Description
Product Part Number
DDSEAL
Product Overview
The Rigid Duct Intumescent Sealant (DDSEAL) is a high-performance, fire-resistant and acoustic-rated sealant designed to provide a durable yet flexible seal in fire-rated construction applications. Supplied in a 310ml cartridge, it is ideal for sealing joints and penetrations in ventilation and building structures where fire protection is critical.
This water-based, one-part sealant features advanced intumescent properties, expanding and charring when exposed to heat to prevent the spread of fire and smoke. Capable of delivering up to 4 hours of fire resistance, it helps maintain the integrity of fire-rated walls, floors, and ductwork systems.
Suitable for a wide range of applications, including ductwork sealing, service penetrations, and structural joints, DDSEAL is an essential component for ensuring compliance and safety in both residential and commercial installations.
Key Features
- Up to 4-hour fire resistance
- Intumescent technology for enhanced fire protection
- Acoustic sealing properties
- Versatile use across multiple fire-rated applications
- Ideal for HVAC and ductwork sealing
Technical Specification
Physical Properties
- Size: 310ml cartridge
- Type: One-part, waterborne sealant
- Finish: Flexible, firm seal
Fire & Acoustic Performance
- Fire Resistance: Up to 4 hours
- Properties: Intumescent (expands when exposed to heat)
- Function: Prevents spread of fire and smoke through joints
- Acoustic Rating: Provides sound sealing performance
Application Areas
- Fire-rated ductwork sealing
- Joints, voids, and irregular openings
- Fire walls and partitions
- Door architraves and frames
- Service penetrations (pipes, cables, and services)
- Floors and structural elements
- Fire doors (hinges and locks bedding)
- Internal fire-rated screens and partitions
Installation Features
- Easy to apply cartridge format
- Suitable for a wide range of substrates
- Provides flexible, durable seal
- Expands under heat to maintain fire barrier integrity
