Best Balkon Abdichten 2026

Advertising Disclosure

Last Updated - 03.02.2026

Best Choice

01

Isolbau

Isolbau 20kg Balcony Waterproofing Sealing Slurry, 2-K Waterproofing Terrace Balconies Bathroom Basement Shower

Show more
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.

Show more
Main highlights

Water-insulating two-component sealing sludge for indoor and outdoor use. Polymer and cement based. Seamless and jointless. Fibre-reinforced. Ideal for balconies, patios, basements, ceilings, foundations.
The balcony sealing 2K coating is monolithic, protects buildings from aggressive chemicals (sulphates, chlorides, acids) and all other active chemical compounds in the soil. The compound is easy to work with and can be easily applied to intricately shaped or curved surfaces. Isolbau balcony waterproofing 20kg bucket consists of: Comp. (A) 5 kg liquid comp: (B) 15 kg powder
Opens to diffuse, frost, UV and ageing resistant, Water-repellent, Suitable for all coverings, Flexible, Hydraulic setting, Crack-bridging.
Isolbau Balcony Waterproofing 2K 20 kg elastic, fast-curing, 2-component waterproofing slurry for bonded waterproofing under ceramic coverings, as concrete surface protection and structural waterproofing, terrace and balcony waterproofing shower, bathroom, basement, indoors and outdoors.
Flexible two-component sealing membrane. Particularly waterproof - even with continuous exposure to water, particularly long weather resistance, high scratch resistance, good load capacity and high vapour permeability. The coating is rough and is suitable as a base for ceramic coverings.

59,90 €
02

Isolbau

Isolbau 20kg Balcony Waterproofing Sealing Slurry, 2-K Waterproofing Terrace Balconies Bathroom Basement Shower

Show more
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

Water-insulating two-component sealing sludge for indoor and outdoor use. Polymer and cement based. Seamless and jointless. Fibre-reinforced. Ideal for balconies, patios, basements, ceilings, foundations.
The balcony sealing 2K coating is monolithic, protects buildings from aggressive chemicals (sulphates, chlorides, acids) and all other active chemical compounds in the soil. The compound is easy to work with and can be easily applied to intricately shaped or curved surfaces. Isolbau balcony waterproofing 20kg bucket consists of: Comp. (A) 5 kg liquid comp: (B) 15 kg powder
Opens to diffuse, frost, UV and ageing resistant, Water-repellent, Suitable for all coverings, Flexible, Hydraulic setting, Crack-bridging.
Isolbau Balcony Waterproofing 2K 20 kg elastic, fast-curing, 2-component waterproofing slurry for bonded waterproofing under ceramic coverings, as concrete surface protection and structural waterproofing, terrace and balcony waterproofing shower, bathroom, basement, indoors and outdoors.
Flexible two-component sealing membrane. Particularly waterproof - even with continuous exposure to water, particularly long weather resistance, high scratch resistance, good load capacity and high vapour permeability. The coating is rough and is suitable as a base for ceramic coverings.

59,90 €
Value for Money

03

MEM

MEM Balkon-Imprägnierung, Für saugende Untergründe, Wasserabperleffekt, Wasserdicht und atmungsaktiv, Lösemittelfrei, 5 l

Show more

35% Off
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.

Show more
Main highlights

MEM Balcony waterproofing, 5 litres

30,93 € 47,95 €(35% Off off)
04

LEVEL PLUS

Seal Set 10 kg Balcony Seal 2K Bathroom Sealing, Shower, Stairs, Level+ SET27

Show more
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.

