Best Balkon Abdichten 2026

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Last Updated - 27.03.2026

Best Choice

01

Kluth

Kluth PROSHIELD 1K PUR ETAG Liquid Plastic, 25 kg, Sealing for Flat Roof, Balcony, Detail Connections and Components, Light Grey

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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

UV, frost and weather resistant
Service life W3 – 25 years
Root-proof
High temperature resistance
Forms a seamless, seamless and highly elastic seal
For flat roof, balcony, detail connections and other components
European technical approval (ETAG 005)
Easy to use (brush, roller, brush or airless)
Crack bridging up to 2 mm
Can be walked on normally

299,00 €
02

Kluth

Kluth PROSHIELD 1K PUR ETAG Liquid Plastic, 15 kg, Sealing for Flat Roof, Balcony, Detail Connections and Components, Light Grey

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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

UV, frost and weather resistant
Service life W3 – 25 years
Root-proof
High temperature resistance
Forms a seamless, seamless and highly elastic seal
For flat roof, balcony, detail connections and other components
European technical approval (ETAG 005)
Easy to use (brush, roller, brush or airless)
Crack bridging up to 2 mm
Can be walked on normally

199,00 €
03

Isolbau

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

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9.4

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

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 €
04

Isolbau

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

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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

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

05

MEM

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

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35% Off
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

Transparent and solvent-free impregnation with water beading effect for absorbent surfaces, which impregnates cracks up to 0.2 mm waterproof and breathable
Surface to be processed must be clean, cover the surface that is not to be processed, remove paint and rust from metal parts at transitions, apply impregnation with brush, tassel or lambskin roller, allow each layer to dry for 1 hour
Ideal for terraces and balconies made of tiles, ceramic, concrete, stone and screed as well as for joints in showers and bathrooms, excellent for indoor and outdoor use, preventive treatment recommended
Box contents: 1 x MEM balcony waterproofing, solvent-free, contents: 5 l, colour: milky white, item number: 30836441
After curing, transparent and breathable, water-repellent protective layer prevents moisture penetration, water vapour permeability is largely retained, consumption: 5 l/25 m²

30,93 € 47,95 €(35% Off off)
06

MEM

MEM Water Stop.

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11% 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.

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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

17,84 € 19,95 €(11% Off off)
07

MEM

MEM Water Stop.

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11% 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

17,84 € 19,95 €(11% Off off)
08

plid

Plid® Liquid Plastic Indoor and Outdoor Use, Anthracite Grey, 5 L, Liquid Plastic, Protective Layer for Floor and Wall, Concrete Paint, Waterproof, Floor Coating, Patio, Workshop, Basement, Liquid PVC

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8.6

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

Water-based, solvent-free floor coating - odourless to use and safe for many indoor and outdoor floor types. Not suitable for garage floors as well as smooth tile surfaces.
Made in Germany - controlled brand quality - production in Germany allows regular quality controls, short production channels and a direct influence on constant manufacturing standards.
Heavy Duty Floor Sealant for Indoor & Outdoor Use - Provides high protection against abrasion and impact. Ideal for living areas, balconies and patios, with proper use without standing water or continuous wet load.
Flexible and durable protective coating - The elastic formula adapts to the surface, effectively prevents cracking and ensures an even, resilient and visually clean floor seal in the long term.
Easy to use with professional results - Easy to apply with brush or roller for optimal distribution. Provides an even, streak-free finish without complicated processing steps.

52,90 €
09

Isolbau

Isolbau Balcony Sealing 2K - 20 kg Sealing Muds for Sealing Balcony, Patio, Bathroom, Basement, Shower

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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.

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Main highlights

Weatherproof - Particularly long weather resistance, high scratch resistance, good load capacity and high vapour permeability. The mass is easy to use and can be easily applied to intricately shaped surfaces
Special features: the sealing slurry is diffusion-open, frost, UV and ageing-resistant, water-repellent, flexible, hydraulically setting and crack-bridging
Isolbau Balcony waterproofing: the quick-hardening, 2-component sealing slurry is suitable for composite sealing under ceramic coverings, as concrete surface protection and building sealing, patio and balcony sealing, etc
Indoor and outdoor use: the water-insulating two-component polymer and cement based sealing slurry is seamless and joint-free, fibre-reinforced and ideal for balconies, patios, basements, ceilings and foundations
Details - The coating is monolithic and protects buildings from aggressive chemical compounds. Comp: (A) 2.5 kg liquid comp: (B) 7.5 kg powder

53,00 €
10

Isolbau

Isolbau Balcony Sealing 2K - 10 kg Sealing Muds for Sealing Balcony, Patio, Bathroom, Basement, Shower

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8.2

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

Weatherproof - Particularly long weather resistance, high scratch resistance, good load capacity and high vapour permeability. The mass is easy to use and can be easily applied to intricately shaped surfaces
Special features: the sealing slurry is diffusion-open, frost, UV and ageing-resistant, water-repellent, flexible, hydraulically setting and crack-bridging
Isolbau Balcony waterproofing: the quick-hardening, 2-component sealing slurry is suitable for composite sealing under ceramic coverings, as concrete surface protection and building sealing, patio and balcony sealing, etc
Indoor and outdoor use: the water-insulating two-component polymer and cement based sealing slurry is seamless and joint-free, fibre-reinforced and ideal for balconies, patios, basements, ceilings and foundations
Details - The coating is monolithic and protects buildings from aggressive chemical compounds. Comp: (A) 2.5 kg liquid comp: (B) 7.5 kg powder

33,00 €