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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NO. 220


Provides an economical, hot-applied joint sealant for large-scale joint and crack sealing operations.

SEALTIGHT #164 Polymeric Hot-Applied Sealant is ideal for large concrete pavement, bridge, runway and taxiway maintenance crack and joint sealing projects.

Technical Description
SEALTIGHT #164 Polymeric Sealant is a time-proven, hot-applied polymeric sealant which combines a tenacious adhesive power with high resiliency. #164 provides a positive seal during expansion and contraction of the joint and it will not lose bond in cold weather or flow in hot weather.

#164 is ideal for the large-scale sealing of transverse and longitudinal joints in Portland Cement concrete pavements and joints in bridges, airport runways, taxiways, etc. It is also used for the maintenance sealing of cracks and joints in concrete and asphaltic concrete pavements, parking lots, etc.

Advantages and Benefits

bulletProvides an economical solution for large-scale, hot-applied joint and crack sealing applications
bulletCombines tenacious bonding power with high resiliency
bulletMaintains a positive seal during expansion and contraction
bulletWill not lose bond in cold weather or flow in hot weather
bulletWorks equally well in Portland Cement or asphaltic concrete pavements

Application Tools


Air Compressor

Melter-Applicator with Applicator Wand


MELTING: #164 must be melted in a double-boiler, oil-jacketed melter-applicator equipped with an agitator and separate temperature controls for both the oil bath and melting vat. Add small quantities of #164 with plastic liner to the melter and, while under continuous agitation, add additional material as needed.


Material may be added to the melter as the sealant is withdrawn during the sealing operation.

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. The sealant should be applied into the crack/joint from the bottom up, slightly overfilling. 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 CERA-ROD Heat-Resistant 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 CERA-ROD Heat-Resistant Backer Rod may be installed in the joint opening to control depth and sealant usage.

SEALANT APPLICATION: Seal with SEALTIGHT #164, when the air and pavement temperatures are 40F (4C) or higher. At the end of each day's sealing operation, all material remaining in the lines should be drawn off. Small quantities of unused material remaining in the melter may be remelted and used the following day.

69.8 Ibs./ft (1,120 kg/m). A 1/2" x 1/2" (12.7mm x 12.7mm) joint will require 12.2 Ibs./100 linear feet (18.2 kg/100m).

DO NOT DILUTE. #164 is not resistant to jet fuels and is not recommended for swimming pools or joints subjected to hydrostatic pressure. #164 must not be heated above the recommended 390F (199C) or the rubber polymers will decompose, resulting in unsatisfactory performance. Refer to Material Safety Data Sheet for complete Health and Safety Information.

To assist you in the specification of this product, Guide Specifications are available through your local SEALTIGHT Distributor, or contact W. R. Meadows, Inc. direct. Phone: 1-800-342-5976.

55 lb. (24.95 kg) cartons. Each carton contains two 27-1/2 lb. (12.475 kg) buns in polypropylene liners.
50 lb. (22.7 kg) Pails (Available by special order)

ASTM D 1190
Federal Specification SS-S-164
State Department of Transportation Specifications

This material last updated November, 2000.

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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Copyright 2002 O'Brill Company
Last modified: August 09, 2004