Best Mem Water Stop 2026

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Last Updated - 22.07.2026

Best Choice

01

MEM

MEM Water Stop.

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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

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: 6 kg, colour: grey, item number: 30822572

65,44 €
02

MEM

MEM Bitumen Roof Seal, Durable Seal Against Water, Reliable for Old and New Buildings, Solvent-Free Latex Bitumen Compound, Very Good Adhesion on Many Surfaces, Black, 12 L

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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

The surface must be dry and clean. For optimal results, prime with MEM primer, drying time: 4-10 hours depending on the weather
The surface must be dry and clean. For optimal results, prime with MEM primer, drying time: 4-10 hours depending on the weather
Solvent-free and one-component latex bitumen compound for permanent sealing against water in flat roof renovation as well as old and new buildings
Solvent-free and one-component latex bitumen compound for permanent sealing against water in flat roof renovation as well as old and new buildings
Ideal for sealing roofs, balconies and terraces as well as basement walls, foundations and basements against soil moisture
Ideal for sealing roofs, balconies and terraces as well as basement walls, foundations and basements against soil moisture
Durable barrier layer thanks to waterproof, highly elastic and crack-bridging coating, resistant to salt and rot
Durable barrier layer thanks to waterproof, highly elastic and crack-bridging coating, resistant to salt and rot
Box contents: 1 x MEM roof seal, solvent-free, colour: black, contents: 12 l, item number: 30836513
Box contents: 1 x MEM roof seal, solvent-free, colour: black, contents: 12 l, item number: 30836513

57,95 €
03

MEM

MEM Water Stop.

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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

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

18,94 €
04

MEM

MEM Water Stop.

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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

Solvent, isocyanate and bitumen-free product with SMP technology (silyl modified polymers), the ideal addition to the spreadable version in large format
High-quality universal seal for versatile uses indoors and outdoors, ideal in the joint area for roofs, walls, basement exterior walls and much more
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 different 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 cartridge, solvent-free, silicone and bitumen-free, contents: 290 ml, colour: grey, item number: 30616453

10,58 €
Value for Money

05

MEM

MEM Water Stop, Special Cement for Extremely Wet Wall and Floor Surfaces, Seals in Seconds, Can Be Used Indoors and Outdoors, Grey, 1 kg

12% Off

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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

Special cement for immediate sealing within a few seconds with running water, ideal for water ingress, leaks or pipe breakage
Press the powder dry on the leak for 5-8 seconds and rub under pressure, wet the renovation surface with clear water, repeat operations until the water flow is stopped
Fast-setting cement powder for wet wall and floor surfaces, fibre-reinforced and frost-resistant, consumption: depending on damage 1-3 kg/leak point
Box contents: 1 x MEM water stop, contents: 1 kg, colour: grey, item number: 30836233
Adheres to almost all mineral surfaces indoors and outdoors such as concrete, cement, fibre cement, brick, concrete, aerated concrete, plaster, screed etc.

14,00 € 15,95 €(12% Off off)
06

MEM

MEM sealing Fix 750ml 500221 – Pack of 1

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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

UV-resistant, bitumen, tar and asbestos-free, paint and fillable, dralon and carbon fibre reinforced, reliable crack bridging up to 10 mm, consumption: 2 l/m²
Ready-to-use sealant based on high-quality, natural and synthetic resins, ideal for sealing leaks and smaller leaks
Permanently elastic and pasty sealant for repairs all over the house, optimal adhesion to all common surfaces such as roofing felt, tar, aluminium or wood
Immediately forms a waterproof protective layer - even in rain, snow or frost, can be used indoors and outdoors thanks to adhesion to moist/wet surfaces
Box contents: 1 x MEM Dicht-Fix, capacity: 750 ml, colour: grey, item number: 30822541

15,29 €
07

MEM

MEM Dry Waterproofer, 5 Kg

33% Off

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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

Solvent-free and two-component sealant made from a liquid synthetic resin dispersion and a fibre-reinforced, resin-coated powder cement, consumption: depending on the damage approx. 2.5 to 3 kg/m² per layer
Ideal for all masonry as well as concrete, screed, sand-lime brick, granite, rock etc., especially suitable for sealing wet cells or before tiling on surfaces such as plasterboard or chipboard
Highly flexible wall and floor seal against pressing moisture, ideal as a cellar waterproofing, for a permanent barrier layer against penetrating water, makes even moist / wet surfaces waterproof
Easy to apply the mixture with a trowel, tassel or brush, apply several layers depending on the surface, each layer should dry for 1 day, protect the treated surface from frost, moisture and strong sun exposure during the curing phase
Box contents: 1 x MEM cellar interior seal, two-component system, solvent-free, contents: 5 kg, colour: grey/milky white, item number: 30836421

26,17 € 38,95 €(33% Off off)
08

MEM

MEM System Dry Wall Injection Fluid, Permanent Horizontal Lock for All Masonry, Indoor and Outdoor Use, Pore Narrowing and Water-Repellent, 10 Litre Container

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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.

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Main highlights

High-quality horizontal barrier layer against rising moisture in the wall for permanently dry rooms, frost-resistant after curing, for damp and dry masonry indoors and outdoors
Easy to use: remove loose plaster etc. as well as fill cavities with MEM borehole sludges, attach and clean drill holes using the instructions, insert MEM injection funnel and fill with dry wall injection fluid until saturated
Consumption: 2 rows of drill holes approx. 4-6 litres per running metre depending on the absorbency of the material and the wall thickness. For extremely absorbent material, the consumption may be higher, liquid absorption depending on the material 6-14 days
Can be used in all standard masonry such as concrete, sand-lime brick, brick etc., low viscosity liquid for optimal distribution, pore narrowing effect and hydrophobic film for an ideal result
Box contents: 1 x MEM system dry wall injection liquid, solvent-free, contents: 10 l, colour: pink, item number: 30836138

54,26 €
09

MEM

MEM All Weather Sealant, Solvent-based Special Sealant, Perfect for Extreme Outdoor Use, Transparent, 300 ml

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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.

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Main highlights

UV-resistant and can be painted over
Perfect for extreme outdoor use
MEM All-weather seal is a solvent-based special sealant for repairing small joints and cracks between stone, concrete and metal, for sealing leaks in gutters and downpipes. Also suitable as a roof sealant for gluing and sealing as an emergency repair
Box contents: 1 x MEM all-weather sealant, colour: transparent, weight: 300 ml, item number: 30618181
Achieves good adhesion to most materials commonly used in construction, even on wet surfaces and bitumen, and also adheres to damp, absorbent and non-absorbent surfaces without primer.

9,87 €
10

MEM

MEM Mem Roof and Joint Sealant IMF 300 ml, 500735

37% Off

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7.9

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

Surface must be firm, clean, dry, free of grease and frost, apply with a suitable squeezing device, processed surface should be protected from moisture until curing
Solvent-free and fibrous sealant for repairing cracks, joints and throats as well as for sealing fireplace and wall connections, roof antennas or breakthroughs
For very good adhesion to many surfaces such as concrete, metal, zinc, bitumen sheets or fibre cement, pasty bitumen mass for the roof area
Consumption: one cartridge for approx. 3 m with a joint cross section of 10 x 10 mm, clean fresh material not yet cured with water
Box contents: 1 x MEM roof and joint sealant, solvent-free, colour: black, weight: 300 g, item number: 30822630

6,29 € 9,95 €(37% Off off)