wedi Subliner Dry – Waterproof Membrane 5m
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wedi 620 Sealing Compound
Order before 12pm: 1 working day | Delivery date will be arranged
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wedi Subliner Dry – Waterproof Membrane 30m
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Wedi Sealing Collars
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wedi 620 – Sealant for joints, corners and sealing tapes
✔️ Ideal for sealing corners & joints ✔️ Perfect with sealing tapes & collars ✔️ Waterproof and ready to use
wedi 620 is a ready-to-use sealant designed for waterproof bonding and sealing of joints, corners and overlaps within the complete wedi system. The product offers excellent adhesion to all wedi sealing tapes, internal corners, collars and the wedi Vapor 85 board. It is also suitable for bonding and sealing the joints of wedi Subliner Dry and Subliner Dry & Flex.
➕ For sealing corners, joints and overlaps
➕ Suitable for sealing tapes, corners and collars
➕ For use with wedi Vapor 85, Subliner Dry and Subliner Dry & Flex
➕ Waterproof, elastic and highly durable
➕ Content: 290 ml cartridge
Specialist sealant for maximum waterproof protection
With wedi 620 you create a safe, watertight seal at all critical connection points in wet areas. Ideal for shower walls, floor-to-wall transitions and for use with wedi sealing tapes to ensure long-lasting, reliable protection.
wedi 620 – professional sealant for waterproof connections
wedi 620 is a high-quality, ready-to-use single-component sealant developed specifically for waterproof bonding and sealing of critical connection points within the wedi system. It is used for sealing joints, corners, overlaps and connection details of sealing tapes, internal corners, collars and vapour-resistant building boards such as wedi Vapor 85. Thanks to its strong adhesion and elastic properties, wedi 620 provides a durable, watertight finish in any wet room.
Reliable sealing of joints, corners and overlaps
wedi 620 is ideal wherever maximum waterproofing is required. The product is used to bond and finish transitional details, wall and floor connections and other critical areas. The sealant creates a reliable bond between all wedi sealing components, including elements of wedi Subliner Dry and Subliner Dry & Flex. With Subliner Dry, joints may be executed with an overlap or sealing tape; Subliner Dry & Flex is always installed as a butt joint in combination with wedi sealing tape and wedi 620.
Excellent adhesion and easy application
Thanks to SMP technology, wedi 620 adheres exceptionally well to mineral substrates, tiles, metals, wood and all relevant wedi components. The material cures through humidity and remains elastic, waterproof and resistant to temperature fluctuations. Application is simple: apply without air pockets, press elements firmly into place and smooth off any excess material for a clean finish.
Fully compatible with the complete wedi system
wedi 620 is an essential component of the wider wedi sealing system. The sealant is designed for maximum compatibility with wedi sealing tape, internal corners, collars, Subliner membranes and the Vapor 85 board. This creates a secure, homogeneous and fully waterproof system suitable for heavily used bathrooms and wet areas.
Why choose wedi 620?
- Specifically developed for sealing joints, corners and overlaps
- Perfect adhesion to all wedi sealing components
- Waterproof, durable and highly elastic
- SMP technology: extremely resistant to weather and chemicals
- Suitable for Subliner Dry, Subliner Dry & Flex and wedi Vapor 85
- Ready to use and easy to apply
Specifications
| Manufacturer | wedi |
| Product name | wedi 620 |
| Type | Sealant |
| Application | Sealing and bonding joints, corners and overlaps |
| Content | 290 ml |
| Waterproof | Yes |
| Elasticity | Elastic after curing |
| Curing | Approx. 3 mm per 24 hours at 23 °C / 50% RH |
| Skin formation | Approx. 15 minutes |
| Colour | Anthracite |
| Suitable for | wedi sealing tape, internal corners, collars, Subliner Dry, Subliner Dry & Flex, Vapor 85 |
| Not suitable for | Substrates that are dirty, wet or structurally unstable |
What is wedi 620 used for?
wedi 620 is a specialist sealant for waterproof bonding and sealing of joints, corners and overlaps. It is used with sealing tapes, internal corners, collars and with systems such as Subliner Dry, Subliner Dry & Flex and the wedi Vapor 85 board.
