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InternationalSAFE-SEAL 3405 is a cold-applied, one-component crack and joint sealer for concrete and asphalt pavement. This polymer-modified asphalt emulsion is self-leveling and can be poured into properly prepared cracks and joints from 1/8″ to 1″ wide. It is used to seal random, transverse, and longitudinal cracks and joints in parking lots, highways, streets, driveways, airport aprons, and runways.
Once fully cured, SAFE-SEAL 3405 remains flexible in cold temperatures and resists flowing or tracking in warm weather. Because it is applied cold, it does not require a hot kettle or specialized heating equipment, making it a practical option for pavement crack and joint sealing, maintenance, and repair projects.
Data Sheets
Product Data Sheet
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SAFE-SEAL® 3405
High Performance, Cold-Applied, One-Component, Crack and Joint Sealer
DESCRIPTION
SAFE-SEAL 3405 is a high performance, polymer-modified, asphalt emulsion joint and crack sealant. The product is designed to seal random, transverse, or longitudinal joints and cracks in concrete and asphalt. It is a one-component, self-leveling material that can easily be poured into openings 1/8” (3.2 mm) up to 1” (25.4 mm) wide. After full cure, the product will remain flexible at cold temperatures and will not flow at high temperatures.
USES
SAFE-SEAL 3405 is ideal for small-, medium-, or large-scale sealing projects on parking lots, highways, street maintenance, driveways, and airport aprons and runways. SAFE-SEAL 3405 should be used in any application where superior performance is a necessity or where a hot-applied product is either too dangerous or impractical. It offers excellent bonding properties, high resiliency, and resistance to weathering. It provides a soft, flexible sealer for either concrete or asphalt pavement repairs. This material remains pliable and will not track in warm weather or become brittle and crack in cold weather.
FEATURES/BENEFITS
- No hot kettle required/ Safe to use … no danger of burns.
- No expensive equipment needed/No equipment maintenance, breakdowns, fires, etc.
- Allows smaller, non-specialized crews/Reduced installation costs.
- Can be applied to damp cracks/ Saves time no need for joints to fully dry.
- Pours directly from container/Easy to apply.
- VOC compliant/Environmentally safe.
- User-friendly/Easy cleanup.
PACKAGING
1 Gallon (3.79 Liter) Unit (4/Carton)
5 Gallon (18.93 Liter) Pail
55 Gallon (208.2 Liter) Drums
COVERAGE
A joint ½”x ½” (12.7 mm x 12.7 mm) covers approx. 75 lineal ft./gal.
SHELF LIFE
When stored indoors in original, unopened containers at temperatures between 40° – 90° F (4° – 32° C), optimum performance and best use is obtained within six months of date of manufacture.
TECHNICAL DATA
UNCURED:
| Solids, % | 72 |
| Viscosity, CPS | 6000 |
CURED:
| Penetration, mm/10 | 70 |
| Resilience, % | 63 |
| Softening Point, F | 180 |
| Wt. per Gallon lb./(kg) | 8.3 (3.74) |
| Color: | Black |
Surface and Joint Preparation … The joints and cracks to be sealed must be clean. Dust, dirt, and laitance should be removed prior to application. Proper routing should be slightly larger than existing crack/joint to ensure proper adhesion to sidewalls.
Asphalt Pavement and Maintenance Sealing … For ideal sealing with maximum effectiveness, it is suggested that cracks or joints should be routed out to provide a sealant reservoir 1/2” (12.7 mm) wide with a minimum depth of 1/2” (12.7 mm). This provides for a 1:1 width-to-depth ratio. To control and maintain the suggested joint depth and sealant usage, KOOL-ROD™ backer rod from W. R. MEADOWS may be installed in the joint opening.
New Concrete Pavement Sealing … Designated joint width and depth is determined by the appropriate highway or pavement authority. Typical joint configuration should be 3/8” (9.54 mm) wide with a minimum 1/2” (12.7 mm) depth for an approximate 1:1 width-to-depth ratio. KOOL-ROD backer rod may be installed in the joint opening to control depth and sealant usage.
Application Method … SAFE-SEAL 3405 should be applied into the crack/joint, slightly overfilling. SAFE-SEAL 3405 may be poured from the container or a commercial sealing pot equipped with a narrow pouring spout and shut-off valve. Once applied, a follow-up should be done with a soft, rubber, U-shaped squeegee to form a wipe zone of approximately 3 – 4” (76.2 – 101.6 mm) wide along the crack/joint and flush with the highway or pavement surface.
Cleanup … Use water before product cures. Once material is cured, use a solvent-based cleaner.
PRECAUTIONS
KEEP FROM FREEZING. Storage temperature should not exceed 90° F (32° C). Do not apply SAFE-SEAL 3405 if rainfall is forecast or imminent within 24 hours. Do not apply SAFE-SEAL 3405 when air, material, and surface temperatures are expected to fall below 50° F (10° C) within eight hours of completed application. SAFE-SEAL 3405 is not recommended for sealing cracks or joints in tennis courts. Refer to Safety Data Sheet for complete health and safety information.
2025-11
