Weiss

Professional solutions designed for performance and durability

WEISS develops specialized products for the construction, installation, and repair of windows in residential, commercial, and industrial sectors.

History

WEISS has been recognized for many years for its expertise in professional adhesives and composite panels.

By combining these two areas of know-how, the company offers complete and high-performance solutions tailored to the needs of modern industry. As one of the leading players in the European market, WEISS also distributes its products internationally, including in the United States and China.

Its extensive portfolio includes more than 400 types of specialized adhesives, cleaning products, and accessories designed for a wide range of professional applications. The company also develops high-end composite panels offering strength, durability, and thermal and acoustic performance.

Driven by innovation and quality, WEISS continues to invest in the development of reliable solutions that meet the highest market standards.

We are proud to be partners with WEISS, a company recognized for its technical expertise, product quality, and commitment to innovation.

Featured Products

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Cap for glue

Cosmofen PVC adhesive SL.660

Cosmofen adhesive Cosmoplast 500 CA.500

Cosmofen DUO component adhesive PU-200

Cosmofen single-component adhesive PU-100

Glue MS 1 composant for aluminium HD-100

Cleaner creme CL-360

Cosmofen Mixing tip for SP-800 Duo-component adhesive

Bonding solutions

High-performance adhesives for window frames (PVC, aluminum, wood)
Structural adhesives ensuring durable, vibration-resistant bonding
Products compatible with modern building standards
Ideal for strong, secure component assembly.

Two-component: Maximum performance and reliability

Cures independently of humidity: consistent results every time.
Superior mechanical strength: ideal for structural bonding.
Controlled curing time: predictable in production.
Excellent dimensional stability: minimal shrinkage.
High resistance to climate variations.

Sealing products

Silicone and hybrid sealants for optimal waterproofing
Resistant to UV rays, weather conditions, and temperature variations
Excellent adhesion to glass, aluminum, PVC, and masonry
Ensures air and water insulation, extending the lifespan of installations.

Alu-Protector is specially designed to protect aluminum surfaces.

Benefits:

Protects against oxidation and external damage.
Restores the shine of dull surfaces.
Leaves an invisible protective film.
Makes future cleaning easier.
Ideal after cleaning or as preventive maintenance for aluminum frames and profiles.

Weiss Cleaners, the right product for the right job

CL-300.150 (Cosmofen 10): gentle cleaner

Mild cleaner for light dirt.
Suitable for PVC, aluminum, and coated surfaces.
Does not alter the surface appearance.
Ideal for daily cleaning or pre-intervention preparation.

CL-300.140 (Cosmofen 20): intemediate cleaner

Stronger cleaning power.
Removes fresh adhesive residues, marks, and tougher dirt.
Commonly used in manufacturing workshops.
Recommended for surface preparation before bonding.

CL-300.120 (Cosmofen 60): Intensive / Slightly abrasive cleaner

Powerful cleaner.
Slightly dissolves the PVC surface.
Removes minor scratches, deep marks, and hardened residues.
Professional use recommended.
Use with care for renovation or intensive surface preparation.

Personalise your cleaning kits for installers and users with your own logo!

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COSMO® Therm

WEISS COSMO® Therm panels are designed to provide excellent thermal insulation while ensuring strength, lightness, and durability.

Developed for residential, commercial, and industrial applications, they help improve the energy efficiency of modern doors and fenestration systems.

Advantages :

High thermal performance.
Reduced energy loss.
Lightweight and durable structure.
Resistant to moisture and weather conditions.
Ideal for residential and commercial projects.

Design

COSMO® Silent

Designed to improve acoustic comfort, COSMO® Silent panels provide excellent sound insulation while maintaining high lightness and strong resistance to weather conditions.