3M™ Fire Barrier Water Tight Sealant 3000 WT

Advanced Intumescent Firestop Sealant for Fire, Water, Smoke & Sound Protection

As an authorized 3M distributor in Saudi Arabia, we supply high-performance passive fire protection solutions that meet stringent regional safety standards.

3M™ Fire Barrier Water Tight Sealant 3000 WT is a premium intumescent silicone sealant designed to block the spread of fire, smoke, toxic gases, water, and airborne sound through penetrations and joints in fire-rated walls, floors, and floor-ceiling assemblies.
This ready-to-use, single-component, neutral-cure sealant expands when exposed to high temperatures, helping maintain the integrity of fire-rated systems.
It provides up to 4 hours of fire protection, making it ideal for commercial, industrial, and infrastructure projects across Saudi Arabia.
In addition to fire resistance, it delivers excellent water leakage protection, smoke sealing, sound reduction, and long-term flexibility. Its superior adhesion, weather resistance, and low-VOC formulation make it a dependable choice for sustainable and demanding building environments.

3M™ Fire Barrier Water Tight Sealant 3000 WT

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Key Features

Advanced Intumescent Technology

Expands more than six times its cured volume when exposed to extreme heat, helping maintain the fire barrier around penetrations.

Water Leakage Protection

Meets UL Water Leakage Class 1 requirements, helping prevent water penetration through sealed openings.

Flexible Silicone Formulation

Remains flexible after curing, accommodating minor building movement without cracking.

Sound Transmission Reduction

Reduces airborne noise transfer with an STC rating of 53 when tested in a rated wall assembly.

Weather Resistant Performance

Offers excellent durability against moisture, temperature variations and environmental exposure

Up to 4-Hour Fire Rating

Provides certified fire protection for up to four hours in approved fire-rated systems.

Smoke and Toxic Gas Control

Helps contain smoke and hazardous gases before, during and after a fire event.

Excellent Adhesion

Bonds effectively to various construction materials without requiring complex installation procedures.

Re-enterable and Repairable

Allows future maintenance work by enabling easy access and resealing when services are modified.

Low VOC and Halogen-Free

Supports environmentally conscious building practices and contributes to green building objectives.

Property	Specification
Color	Light Gray with Black Flecks
Application Temperature Range	20°F to 122°F (-29°C to 50°C)
Service Temperature Range	-40°F to 230°F (-40°C to 110°C)
STC Rating (ASTM E90 & ASTM E413)	STC 53 when tested in an STC 54-rated wall assembly
Surface Burning (ASTM E84)	Flame Spread: 0Smoke Development: 0
Fungi Testing	Meets ASTM G21 Requirements
Expansion Volume	Greater than 6 times at 622°F (350°C)
Working Time	20 – 40 minutes
Specific Gravity	1.25
VOC Content	≤ 65 g/L
Environmental Compliance	Meets the intent of LEED® VOC environmental quality requirements
Cure Rate	Full cure depends on ambient conditions and sealant volume. Typical cure rate is approximately 1/8 in. (3 mm) per day at 75°F (23°C) and 50% RH
Available Packaging Sizes	10.1 fl. oz. tube (300 mL)20 fl. oz. sausage (591 mL)4.5-gallon pail (17 L)