Show more
Main highlights

Level+ sealing tape B04 professional RM20 120 mm trilaminate elastomer 100% - waterproof 100%, elastic, frost resistant, tear-resistant, for tension bridging, fungus and mould resistant, excellent adhesion resistance. IGITIT, for Indoor and outdoor use, ready to use, high stretchability, easy installation, for heated floor constructions, for balconies and terraces, for bathrooms and showers, for toilets and kitchens, for washing and basement rooms. , for BATHS AND SAUNAS
Level + sealing corner B04 professional RM26, sealing sleeve B04 SE professional RM32 trilaminate elastomer 100% - waterproof 100%, elastic, frost resistant, tear-resistant, for tension bridging, ILZ- AND Always resistant, excellent adhesion, for indoor and outdoor use, ready to use, high elasticity, easy installation, for heated floor constructions, for balconies and terraces, for bathrooms and showers. FOR TOILET. TE and kitchen, for washing and basement rooms, for swimming pools and saunas
Level + deep base special RM05 – Quick-drying special primer based on acrylic resin, quick-drying, dilutable up to 1:1 with water, solvent-free, strengthens the surface, improves adhesion, discolouration-free, REREREREREREREBubble formation, reduces colour consumption, accelerates construction progress, frost resistant, water vapour permeable, under plaster and limescale tissues, under cement mortars and adhesives, under paints and wallpapers, FFCONCRETE AND Ceramic, on cement and plaster cleaning, on
Level + balcony seal 2K Plus RM10 – two-component flexible polymer cement sealing slurries, elastic, frost resistant, waterproof, quick-drying, hydraulic binding, crack-bridging, chemical resistant XA3, water vapour. througthrougthrougthroughppSIG, THIXOTROP, SOLVENT-FREE, HORIZONTAL SURFACES NOT SACKED, EASY TO APPLY, FOR TERRACES AND BALCONES, FOR FOUNDATION WALLS, FOR CELLES, STAIRS AND SUBJECTS, FOR WATERS, FOR SWIMMING POOLS AND SPRINGS BRUNNEN, For bathrooms and showers

55,91 €
05

LEVEL PLUS

Seal Set 10 kg Balcony Seal 2K Bathroom Sealing, Shower, Stairs, Level+ SET27

Show more
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

Level+ sealing tape B04 professional RM20 120 mm trilaminate elastomer 100% - waterproof 100%, elastic, frost resistant, tear-resistant, for tension bridging, fungus and mould resistant, excellent adhesion resistance. IGITIT, for Indoor and outdoor use, ready to use, high stretchability, easy installation, for heated floor constructions, for balconies and terraces, for bathrooms and showers, for toilets and kitchens, for washing and basement rooms. , for BATHS AND SAUNAS
Level + sealing corner B04 professional RM26, sealing sleeve B04 SE professional RM32 trilaminate elastomer 100% - waterproof 100%, elastic, frost resistant, tear-resistant, for tension bridging, ILZ- AND Always resistant, excellent adhesion, for indoor and outdoor use, ready to use, high elasticity, easy installation, for heated floor constructions, for balconies and terraces, for bathrooms and showers. FOR TOILET. TE and kitchen, for washing and basement rooms, for swimming pools and saunas
Level + deep base special RM05 – Quick-drying special primer based on acrylic resin, quick-drying, dilutable up to 1:1 with water, solvent-free, strengthens the surface, improves adhesion, discolouration-free, REREREREREREREBubble formation, reduces colour consumption, accelerates construction progress, frost resistant, water vapour permeable, under plaster and limescale tissues, under cement mortars and adhesives, under paints and wallpapers, FFCONCRETE AND Ceramic, on cement and plaster cleaning, on
Level + balcony seal 2K Plus RM10 – two-component flexible polymer cement sealing slurries, elastic, frost resistant, waterproof, quick-drying, hydraulic binding, crack-bridging, chemical resistant XA3, water vapour. througthrougthrougthroughppSIG, THIXOTROP, SOLVENT-FREE, HORIZONTAL SURFACES NOT SACKED, EASY TO APPLY, FOR TERRACES AND BALCONES, FOR FOUNDATION WALLS, FOR CELLES, STAIRS AND SUBJECTS, FOR WATERS, FOR SWIMMING POOLS AND SPRINGS BRUNNEN, For bathrooms and showers

55,91 €
06

MEM

MEM Water Stop.

Show more

37% Off
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

Solvent, isocyanate and bitumen-free product with SMP technology (silyl modified polymers), consumption 2.3 - 3.1 kg/m2 (with two coat coats), easy to apply with roller, tassel or brush
High-quality universal seal for versatile applications indoors and outdoors, ideal for repairs of flat roofs, chimneys and gutters or for wet cell sealing
For solid, load-bearing, flat surfaces that are free from oil, grease, dust and other separation layers, UV-resistant and resistant to splash and rain water, low emission according to EC 1
For crack bridges of at least 10 mm as well as various surfaces such as concrete, wood, stone, metal, sanded roofing felt, polystyrene and many plastics, not suitable for bitumen, PE and PP
Box contents: 1 x MEM water stop, solvent-free, silicone and bitumen-free, contents: 1 kg, colour: grey, item number: 30822565

12,49 € 19,95 €(37% Off off)
07

MEM

MEM Water Stop.

