
05

Generisch

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

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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

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

69,99 €
06

Generisch

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

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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.

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

69,99 €
07

esbenël

Otto Ottoseal Siloxan 290L 10L Impregnation for Natural Stones

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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

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

75,90 €
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

41,99 €
09

Generisch

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

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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.

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

41,99 €
10

Generisch

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

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8.7

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

150,69 €