PVC window & door adhesives & sealants
Reliable bonding is essential for efficient PVC window and door production. From bonding rigid PVC add-on profiles and accessories to sealing profile connections, COSMO® adhesive solutions support clean processing, durable joints and reliable production.
Bonding applications in PVC window manufacturing
PVC window and door production involves a variety of additional profiles, accessory components and profile connections. Reliable adhesive bonding supports efficient assembly and clean, durable finished elements.
Additional profile bonding
Reliable bonding of drip rails, drainage profiles, shutter bars and other rigid PVC add-on profiles.
Cover cap & accessory bonding
Precise bonding of cover caps, shutter guides and other rigid PVC accessory components.
Bonding & sealing of profile connections
Bonding and sealing of profile joints, frame extensions and window sill connections during window and door assembly.
PVC ADHESIVE SOLUTIONS
Two Adhesives. Different Processing Strengths.
Whether you need fast structural bonding or a versatile solution for bonding and sealing, we offer the right adhesive for professional PVC window and door production.
THE FAST PVC SPECIALIST
COSMOFEN PLUS
PVC Adhesive
Fast setting. Strong bonding. Efficient.
COSMOFEN PLUS is a fast-setting adhesive for structural bonding of rigid PVC components. Its short open time and rapid development of functional strength make it particularly suitable for efficient window and door production.
Benefits
- Fast functional strength
- Strong bonding of rigid PVC
- Good temperature resistance
- Good UV resistance
- Ideal for PVC window production
THE BONDING & SEALING SPECIALIST
COSMOFEN 345
PVC assembly adhesive & sealant
Bond. Seal. Stay flexible.
COSMOFEN 345 combines structural PVC bonding and flexible sealing in a single application. Its thixotropic formulation and elastic adhesive joint make it particularly suitable for profile connections and joints where bonding and sealing are required together.
Benefits
- Bonds and seals in one step
- Elastic adhesive joint
- Suitable for rigid PVC
- Good weather resistance
- Good UV resistance
- Joint sealing up to 7 mm
- Not suitable for expansion joints.
Bonding EPDM sealing profiles?
Fast instant adhesives for bonding EPDM sealing profiles at mitred corners and butt joints in aluminium, PVC and timber window production.
TECHNICAL SUPPORT
Need help choosing the right adhesive or cleaner?
Talk to our team about your materials, bonding requirements and production process. Together, we’ll find a suitable bonding solution for your application.
WEISS ASIA
Specialist adhesives, sealants and cleaners for window & door production across Asia.
ADHESIVES & SEALANTS
+ Aluminium Systems
+ PVC Systems
+ Wood Systems
+ Special Cleaners

