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 1190




NO. 238



SEALTIGHT 1190 is a hot-applied, single-component polymeric compound developed for the economical maintenance sealing of cracks and joints in Portland Cement and asphaltic concrete. It offers excellent cohesive and adhesive qualities...will not lose bond in cold weather or flow in hot weather. Ideal for large-scale sealing projects. Equally effective for medium-to-small-scale projects.

ASTM D 1190
Fedederal Specification SS-S-164


Penetration, mm/10
Flow, cm
Bond test, 50% extension
@ 0F (-18C), 5 cycles
Viscosity @ 370F (188C), CPS
Wt. per gallon, lbs.
Wt. per liter, kgs.

Recommended pouring temperature: 370F (188C)
Recommended safe heating temperature: 390F (199C)


Use and Application
SEALTIGHT 1190 should be melted in an oil-jacketed melter-applicator with an agitator and separate temperature thermometers for oil bath and melting vat. Sealing may be done at air temperatures of 40F (4C) and higher.

NOTE: Application of sealant into frozen or wet pavement will result in loss of bond and premature failure of the sealant.

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 be routed out to provide a sealant resevoir 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 the existing crack/loint 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 squeegee 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 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.


55 pound (24.95 kg) cartons containing two 27.5 pound (12.47 kg) blocks individually wrapped in poly bag liners.

Application life may be extended by adding fresh material as sealant is applied and the quantity in the kettle decreases. SEALTIGHT 1190 hot-pour joint sealant can be reheated once within the prescribed safe heating temperature limits. Repeated reheating may result in material degradation or jelling in the melter. When the application life has been exceeded, SEALTIGHT 1190 will thicken, become stringy and may gel. If this occurs, remove the sealant immediately from the kettle and discard.

Read and follow application informationand use in accordance with the Health and Safety Information shown on the label. Refer to Material Safety Data Sheet for complete Health and Safety Information.

This material last updated August, 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