STI SpecSeal LCI300 Red Intumescent Sealant, Water-Based, Expands 10x, Safe for Plastics, Acoustically Tested, Low VOCs, Water-Resistant (1 Year Warranty)

STI SpecSeal LCI300 firestop sealant packaging showing 5-gallon bucket and cartridge format-alternate-image1
STI SpecSeal LCI300 firestop sealant packaging showing 5-gallon bucket and cartridge format-alternate-image1
STI SpecSeal LCI300 firestop sealant packaging showing 5-gallon bucket and cartridge format-alternate-image1
STI SpecSeal LCI300 Red Intumescent Sealant, Water-Based,...
STI SpecSeal LCI300 firestop sealant packaging showing 5-gallon bucket and cartridge format-alternate-image1

STI SpecSeal LCI300 Red Intumescent Sealant, Water-Based, Expands 10x, Safe for Plastics, Acoustically Tested, Low VOCs, Water-Resistant (1 Year Warranty)

STI LCI300

¥256.00
Brand New
Availability: In stock , ready to be shipped .
  • Free Shipping
  • 1 Year Warranty
  • 30 Day Returns
  • Carbon Neutral

Product Key Features

  • 🔥 Expands up to 10x - Highly intumescent sealant
  • 🛡️ Safe for direct contact with plastic materials
  • 💧 Water-based formula for easy application & cleanup
  • 🌊 Water-resistant when cured - won't re-emulsify
  • 🔇 Acoustically tested for sound transmission reduction
  • ♻️ Low VOC, solvent-free & non-halogenated formula
  • 🎨 Red color for easy identification
  • ⚡ Ideal for firestop light commercial & residential use
  • 🏢 Manufactured by STI (Specified Technologies, Inc)
¥256.00
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STI

LCI300

STI SpecSeal LCI300 Intumescent Firestop Sealant: Professional-Grade Fire Protection Solution

The STI SpecSeal LCI300 is a premium water-based intumescent sealant engineered for superior fire protection in light commercial and residential applications. This highly versatile red sealant expands up to 10 times its original size when exposed to heat, creating an effective barrier against fire spread while maintaining compatibility with plastic materials.

Advanced Intumescent Technology for Enhanced Fire Protection

The SpecSeal LCI300 features advanced intumescent technology that actively responds to fire conditions. When exposed to high temperatures, the sealant expands dramatically, forming a robust char that effectively seals off fire pathways and prevents the spread of flames, smoke, and toxic gases.

Environmental and Safety Features

  • Water-based formula ensures easy application and cleanup
  • Low VOC content for safer indoor air quality
  • Non-halogenated composition for environmental safety
  • Safe for direct contact with plastic materials and pipes
  • Water-resistant properties prevent re-emulsification once cured

Acoustic Performance and Installation Benefits

Beyond its fire-protection capabilities, the LCI300 sealant has been acoustically tested to reduce sound transmission through wall penetrations. The water-based formula allows for quick and easy installation, while its red color provides visual confirmation of proper application.

Professional Application: Ideal for firestopping applications in light commercial buildings, residential structures, and anywhere requiring a reliable intumescent sealant that's safe for use with plastic penetrants.

Looking for the very best combination of price and performance in a firestop sealant? Look no further! SpecSeal LCI Intumescent Sealant has what you need when it comes to firestop light commercial and residential applications.

Return Policy

Time to Return

Standard Return Policy

We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns. Please see the section above for more details.

Replacement Only Return Policy

Replacement within 30 days of the delivery date.

Manufacturer Only Return Policy

Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.

Holiday Extended Return Policies

Extended Holiday Return Policy.

Qualifying purchases of products displaying the " Extended Holiday Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Refund or Replacement until January 31, 2024.

Extended Holiday Replacement-Only Return Policy

Qualifying purchases of products displaying the " Extended Holiday Replacement-Only Return Policy ", from November 1st, 2023 to December 25, 2023, are eligible for a Replacement until January 31, 2024.

STI SpecSeal LCI300 firestop sealant packaging showing 5-gallon bucket and cartridge format

Complete Fire Protection Kit: Bucket and Cartridge Solutions

The STI SpecSeal LCI300 sealant comes in versatile packaging options to suit different project scales. The 5-gallon bucket ensures you have ample supply for larger commercial applications, while the convenient cartridge format is perfect for smaller jobs or touch-up work. Both formats contain the same highly effective intumescent formula that expands up to 10 times its original size when exposed to heat, creating a robust fire barrier. This water-based sealant maintains its effectiveness while being environmentally conscious, featuring low VOC emissions and no harmful solvents. The red coloring makes it easy to identify and inspect during safety audits, while its water-resistant properties ensure long-lasting protection once cured.

Technical Specifications

  • Water-based formula for safe handling and easy cleanup
  • Expands up to 10x original volume when exposed to heat
  • Low VOC content meets environmental regulations

Applications

  • Large-scale commercial firestopping projects requiring bulk application
  • Residential construction requiring precise application in smaller areas
  • Retrofit installations where both large and small quantities are needed
FAQ
The STI LCI300 SpecSeal Sealant is a highly intumescent, water-based firestop sealant designed for light commercial and residential applications. Its primary purpose is to provide effective firestopping while being safe for contact with plastics. The sealant expands up to 10 times its original size when exposed to heat, creating a robust fire barrier.
The STI LCI300 features several key benefits: it's highly intumescent with up to 10x expansion capability, safe for contact with plastics, water-based for easy installation and cleanup, water-resistant once dried, acoustically tested for sound transmission reduction, and contains low VOCs making it environmentally friendly and safe to use without harmful solvents.
Yes, the STI LCI300 SpecSeal Sealant is environmentally friendly. It's formulated with low VOCs (Volatile Organic Compounds), contains no solvents, and is non-halogenated. Being water-based, it's safer for both installers and occupants while maintaining high performance standards.
The STI LCI300 is specifically designed to be safe for contact with plastics, which is not always the case with firestop sealants. Its special formulation ensures it won't degrade or damage plastic materials while maintaining its intumescent properties, making it ideal for applications involving plastic pipes or components.
Once dried, the STI LCI300 SpecSeal Sealant becomes water-resistant and will not re-emulsify. This means it maintains its integrity and firestopping properties even when exposed to moisture, making it suitable for areas where water exposure might occur.
The STI LCI300 has been acoustically tested and proven to reduce sound transmission. This dual functionality makes it an excellent choice for applications where both firestopping and sound reduction are required, particularly in residential and light commercial settings.
The STI LCI300 is highly intumescent, capable of expanding up to 10 times its original size when exposed to heat. This significant expansion capability ensures effective sealing of gaps and voids during a fire event, providing superior firestopping protection.
The STI LCI300 is very user-friendly due to its water-based formulation. Installation is straightforward, and cleanup can be done with water while the product is still wet. This makes it particularly convenient for contractors and DIY applications, reducing installation time and effort.

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