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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Fibre Expansion Joint




NO. 320-F


Resilient and economical multi-function expansion-contraction joint
SEALTIGHT FIBRE Expansion Joint is a unique, multi-purpose, easy-to-use, versatile, resilient and economical expansion-contraction joint filler applicable for small, medium or large scale construction projects.

Technical Description
SEALTIGHT FIBRE Expansion Joint is composed of cellular fibers securely bonded together and uniformly saturated with asphalt to assure longevity. Wherever a cost-effective joint filler is required, SEALTIGHT FIBRE Expansion Joint meets the need.

Manufactured and marketed by W.R. Meadows since the early 1930's, SEALTIGHT FIBRE Expansion Joint is backed by over 60 years of proven application experience.

Fibre Expansion Joint is versatile, resilient, flexible and non-extruding. When compressed to half of its original thickness, it will recover to a minimum of 70% of its original thickness. SEALTIGHT FIBRE will not deform, twist or break with normal on-the-job handling. The purchase and installation of Fibre Expansion Joint may represent a small segment of a project's total cost. However, top-quality SEALTIGHT Fibre Expansion Joint can contribute to both the final cost efficiency and functional success in far greater proportion than its original cost. Breakage, waste and functional failure resulting from the use of inferior, foreign fiber materials can cost you time, dollars and result in a substandard finished job, thereby, generating costly callbacks and re-work expenses.

SEALTIGHT FIBRE Expansion Joint is ideal for use on highways, streets, airport runways, sidewalks, driveways, flatwork and scores of commercial and industrial applications subject to pedestrian and vehicular traffic. Install 1/2" (12.7mm) below the concrete surface and seal with SEALTIGHT #164, HI-SPEC or Cold Applied SOF-SEAL for maximum protection from water infiltration, weathering and to assure proper function. Refer to Catalog Nos. 220, 221 and 224.

Advantages and Benefits

bulletProvides the ideal product for the majority of all expansion/contraction joint requirements
bulletNon-extruding...versatile...offers a minimum of 70% recovery after compression
bulletA tough, lightweight, easy-to-use, semi-rigid joint filler available in strips and shapes fabricated to your requirements
bulletEasy to cut...dimensionally stable...not sticky in summer, or brittle in winter
bulletProvides neat, finished joints requiring no trimming
bulletOften copied...but never equaled
bulletRemains the standard of the industry today...with over 60 years of proven and satisfactory performance
bulletCan be punched for dowel bars and laminated to thicknesses greater than 1"

Application Tool

Utility Knife

SEALTIGHT FIBRE Expansion Joint is positioned against the forms, at interrupting objects or columns, and against abutting structures prior to the placement of concrete. It should be installed 1/2" (12.7mm) below the concrete surface and sealed with a suitable sealant.

Fiber Specification and Size Information
Conforms to:

ASTM D 1751
FAA Specification
Item P-610-2.7
Corps of Engineers
CRD-C 508

1/4", 3/8", 1/2"
3/4", 1"
(6.4, 9.5, 12.7,
19.1, 25.4mm)

36", 48"
(.91, 1.22m)
Weight per

10' (3.05 m)
Also available
5', 6', 12' (1.5,
1.83, 3.66m)
1.24 lbs.
(6.06 g/m)

This material last updated March, 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