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. 325-PD



Technical Description
SEALTIGHT DECK-O-FOAM Expansion Joint Filler is a flexible, lightweight, non-staining, polyethylene, closed-cell expansion joint filler. It is a chemical-resistant, ultraviolet stable, non-absorbent, low-density, economical, compressible foam that offers an extended service life in both interior and exterior applications.

DECK-O-FOAM is supplied with a convenient pre-scored "removable" strip to provide a uniform sealing reservoir in the joint. It also serves as a sealant bond-breaker and provides an economical alternative as an expansion joint in all concrete paving projects. It is compatible with all currently available cold-applied sealants.

SEALTIGHT DECK-O-FOAM is ideal for use as an expansion, contraction and/or isolation joint in swimming pool decks, curb and gutter work, floor slabs, pavement patch repair, sidewalks, driveways, plazas, parking decks, highways and airport runways.

Features and Benefits

bulletPre-scored strip is easily removed
bulletEconomical alternative to expansion joints
bulletControls amount of sealant needed and acts as a bond-breaker
bulletEliminates costly sawing and routing
bulletFlexible, lightweight and can be formed around curved objects
bulletEasy to install
bulletCan be used in interior or exterior applications

Technical Data

Color N/A Gray
Density ASTM D 1622 2.0 Ibs/ft (32.04 kg/m)
10% Deflection ASTM D 3575 10 psi (69 KPa) max.
80% Deflection ASTM D 3575 125 psi (862.49 KPa) max.
Tensile Strength ASTM D 3575 55 psi (379.50 KPa)
Water Absorption ASTM D 3575 0.5% vol. max.
Temperature Stability N/A -40F to 160F (-40C to 71C)

These physical properties are typical, but should not be used in specifying material due to differences which could result from variations in testing methods.

Attach the DECK-O-FOAM securely to the existing concrete slab, coping or form with tape or mechanical fasteners prior to pouring the next slab. Make sure that the DECK-O-FOAM is level with the desired slab surfaces before finishing. If specifications require the use of a cold-applied sealant, remove the pre-scored strip and apply the sealant following the manufacturer's instructions.


1/4" x 3" x 100' 20 rolls/bale 1/2" x 3" x 50' 20 rolls/bale 
1/4" x 4" x 100' 15 rolls/bale 1/2" x 3 1/2" x 50' 17 rolls/bale 
1/4" x 6" x 100' 10 rolls/bale 1/2" x 4" x 50' 15 rolls/bale 
1/4" x 8" x 100'  7 rolls/bale 1/2" x 5" x 50' 12 rolls/bale 
1/4" x 48" x 100'  1 roll/bale 1/2" x 6" x 50' 10 rolls/bale 
1/2" x 8" x 50'  7 rolls/bale 
  1/2" x 12" x 50'  5 rolls/bale 
1/2" x 48" x 50'  1 roll/bale 

This material last updated January 2002.


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