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.389- PD


One-Component, Super Fast Setting, Hydraulic Repair Mortar

MEADOW-PLUG is a specially blended, extremely fast setting hydraulic cement product designed to instantly stop running water or fluid seepage in concrete or masonry structures.This single component, high strength repair mortar permanently plugs non-moving cracks, joints, and voids.


bulletFast initial set/ Stops liquid flow immediately
bulletExpands as it sets/ Forms a permanent water stop
bulletMixes with water only/ Easy to use
bulletHorizontal, vertical, interior, exterior/ Highly versatile
bulletAbove grade, below grade, underwater/ Multi-purpose
bulletNon-metallic, non-corrosive/ Will not stain
bulletMay be topcoated within one hour/ Saves time
bulletGood sulfate resistance/ Suitable for wastewater and sewer applications

Set times per ASTM C191
Initial: 90 seconds
Final: 120 seconds

5-Gallon (18.93 Liter) Pails

Once mixed with water to a putty-like consistency; MEADOW-PLUG may be hand formed to quickly stop active fluid leaks in basements, tunnels, swimming pools, sewers, non-potable water tanks, voids around pipes and wall tie holes. It seals construction joints between floors and walls. MEADOW-PLUG is versatile enough for either vertical or horizontal applications; below, above or on grade. Its controlled expansion formulation permanently holds the repair in place on exterior, interior, even, underwater installations.

MEADOW-CRETE H: horizontal, cementious, structural repair, ½" minimum
MEADOW-CRETE OV: overhead/vertical cementious structural repair, ½" minimum
FUTURA: rapid-hardening repair mortar
MEADOW-PATCH T-1 & T-2: polymer modified thin repair mortars
REZI-WELD EPOXIES: full line of repair epoxies
MEADOWS CURING &CURE/SEAL PRODUCTS: complete family of V.O.C. and water-base liquids
MEADOW-PLUG: very fast setting, hydraulic repair mortar

Cut or notch out the crack, joint, or void to a minimum dimension of ¾"x ¾". To ensure proper mechanical lock, the bottom of the newly notched opening should be wider than the top. (Avoid "V" type notches or cuts.)
Prepare surface in accordance with ICRI Technical Guide No. 03730. Substrate must be structurally sound and free of grease, oil, dirt, or any other contaminants that can adversely affect the bond. If the crack to be repaired is dry at the time of application, substrate must be dust free, then saturated, surface dry (SSD).

Mix MEADOW-PLUG with enough potable water to form a thick putty consistency (approximately a 3:1 ratio by volume). Do not mix more MEADOW-PLUG than can be placed in one minute. Force MEADOW-PLUG directly into prepared crack and hold in place, maintaining pressure until material hardens. Avoid overworking the material. Just prior to final set, MEADOW-PLUG may be "shaved" to match the profile of the area surrounding the patch. If repairing a dry crack, wet cure immediately for at least fifteen minutes or until set is fully achieved. Do not use on any moving joints.

15 minutes 850 PSI 5.86 m Pa
1 hour 1225 PSI 8.44 m Pa
1 day 2650 PSI 18.27 m Pa
28 days 6000 PSI 41.38 m Pa


Refer to Product Material Safety Data Sheet for complete Health and Safety Information.

This material last updated September, 2000.

W.R.MEADOWS,INC. warrants that at the time and place we make shipment, our material will be of good quality and will conform with our published specifications in force on the date of acceptance of the order. Read complete warranty. Copy furnished upon request.

The information contained herein is included for illustrative purposes only, and to the best of our knowledge, is accurate and reliable. W.R.MEADOWS,INC. cannot however under any circumstances make any guarantee of results or assume any obligation or liability in connection with the use of this information. As W.R.MEADOWS, INC. has no control over the use to which others may put its product, it is recommended that the products be tested to determine if suitable for specific application and/or our information is valid in a particular circumstance. Responsibility remains with the architect or engineer, contractor and owner for the design, application and proper installation of each product. Specifier and user shall determine the suitability of
products for specific application and assume all responsibilities in connection therewith.


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Last modified: August 09, 2004