Description

A1SEAL W70 FR: Advanced Fire-Resistant Silicone Sealant

Product Overview

A1SEAL W70 FR is a neutral-curing, single-component, fire-rated silicone sealant that boasts excellent aging and UV resistance properties. Specifically developed for weather sealing in curtain walling, building facades, expansion joints, structural glazing, and conservatories, it provides up to 4 hours of fire resistance. Suitable for a variety of interior and exterior linear joints and penetration seals, its fire-resistance capabilities are rigorously tested according to EN 1366-4:2006+A1:2010 standards.

Key Features

• Fire Resistance: Certified to withstand extreme temperatures for up to four hours.
• Neutral Curing: Ensures compatibility with a wide range of materials, reducing the risk of damage to sensitive substrates during the curing process.
• Non-Corrosive and Halogen-Free: Safeguards metal surfaces and other materials from corrosion, suitable for diverse applications.

Advantages & Benefits

• Robust Adhesion: Provides excellent, unprimed adhesion to both porous and non-porous substrates, ensuring a durable seal.
• Weather and UV Resistance: Offers outstanding resistance to harsh environmental elements including ozone, UV radiation, and temperature extremes, enhancing longevity.
• High Mechanical Resistance: High resistance to notches, tension, and tearing, maintaining its integrity under mechanical stress.
• PVB Compatibility: Ideally suited for laminated safety glass applications, enhancing structural integrity and safety.

Applications

• Construction and Glazing Applications: Ideal for sealing expansion joints in prefabricated panels, curtain walls, facades, and partition walls.
• Firewall Installations: Perfect for installing and sealing firewall glazing.
• Ventilation and Smoke Ducts: Provides a robust seal for ventilation ducts, smoke ducts, and other HVAC components.
• Cable and Pipe Penetrations: Seals around cable passages and pipe penetrations, maintaining the integrity of fire-rated walls.
• Linear Expansion Joints: Provides a reliable seal in both vertical and horizontal linear expansion joints in fire-rated areas.

Ideal for Contractors, Builders and DIY Projects

A1SEAL W70 FR is engineered for ease of use and outstanding performance, making it a perfect choice for contractors, builders, and DIY enthusiasts. Whether you are managing large-scale construction projects, overseeing mid-sized builds, or engaging in home improvement endeavors, A1SEAL W70 FR delivers the reliability and safety essential for your needs. Its superior fire resistance and robust formulation ensure consistent performance and durability under various conditions.

For more detailed application methods and technical specifications, please contact our sales support team.