What is Soudal VapourSeal used for?

You use this acrylic adhesive sealant to create airtight and vapour-tight seals between vapour barrier membranes and internal building substrates.

Which materials does this adhesive bond to?

It bonds to all standard vapour control layers (PE, PP, PA, aluminum) and porous building surfaces like masonry, concrete, and timber.

How do you apply Soudal VapourSeal?

Extrude a 5 mm continuous bead using a foil gun. Press the membrane gently, maintaining an adhesive thickness of 1 to 2 mm.

Can Soudal VapourSeal be painted over?

No, Soudal VapourSeal is not designed to be overpainted and is intended for concealed internal air-sealing assemblies.

What caulking gun is required for this 600 ml foil pack?

You need a manual or pneumatic sealant applicator gun designed specifically for 600 ml foil sausages.

SOUDAL VapourSeal acrylic vapour barrier adhesive 600 ml - 123020

Name: SOUDAL VapourSeal acrylic vapour barrier adhesive 600 ml - 123020
Brand: SOUDAL
SKU: 03213630
Price: 12.01 EUR
Availability: PreOrder

Supplier number: SOUDAL 123020 | EAN 5411183107809

From 12 piece €12.01

From 24 pieces €10.81 - €28.83 saving

From 36 pieces €10.21 - €64.88 saving

12.01 tax incl.

€9.93 excl. VAT (incl. all environmental contributions)

On order: delivered from 28/10/2026

The minimum purchase order quantity for the product is 12.

Ordered before 20:00 - delivered as of 28/10/2026
Free shipping
Delivery by DHL

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Reliable airtight bonding with Soudal VapourSeal

Practical benefits

Strong adhesion on foils: You achieve dependable bonds across all common vapour barrier membranes and slightly damp porous construction substrates.
Permanently flexible joint seal: The plasto-elastic formula accommodates building movements without cracking, maintaining a continuous airtight seal.
Solvent-free safe application: Free from isocyanates and solvents, this adhesive delivers clean, low-odour indoor installation without hazardous emissions.

In a nutshell

The right choise for

With the Soudal VapourSeal acrylic vapour barrier adhesive in a practical 600 ml sausage foil pack, you achieve dependable airtight sealing across your insulation projects. You easily bond common vapour control membranes to porous or slightly damp building substrates such as concrete, masonry, and timber. The plasto-elastic formula absorbs structural movements without cracking, maintaining a continuous barrier against moisture and air leaks. Formulated without solvents or isocyanates, it ensures clean, safe, and comfortable application indoors.

Product information FAQ

€12.01

tax incl.

Key features according to our expert

Net volume: 600 ml
EUH-statements: EUH208; EUH210
ADR packing group: Not applicable
UN number: Not applicable
ADR class: Not applicable
Physical state: Liquid
Packaging: Sausage

Supplemental hazard information

EUH208: Contains ... (see safety data sheet). May produce an allergic reaction.
EUH210: Safety data sheet available on request.

All Features

Net volume: 600 ml
Euh-statements: EUH208; EUH210
Adr packing group: Not applicable
Un number: Not applicable
Adr class: Not applicable
Physical state: Liquid
Packaging: Sausage
Colour: blue
Packaging form: Sausage
Product content: 600 ml

Brand SOUDAL
03213630
EAN 5411183107809
Supplier number SOUDAL 123020

Frequently asked questions about this product

Answered by specialists

What is Soudal VapourSeal used for?: You use this acrylic adhesive sealant to create airtight and vapour-tight seals between vapour barrier membranes and internal building substrates.
Which materials does this adhesive bond to?: It bonds to all standard vapour control layers (PE, PP, PA, aluminum) and porous building surfaces like masonry, concrete, and timber.
How do you apply Soudal VapourSeal?: Extrude a 5 mm continuous bead using a foil gun. Press the membrane gently, maintaining an adhesive thickness of 1 to 2 mm.
Can Soudal VapourSeal be painted over?: No, Soudal VapourSeal is not designed to be overpainted and is intended for concealed internal air-sealing assemblies.
What caulking gun is required for this 600 ml foil pack?: You need a manual or pneumatic sealant applicator gun designed specifically for 600 ml foil sausages.