ТВЕХА 20два

High-performance polysiloxane sealant for glazing and façade applications

TWEHA 20-two is a high-quality, exceptionally weather-resistant and durable polysiloxane-based sealant, specially developed for professional glazing, curtain wall and façade applications.

Thanks to its permanent elastic properties and extremely high movement capability, TWEHA 20two provides a reliable and durable seal for joints exposed to movement, changing temperatures and demanding weather conditions. The sealant is easy to apply, even at low temperatures, and shows minimal stringing during application.

TWEHA 20-two is the professional choice where maximum elasticity, weather resistance and long-lasting sealing performance are essential.

Download Technical Data Sheet

Контакт

Cartridge

290

(grey)

Designed for performance and efficiency

No mechanical fixing required

Eliminates the need for screws or rivets, allowing panels to maintain a clean and seamless architectural appearance.

Freedom in design

Panels can be designed thinner and lighter, without the need to accommodate mechanical anchoring systems.

High strength performance

Delivers excellent adhesion, tensile, and shear strength for long-term structural reliability.

Primerless application

No aggressive adhesive primers required on most substrates, reducing installation time and costs.

No mechanical fixing required

Eliminates the need for screws or rivets, allowing panels to maintain a clean and seamless architectural appearance.

Freedom in design

Panels can be designed thinner and lighter, without the need to accommodate mechanical anchoring systems.

High strength performance

Delivers excellent adhesion, tensile, and shear strength for long-term structural reliability.

Primerless application

No aggressive adhesive primers required on most substrates, reducing installation time and costs.

Engineered for reliable bonding

TWEHA 20-two combines excellent application characteristics with outstanding long-term performance:

01

Neutral-Curing and Low-Odor

Contains no organic plasticizers or solvents for a cleaner application.

02

Exceptional Elasticity and Movement

Remains permanently soft and elastic, with a low modulus and movement capability of approximately 50%.

03

Excellent Application Properties

Offers excellent rheological, application and adhesion properties, with minimal stringing and easy processing—even at low temperatures.

04

Compatible with Glass and Metals

Non-corrosive on metals and compatible with PVB interlayers and insulating-glass edge seals.

05

Outstanding Weather Resistance

Resists sunlight, rain, snow, ozone and extreme temperatures while providing excellent long-term durability and ageing stability.

TWEHA 20-two is particularly suitable for:

TWEHA 20-two is particularly suitable for movement joints in structural glazing systems, curtain walls, glazed façades and other façade constructions, as well as highly elastic movement joints in building and glazing structures. It performs equally well for perimeter sealing around façades, frames, panels, windows and prefabricated elements, and for top and heel sealing of single, insulating and safety glass. It can also be used to seal PMMA and polycarbonate sheet materials without causing stress cracking or crazing, and for the repair and renovation of damaged silicone joints in building, glazing and façade applications.

Системи завесних зидова

Реновирање и адаптација

Вентилисане фасаде

Системи завесних зидова

Реновирање и адаптација

Вентилисане фасаде

A complete bonding system

All TWEHA products are part of the Tweha Bonding System. Always refer to the Technical Data Sheets and approved substrate lists for correct system application.

Technical documentation

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Instructions For Use (IFU)