In the realm of construction and building safety, the choice of sealant and adhesive plays a pivotal role. Among the various options available, the Everflex Contract AC95 stands out as a superior choice for its unique properties and functionalities. This article explains why Everflex AC95 is quite possibly the best intumescent acoustic sealant and adhesive on the market.

What is Everflex AC95 Acoustic Sealant

Also known as a Fire Mastic Sealant, Everflex Contract AC95 is a high-performance product from Everbuild, specifically designed as an intumescent acoustic sealant and adhesive. This innovative material stands out for its high strength and permanent flexibility. This makes it an ideal solution for sealing and bonding plasterboard and other Kraft lined insulation boards in construction projects.

What sets Everflex Contract AC95 apart is its ability to provide a fire-rated seal for up to 4 hours. This ensures enhanced safety in fire-sensitive environments. Its water-based, solvent-free formula makes it easy to use and clean. It also ensures adherence to almost all building substrates without the risk of flammability. Additionally, it serves as an effective acoustic barrier, significantly reducing noise transmission through walls, floors, and ceilings. Certified to BS EN ISO 140/3 standards and tested for air permeability to EN 13141-1, it ensures compliance with ventilation regulations for buildings. Everflex Contract AC95 is a testament to advanced building material technology, combining safety, functionality, and environmental consideration in one product.

Sealing and Soundproofing Applications of an Acoustic Sealant

  • Gap Sealing in Drywall Systems -  You can use EVERFLEX AC95 extensively to seal gaps in drywall systems, including joints and openings between plasterboard walls, floors, and ceilings. This application is vital for maintaining the integrity of firewalls and partitions.
  • Acoustic Insulation - By sealing gaps with Everflex AC95, you can reduce sound transmission through walls, floors, and ceilings significantly. This makes it an ideal solution for buildings where sound insulation is critical, such as in schools, hospitals, offices, and residential buildings.

Adhesive Applications of an Acoustic Sealant

  • Bonding Plasterboard - One of the primary uses of EVERFLEX AC95 is bonding plasterboard panels to each other. This is crucial in creating strong, cohesive wall and ceiling structures in drywall systems.
  • Attaching Plasterboard to Various Surfaces - It effectively adheres plasterboard to a variety of substrates, including wood and metal studding, as well as directly to block work. This flexibility ensures that you can use it for diverse construction designs and requirements.

Fire Safety and Protection

  • Creating Fire Barriers - The intumescent property of Everflex AC95 makes it an excellent choice for creating fire-rated barriers. It expands when exposed to high temperatures, sealing off areas and preventing the spread of fire and smoke.
  • Use in Fire-Sensitive Areas - Its application is crucial in areas where fire safety is a major concern, such as escape routes, electrical service areas, and spaces with high occupancy.

Additional Uses

  • Sealing Insulation Boards - Apart from plasterboard, EVERFLEX AC95 is also suitable for sealing and bonding most other Kraft lined insulation boards, enhancing their insulation properties and fire resistance.
  • General Construction and Renovation - Due to its high adhesion quality, you can use it in general construction and renovation works for sealing and bonding various construction materials.

Characteristics and Advantages of an Acoustic Sealant

  • Fire Rated Acoustic Barrier - Offers up to a 4-hour fire rating.
  • Permanently Flexible/High Grab - Maintains flexibility over time, enhancing durability.
  • Adhesion - Capable of adhering to most surfaces, making it versatile for different construction needs.
  • Mould Resistance - Provides resistance to mould growth, ensuring a healthier environment.
  • Non-Flammable - Enhances safety in fire-sensitive areas.
  • Easy Cleanup - Water based, solvent free formula, easy to use and clean up.

Technical Flexibility

  • Temperature Resilience - With an application temperature range of +5 °C to +40 °C, it can be used in various climatic conditions, making it suitable for year-round construction activities.
  • Slump Resistance - It demonstrates no slump at 25 °C in a 20 mm x 10 mm vertical channel.
  • Compatibility - Its compatibility with most building and decorating materials, excluding bituminous materials, makes it a versatile choice for contractors and builders.

Do You Buy Everflex AC95 in Bulk?

Power Tools Direct provides a cost-effective option for your industrial needs, offering a comprehensive and affordable range of Everbuild AC95 in bulk, ensuring you get more for a lower price.

Conclusion

The wide range of applications of Everflex Contract AC95 highlight its indispensability in modern construction. From enhancing fire safety to providing sound insulation and strong adhesion, it caters to multiple needs, making it a valuable addition to any construction project. Its ease of use, environmental safety, and compliance with standards further solidify its position as a preferred choice in the building materials market.

Best Intumescent Acoustic Sealant and Adhesive FAQs

What makes Everflex AC95 a unique acoustic sealant in the market?

Everflex AC95 is unique due to its high strength, permanent flexibility, and dual functionality as an intumescent sealant and adhesive. Its ability to provide up to a 4-hour fire-rated seal and effective acoustic insulation sets it apart.

What are the primary applications of Everflex AC95?

Its primary applications include sealing gaps in drywall systems, bonding plasterboard panels, providing acoustic insulation, and creating fire barriers in fire-sensitive areas.

Everflex AC95 be used for both sealing and bonding?

Yes, Everflex AC95 is designed for both sealing and bonding, making it versatile for a variety of construction needs.

Everflex AC95 suitable for use in fire-sensitive areas?

Absolutely, its intumescent properties make it an excellent choice for fire-sensitive areas, expanding under heat to prevent fire and smoke spread.

How does Everflex AC95 contribute to soundproofing?

It significantly reduces sound transmission through walls, floors, and ceilings, making it ideal for buildings where sound insulation is crucial.

Is Everflex AC95 environmentally safe?

Yes, it is a water-based, solvent-free product, aligning with environmental safety and user health considerations.

What temperature range can Everflex AC95 be applied in?

Everflex AC95 can be applied in a temperature range of +5 °C to +40 °C, making it suitable for various climatic conditions.

Does Everflex AC95 have any resistance against mould?

Yes, it offers mould resistance, contributing to a healthier building environment.

Can Everflex AC95 be purchased in bulk?

Yes, it is available for bulk purchase, with suppliers like Power Tools Direct offering cost-effective options for industrial needs.

What certifications does Everflex AC95 hold?

It is certified to BS EN ISO 140/3 standards and tested for air permeability to EN 13141-1, ensuring compliance with building ventilation regulations.