O'Brill Company

Construction Specialty Suppliers

       6626 N. Milwaukee Ave.

Niles, IL 60714

773-775-1122 or 847-647-0005

FAX 847-647-7819

Since 1967

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Sealtight Safe-Seal 3405




NO. 235



SEALTIGHT SAFE-SEAL 3405 is a high performance, polymer modified asphalt emulsion horizontal joint and crack sealant. It is a one-component, self-leveling material that can easily be poured into openings 1/8" up to 1" wide. This rapid curing formulation becomes tack free in two hours or less. After fully cured, the product will remain flexible at cold temperatures and will not flow at high temperatures. SAFE-SEAL 3405 is the only asphaltic-based, one-part, cold-applied sealer to meet the demanding performance characteristics of ASTM D 3405.


bulletMeets ASTM D 3405 – High performance characteristics
bulletNo hot kettle required – Safe to use…no danger of burns
bulletNo expensive equipment needed – No equipment maintenance, breakdowns, fires, etc.
bulletUse smaller, non-specialized crews – Reduced installation costs
bulletCan be applied to damp cracks – Saves time…no need for joints to fully dry
bulletDevelops a "skin" quickly – Will take traffic within two hours
bulletPours directly from container – Easy to apply
bulletVOC-compliant –Environmentally safe
bulletUser-friendly – Easy to clean-up

SPECIFICATIONS (Meets or Exceeds Performance Characteristics)

bulletASTM D 3405
bulletASTM D 1190
bulletAASHTO M 301
bulletAASHTO M 173
bulletFed. Spec. SS-S-1401C
bulletFed. Spec. SS-S-164

SAFE-SEAL 3405 is ideal for small, medium, or large scale sealing projects on parking lots, highways, street maintenance, driveways, tennis courts, 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. SAFE-SEAL 3405 may be used wherever the measurable ASTM D 3405 specification is required. It provides a soft, flexible sealer for either concrete or asphalt pavement repairs…will remain pliable, will not become brittle and crack in cold weather, or track in warm weather.


bulletSOF-SEAL – two-component, cold-applied, polymer horizontal joint sealer
bulletGARDOX – two-component, cold-applied, modified coal tar urethane for concrete joints
bulletSEALTIGHT KOOL-ROD - backer rod
bulletSEALTIGHT #158 – one-component, cold and pressure applied rubberized asphalt sealer
bulletPOURTHANE – two-component, cold–applied, urethane, self-leveling sealant
bulletDECK-O-SEAL – two-component, elastomeric, polysulfide-based joint sealant

* W. R. MEADOWS also provides the industry’s most extensive line of hot-applied asphalt based sealers to meet a variety of performance requirements.

Penetration, mm/10  70 
Resilience, % 63
Flow @ 140ºF, cm. 0.1
Bond Test, 50% Extension @ -20ºF (-29ºC) Pass
Asphalt Compatibility Pass
Wt. per gallon lbs./(kg.) 8.3 lbs. (3.74kg.)

SURFACE PREPARATION: The joints and cracks to be sealed must be clean and dry. Dust, dirt and laitance should be removed prior to application.

ASPHALTIC 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" (12.7mm) wide with a minimum depth of 1/2" (12.7mm). This provides for a 1:1 width-to-depth ratio. For joints 1" (25.4mm) wide, the suggested depth is 1/2" (12.7mm) minimum.

Proper routing should be slightly larger than existing crack/joint to ensure proper adhesion to sidewalls. SAFE-SEAL 3405 should be applied into the crack/joint from the bottom up, 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 squeege to form a wipe zone of approximately 3-4 inches (76.2-101.6mm) wide along the crack/joint and flush with the highway or pavement surface. To control and maintain the suggested joint depth and sealant usage, SEALTIGHT KOOL-ROD Backer Rod may be installed in the joint opening.

NEW CONCRETE PAVEMENT SEALING: Typical joint configuration should be 3/8" (9.54mm) wide with a minimum 1/2" (12.7mm) depth for an approximate 1:1 width-to-depth ratio. Designated joint width and depth is determined by the appropriate highway or pavement authority. SEALTIGHT KOOL-ROD Backer Rod may be installed in the joint opening to control depth and sealant usage.

Color:  Black (cured) 
Packaging:  1-gallon (3.79-Liter) container
5-gallon (18.93 Liter) pail
Coverage:  A joint 1/2" x 1/2" (12.7mm x 12.7mm)
Covers approx. 75 lineal ft./gal.
Clean up:  Use water before product cures, once material is cured, use a solvent-based cleaner. 
Shelf life:  6 months, when properly stored in un-opened container 
* Stir before using 

Storage temperature should not exceed 90ºF (32ºC). Apply material when pavement surface is at least 40ºF (4ºC). Do not apply SAFE-SEAL 3405 if rainfall is forecast or imminent.

Refer to Material Safety Data Sheet for complete health and safety information.

This material last updated October, 2001.

W. R. MEADOWS, INC. warrants that, at the time and place we make shipment, our materials will be of good quality and will conform with our published specifications in force on the date of acceptance of the order. THE FOREGOING WARRANTY SHALL BE EXCLUSIVE AND IN LIEU OF ANY OTHER WARRANTY, EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ALL OTHER WARRANTIES OTHERWISE ARISING BY OPERATION OF LAW, COURSE OF DEALING, CUSTOM OF TRADE OR OTHERWISE. As the exclusive remedy for breach of this Warranty, we will replace defective materials, provided, however, that the buyer examine the materials when received and promptly notify us in writing of any defect before the materials are used or incorporated into a structure. Three (3) months after W. R. MEADOWS, INC. has shipped the materials, all our Warranty and other duties with respect to the quality of the materials delivered shall conclusively be presumed to have been satisfied, all liability therefore terminates, and no action for breach of any such duties may thereafter be commenced. W. R. MEADOWS, INC. shall in no event be liable for consequential damages. Unless otherwise agreed to in writing, no warranty is made with respect to materials not manufactured by W. R. MEADOWS, INC. We cannot warranty or in any way guarantee any particular method of use or application of the performance of materials under any particular condition. Neither this Warranty nor our liability may be extended or amended by our salesmen, distributors or representatives, or by our distributor's representatives, or by any sales information or drawings.

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Last modified: August 09, 2004