Dow Corning Dowsil Firestop 700 4hr Fire Silicone Sealant Black Grey White

Brand: Dow Corning Dowsil
 QR22725 |  In Stock

  • RRP£13.36 Inc. VAT
  • OUR PRICE £7.18

    £8.62   Inc. VAT
  • Product Code: firestop700
  • SKU: firestop700
  • EAN: 
  • MPN: 

Available Options

Dow Corning Dowsil Firestop 700 4hr Fire Neutral Cure Silicone Sealant 380ml Trade Cartridge

Available Colours:

6001180 - White

6001182 - Black

6001181 - Grey

Barcode:

5033383011825 - Black

5033383011818 - Grey

5033383011801 - White


Dowsil Firestop 700 Black Grey or White 380ml Firestop 700 has a 4hr fire rating when used correctly in the right joint configuration and is tack free in 2hrs its unrivalled in its capabilities a neutral curing silicone sealant ideal for preventing the spread of smoke and flames through expansion joints, or penetration seals in curtain walling, building facades or partition walls due to the neutral cure this silicone sealant can be used on sealed units as will not attack the foil and bonding adhesive, this fire sealant has excellent weathering characteristics including resistance to ozone UV radiation and temperature extremes, used for sealing of expansion joints, pipe and cable penetrations bedding fire glass all in fire rated structures, including pointing to frames, or penetration seals in curtain walling, building facades or partition walls and has a massive Joint movement capability + 50% comes in 3 Colours Black Grey or White

Dow Corning Dowsil Firestop 700 Silicone Sealant – 4 Hour Fire Rated - Black Grey White 

Ensure superior fire safety and joint protection with Dow Corning Dowsil Firestop 700 Silicone Sealant, This premium 4-hour fire-rated silicone sealant is designed to prevent the spread of fire, smoke, and toxic gases through joints and service penetrations in fire-rated structures. With excellent adhesion and flexibility, it accommodates joint movement without compromising fire protection. Available in black, grey, and white, this sealant offers a professional, clean finish that blends seamlessly with your project’s design. Perfect for both commercial and residential fire-rated installations, Dow Dowsil Firestop 700 is trusted by professionals to meet fire safety compliance and performance standards.


Why Choose Dow Corning Dowsil Firestop 700 Silicone Sealant?

The Dow Dowsil Firestop 700 is formulated to withstand high temperatures, forms an insulating barrier to block fire, smoke, and heat. Its flexible, silicone-based formula adheres to a wide range of construction materials, including concrete, steel, and masonry, making it suitable for both vertical and horizontal joints. Certified to provide up to 4 hours of fire resistance, this sealant ensures long-term safety and performance while maintaining flexibility to handle structural movement.


Dowsil 700 Firestop Key Features:

  • 4-Hour Fire Resistance: Tested to provide up to 4 hours of fire protection for joints and service penetrations in fire-rated walls, floors, and ceilings.
  • Fire Protection: Creates a fire smoke and heat-resistant barrier.
  • Flexible and Durable: Absorbs joint movement without cracking, ensuring continued protection in dynamic structures.
  • Strong Adhesion: Bonds to concrete, masonry, steel, glass, and other common building materials.
  • Weather and UV Resistant: Suitable for both interior and exterior fire-rated applications.
  • Available Colours: Offered in black, grey, and white for a seamless, professional finish.
  • Easy Application: Compatible with standard caulking guns for smooth and controlled application.

Applications Dow Corning Dowsil Firestop 700 Silicone Sealant is designed for a variety of fire protection applications, including:

  1. Fire-Rated Walls and Ceilings: Seals expansion and control joints to prevent the spread of fire and smoke.
  2. Perimeter Sealing: Provides fire-resistant protection around windows, doors, and other openings.
  3. Service Penetrations: Seals gaps around pipes, cables, and ducts passing through fire-rated walls and floors.
  4. Floor-to-Wall Joints: Ensures fire and smoke resistance at the junction between walls and floors.
  5. Curtain Wall Systems: Creates fire-rated seals around structural glazing and facade components.
  6. Commercial and Residential Construction: Ideal for fire safety compliance in office buildings, schools, hospitals, and apartment complexes.