What is the difference between wedi 610 and wedi 620?
wedi 610 is a general-purpose adhesive and sealant suitable for the entire wedi range. wedi 620, on the other hand, is developed specifically for critical sealing zones such as corners, joints and overlaps of sealing membranes. It provides extra security and waterproof performance, particularly with Subliner Dry, Subliner Dry & Flex and Vapor 85.
How should wedi 620 be applied?
Apply the sealant evenly without trapping air and press the sealing tape, corner or joint firmly into the fresh layer. Smooth off any excess material for a clean finish. The product cures through humidity and remains elastic and waterproof.
What is the consumption of wedi 620?
The consumption depends on the application:
- General use: approx. 1.5 kg per m² per mm layer thickness
- Overlap of 6 cm: approx. 70 ml per metre
- Overlap of 10 cm: approx. 115 ml per metre
- Overlap of 12 cm: approx. 140 ml per metre
On which substrates and wedi components does wedi 620 adhere?
wedi 620 adheres extremely well to all wedi sealing tapes, internal corners, collars, Subliner Dry, Subliner Dry & Flex and the Vapor 85 board. It also adheres well to clean, dry and stable substrates such as tiles, concrete, mineral surfaces and metal surfaces.
Description
wedi 620 – Sealant for joints, corners and sealing tapes
✔️ Ideal for sealing corners & joints ✔️ Perfect with sealing tapes & collars ✔️ Waterproof and ready to use
wedi 620 is a ready-to-use sealant designed for waterproof bonding and sealing of joints, corners and overlaps within the complete wedi system. The product offers excellent adhesion to all wedi sealing tapes, internal corners, collars and the wedi Vapor 85 board. It is also suitable for bonding and sealing the joints of wedi Subliner Dry and Subliner Dry & Flex.
➕ For sealing corners, joints and overlaps
➕ Suitable for sealing tapes, corners and collars
➕ For use with wedi Vapor 85, Subliner Dry and Subliner Dry & Flex
➕ Waterproof, elastic and highly durable
➕ Content: 290 ml cartridge
Specialist sealant for maximum waterproof protection
With wedi 620 you create a safe, watertight seal at all critical connection points in wet areas. Ideal for shower walls, floor-to-wall transitions and for use with wedi sealing tapes to ensure long-lasting, reliable protection.
More info
wedi 620 – professional sealant for waterproof connections
wedi 620 is a high-quality, ready-to-use single-component sealant developed specifically for waterproof bonding and sealing of critical connection points within the wedi system. It is used for sealing joints, corners, overlaps and connection details of sealing tapes, internal corners, collars and vapour-resistant building boards such as wedi Vapor 85. Thanks to its strong adhesion and elastic properties, wedi 620 provides a durable, watertight finish in any wet room.
Reliable sealing of joints, corners and overlaps
wedi 620 is ideal wherever maximum waterproofing is required. The product is used to bond and finish transitional details, wall and floor connections and other critical areas. The sealant creates a reliable bond between all wedi sealing components, including elements of wedi Subliner Dry and Subliner Dry & Flex. With Subliner Dry, joints may be executed with an overlap or sealing tape; Subliner Dry & Flex is always installed as a butt joint in combination with wedi sealing tape and wedi 620.
Excellent adhesion and easy application
Thanks to SMP technology, wedi 620 adheres exceptionally well to mineral substrates, tiles, metals, wood and all relevant wedi components. The material cures through humidity and remains elastic, waterproof and resistant to temperature fluctuations. Application is simple: apply without air pockets, press elements firmly into place and smooth off any excess material for a clean finish.