Show more

37% Off
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

Solvent, isocyanate and bitumen-free product with SMP technology (silyl modified polymers), consumption 2.3 - 3.1 kg/m2 (with two coat coats), easy to apply with roller, tassel or brush
High-quality universal seal for versatile applications indoors and outdoors, ideal for repairs of flat roofs, chimneys and gutters or for wet cell sealing
For solid, load-bearing, flat surfaces that are free from oil, grease, dust and other separation layers, UV-resistant and resistant to splash and rain water, low emission according to EC 1
For crack bridges of at least 10 mm as well as various surfaces such as concrete, wood, stone, metal, sanded roofing felt, polystyrene and many plastics, not suitable for bitumen, PE and PP
Box contents: 1 x MEM water stop, solvent-free, silicone and bitumen-free, contents: 1 kg, colour: grey, item number: 30822565

12,49 € 19,95 €(37% Off off)
08

HSS

HSS Liquid Plastic for Sealing & Repair - UV & Weather Resistant - MS Polymer - Solvent & Bitumen Free - Transparent - 250 g for Approx. 0.7 m²

Show more
8.5

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

Versatile use: for wood, glass, metal, zinc, roofing sheets, sheet metal & more - ideal for sealing old roof seals, wall, patio, screws, tiles & wall surfaces - also suitable for small cracks & hard to reach areas
UV & WEATHER RESISTANT: MS polymer seal permanently protects against rain, sun & moisture - no quick brittleness - ideal for long term outdoor applications
Solvent-free and gentle on materials: free from bitumen, silicones and solvents – low odour and suitable for sensitive surfaces such as concrete, stone, glass, wood or plastic (for coated surfaces if necessary sanding)
Easy to use: 1-component, ready to use - apply in 2 layers with the enclosed brush, insert fleece in between - no mixing or priming required
Durable: highly elastic, resistant to ageing and cracking - if used correctly lasts over 20 years - resists mechanical stress, UV radiation and frost - ideal for new buildings or renovations

23,99 €
09

BH BAUHANDEL24

Bauhandel24 – Sealing Strip D11 10 m², Shower Sealing Film, Sealing Film, Shower Element

Show more
8.4

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

Outdoor use – the track is also suitable for applications such as patios, balconies, porches under ceramic coverings according to DIN 18531
Installation – The sheet is easy to work with and is used for sealing under tiles and floor coverings
Indoor use: the seal tested for wet areas such as showers, bathrooms and kitchens according to stress classes A and C
Features: the sealing material has a metre marking and is ageing and alkali resistant
Dimensions: length 10 m, width 100 cm, thickness 0.6 mm

56,90 €
10

Pandacoat

PandaCoat Fibreglass Reinforced Waterproof Sealant - Liquid Plastic, UV-Resistant Gutter Sealing Fibre Sealant - Balconies, Concrete, Wood, Artificial - Roof & Caravan Sealing (1 kg)

Show more
8.3

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

Reinforced fibre sealant – this liquid plastic seal is a fibreglass-reinforced bitumen sealant, ideal for roof sealing liquid, flat roof sealing, balconies, gutter repair kit and chimneys. Perfect for use in cold and wet seasons, reliably protects against moisture and cracks.
Mechanically stronger and thicker – This high-quality waterproofing compound for outdoor and indoor use is particularly thick and robust for demanding applications on roofs, vertical surfaces and concrete. One layer is often enough to reliably seal cracks. Ideal as a roof sealant outside, liquid rubber roof and flat roof sealing in low temperatures and damp conditions.
High-quality glass fibre – this fibre sealant contains fine glass fibres for excellent binding and easy handling. Ideal for liquid plastic sealing, concrete sealant, flat roof sealing and roof sealing liquid. Made in the EU, RAL code 7040 for maximum quality and durability.
Environmentally friendly: this sealing slurry is solvent-free, isocyanate-free and therefore particularly environmentally friendly and odourless. Suitable for indoor and outdoor use, ideal for sustainable roof sealing, outdoor waterproofing compound waterproof and waterproof projects. Provides long term protection from moisture and extreme weather conditions.
Easy to use – no primer required. The liquid plastic seal outside can be applied directly to the cleaned surface. Simply apply with brush or roller. Recommended for roof sealing, gutter repair kit, chimney sealing and gutter sealing. Two layers ensure optimal waterproofing.

24,99 €