Proper sealing is one of the best ways to control the spread of fire and smoke. Fire barrier sealant acts like a “life-saving barrier” and are commonly used to seal critical gaps around pipes, cables, ducts, walls, and other structures.
What is a Fire Caulk Sealant?
Fire barrier sealants, also known commercially as fire-stop sealants or fire-stop caulking, are specially formulated materials that help prevent the spread of fire and smoke between compartments in the event of a fire. These sealants typically have a fire resistance rating of 4 hours or more.
4 Types of Fire-Retardant Sealant
There are common types of fire-retardant sealants, each suitable for different situations:
1.Intumescent Sealants
The foaming properties of these sealants allow them to expand when exposed to heat, creating a fire- and smoke-resistant seal. They are common for caulks around plastic ducts or pipes in fire walls and floors. They are suitable for fire ratings up to 4 hours.
Recommed :TA104 fire retardant sealant
2.Fire Rated Acrylic Sealant
Fire rated acrylic sealants are one-component, non-flowing, acrylic-based fire-resistant sealants. Most of these sealants are water-based and low in volatile organic compounds (VOCs). They are typically paintable and designed to seal low-mobility, internal caulking joints between masonry and drywall, providing a fire barrier lasting up to four hours.
Recommed :TA103 fire resistant sealant
3.Fire Rated Silicone Sealant
Fireproof silicone sealants are one-component, neutral-curing fireproof products. They are suitable for sealing building joints and pipe penetrations.
Recommed :TNS784 silicone fire barrier sealant caulk
4.MS Polymer Sealant
These fire stopping sealants combine the flexibility of silicone with the strong adhesion of polyurethane. They do not release hazardous halogenated substances, even in fire conditions, and do not contain raw materials with known environmental impacts. They exhibit excellent adhesion to most building substrates and can be overcoated with oil-based, polyurethane, or latex paints.
Recommed :TM513 fire proof sealants
Common Applications of Fire Sealants
Fireproof sealants play a key role in many areas of modern construction. Some common applications include:
- Pipe and cable penetrations: Preventing flames and smoke from penetrating fire walls or floor slabs;
- Building joints: In walls, floors, expansion joints, etc..
- Around door and window frames: Filling gaps to prevent the spread of fire and smoke;
- Shafts and ducts in high-rise buildings
Whether you need an intumescent sealant, silicone fireproof sealant, or acrylic fireproof sealant, we can provide customized fireproofing solutions for your project.