Fully compatible with the complete wedi system
wedi 620 is an essential component of the wider wedi sealing system. The sealant is designed for maximum compatibility with wedi sealing tape, internal corners, collars, Subliner membranes and the Vapor 85 board. This creates a secure, homogeneous and fully waterproof system suitable for heavily used bathrooms and wet areas.
Why choose wedi 620?
- Specifically developed for sealing joints, corners and overlaps
- Perfect adhesion to all wedi sealing components
- Waterproof, durable and highly elastic
- SMP technology: extremely resistant to weather and chemicals
- Suitable for Subliner Dry, Subliner Dry & Flex and wedi Vapor 85
- Ready to use and easy to apply
Specifications
| Manufacturer | wedi |
| Product name | wedi 620 |
| Type | Sealant |
| Application | Sealing and bonding joints, corners and overlaps |
| Content | 290 ml |
| Waterproof | Yes |
| Elasticity | Elastic after curing |
| Curing | Approx. 3 mm per 24 hours at 23 °C / 50% RH |
| Skin formation | Approx. 15 minutes |
| Colour | Anthracite |
| Suitable for | wedi sealing tape, internal corners, collars, Subliner Dry, Subliner Dry & Flex, Vapor 85 |
| Not suitable for | Substrates that are dirty, wet or structurally unstable |
FAQ
What is wedi 620 used for?
wedi 620 is a specialist sealant for waterproof bonding and sealing of joints, corners and overlaps. It is used with sealing tapes, internal corners, collars and with systems such as Subliner Dry, Subliner Dry & Flex and the wedi Vapor 85 board.
What is the difference between wedi 610 and wedi 620?
wedi 610 is a general-purpose adhesive and sealant suitable for the entire wedi range. wedi 620, on the other hand, is developed specifically for critical sealing zones such as corners, joints and overlaps of sealing membranes. It provides extra security and waterproof performance, particularly with Subliner Dry, Subliner Dry & Flex and Vapor 85.
How should wedi 620 be applied?
Apply the sealant evenly without trapping air and press the sealing tape, corner or joint firmly into the fresh layer. Smooth off any excess material for a clean finish. The product cures through humidity and remains elastic and waterproof.
What is the consumption of wedi 620?
The consumption depends on the application:
- General use: approx. 1.5 kg per m² per mm layer thickness
- Overlap of 6 cm: approx. 70 ml per metre
- Overlap of 10 cm: approx. 115 ml per metre
- Overlap of 12 cm: approx. 140 ml per metre
On which substrates and wedi components does wedi 620 adhere?
wedi 620 adheres extremely well to all wedi sealing tapes, internal corners, collars, Subliner Dry, Subliner Dry & Flex and the Vapor 85 board. It also adheres well to clean, dry and stable substrates such as tiles, concrete, mineral surfaces and metal surfaces.
Documentation
Reviews
Similar products.
Others also bought.
- Personal service you can rely on
- Largest wedi range in the Netherlands
- Direct access to a wedi expert
- More than 15 years online
Justwedi.nl – The specialist in 100% waterproof bathrooms
Welcome to Justwedi.nl – the go-to destination for anyone building or renovating a bathroom, sauna, spa, swimming pool, or any other wet area with the premium quality of wedi.
Whether you’re a professional installer or a hands-on DIYer, you can easily order all original wedi materials online. From waterproof construction boards and Fundo shower systems to XPS elements, design components, and smart installation solutions – you’ll find it all here.
We believe that every wellness space deserves the perfect foundation: sleek, stylish, and fully waterproof. That’s why we exclusively offer the best from wedi – Europe’s number one in high-quality building systems for wet rooms.
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A bathroom renovation requires time, preparation, and the right materials. We make the process as smooth as possible:
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At Justwedi.nl, you can count on premium products and professional support. Our experts are ready to think along with you, offer clear advice, and help you make the right choices for your project.
Why choose Justwedi.nl?
Here’s why customers trust Justwedi.nl:
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Explore our range & get inspired
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Have questions or want to discuss your bathroom project? We’re here to help and would love to get to know you.
Justwedi.nl – your partner in waterproof building