Benefits of Dow Corning Dowsil Firestop 700 Silicone Sealant

  • Enhanced Fire Protection: Under fire conditions to block flames, smoke, and heat, improving the safety of building occupants.
  • Certified Compliance: Meets stringent fire safety standards, helping contractors meet regulatory requirements for fire-rated construction.
  • Strong, Flexible Seals: Maintains adhesion and flexibility in joints that are subject to movement, preventing cracks and bond failure.
  • Versatile Material Compatibility: Adheres to a wide range of construction materials, including both porous and non-porous surfaces.
  • Long-Term Performance: Resistant to environmental factors such as UV exposure, moisture, and temperature extremes.
  • Professional Finish: Available in multiple colours to match your project’s aesthetic, providing a clean and unobtrusive seal.

How to Use Dow Corning Dowsil Firestop 700 Sealant

To achieve optimal fire protection, follow these steps when applying Dow Corning Dowsil Firestop 700:

  1. Prepare the Surface: Clean and dry all bonding surfaces to remove dust, grease, and debris. Ensure the area is free from loose particles.
  2. Cut the Nozzle: Trim the nozzle to the desired bead size and attach it to the cartridge.
  3. Load the Cartridge: Insert the cartridge into a compatible caulking gun for easy application.
  4. Apply the Sealant: Apply a continuous bead along the joint, ensuring full contact with the surrounding surfaces.
  5. Tool the Seal: Smooth the bead immediately with a tooling stick or spatula to create a neat, uniform finish.
  6. Allow to Cure: The sealant skins over in 15-30 minutes and fully cures within 24-72 hours, depending on environmental conditions and joint size.

Specifications

  • Brand: Dow Corning (Dowsil)
  • Product Name: Firestop 700 Silicone Sealant
  • Quantity: Single cartridge (310ml)
  • Application: Fire-rated joints, service penetrations, perimeter sealing, and curtain wall systems
  • Cure Type: Neutral-cure silicone-based
  • Fire Resistance: Up to 4 hours, depending on application and joint configuration
  • Colour Options: Black, Grey, White
  • Material Compatibility: Adheres to concrete, steel, masonry, glass, and more


Questions and Answers:

1. How does Dow Corning Dowsil Firestop 700 enhance fire protection?
The Dow Dowsil Firestop 700 Resists the high temperatures from a fire, the sealant creates a fireproof barrier that effectively blocks fire, smoke, and heat from spreading through joints and service penetrations. This helps contain fires and improves building safety.


2. Can this sealant handle outdoor environments and changing weather?
Yes, Dow Dowsil Firestop 700 is designed to withstand both interior and exterior conditions. It offers excellent resistance to UV exposure, rain, and fluctuating temperatures, making it ideal for use on outdoor fire-rated joints such as perimeter seals and curtain wall systems.


3. Does this sealant allow for movement in structural joints?
Yes, Dow Dowsil Firestop 700 is formulated to remain flexible after curing. It accommodates joint movement caused by structural shifts, temperature changes, and vibrations. This flexibility helps prevent cracks and joint failure, ensuring continued fire protection over time.


4. Does this sealant meet fire safety standards and regulations?
Yes, Dow Dowsil Firestop 700 has been rigorously tested and certified to provide up to 4 hours of fire resistance, depending on the joint configuration. These certifications ensure that the sealant meets fire safety regulations and helps contractors comply with building code requirements for fire-rated structures, Conforms to ISO 11600-F&G-25LM, Tested to BS 476 Part 22:1987.


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"Always read the Technical Datasheet prior to first use to ensure you have the correct information and product for your application"

Data
Manufacturer Dow Dowsil
Reference Code 6001182 6001181 6001180
Type Fire Silicone Sealant
Size 380ml
Colour White Black Grey
Name Link
Dow Dowsil Firestop 700 Fire Silicone Safety Data Sheet Black Download Attachment
Dow Dowsil Firestop 700 Fire Silicone Safety Data Sheet Grey Download Attachment
Dow Dowsil Firestop 700 Fire Silicone Safety Data Sheet White Download Attachment
Dow Dowsil Firestop 700 Fire Silicone Technical Data Sheet Download Attachment
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