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Lawn and Garden


NO. 320-F


Multi-Purpose, Expansion - Contraction Joint Filler

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. Breakage, waste and functional failure resulting from the use of inferior, foreign fiber materials can cost you time and dollars and can result in a substandard finished job... thereby, generating costly callbacks and rework expenses. However, the purchase and installation of Fibre Expansion Joint (a small segment of the total project's cost) contributes to both the final cost efficiency and functional success, far greater in proportion than its original cost.

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).

Features and Benefits

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

Fiber Specification and Size Information

Conforms to or meets:

Weight per
Sq. Ft.
  • ASTM D 1751
  • AASHTO M 213
  • 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)


10' (3.05 m)
Also available:
5', 6', 12'
(1.5, 1.83, 3.66m)


1.24 lbs.
(6.06 g/m)


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.

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Greenville, IL 62246