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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Pourthane

 

 

 

NO. 773

POURTHANE

SELF-LEVELING URETHANE JOINT SEALANT
Seals horizontal floor or deck joints in high traffic areas

Technical Description
SEALTIGHT POURTHANE Urethane Horizontal Joint Sealant is a two-part, cold-applied, elastomeric joint sealant. POURTHANE will cure to form a tough, resilient, durable joint seal with exceptional adhesion, elasticity and abrasion resistance. It resists deterioration by weather, contraction/expansion, traffic, water, oils and certain chemicals. In addition, POURTHANE does not permanently deform from compression or indenture. Puncturing from sharp objects such as high-heels is minimal. POURTHANE can be poured directly into a prepared joint and will self-level. Practical service temperature range is -20F to +180F (-29C to +82C).

Uses
SEALTIGHT POURTHANE is ideal for use in sealing horizontal joints in concrete and tile floors, walks, decks and similar pedestrian and vehicular high traffic areas. POURTHANE is designed for use in joints having a minimum width of 1/4" (6.35mm). Performance of the sealants is dependent upon joint design; joint width should be a minimum of four times the anticipated joint movement between temperature extremes.

Features and Benefits

bulletProvides a premium-grade, self-leveling sealant ideally suited for horizontal joints subject to high pedestrian or vehicular traffic
bulletForms a tough, resilient, durable joint seal with exceptional adhesion, elasticity and abrasion resistance
bulletExcellent resistance to weather deterioration as well as contraction/expansion, traffic, water, oils and chemicals
bulletDelivers a practical service temperature range from -20F to +180F (-29C to +82C)
bulletDoes not permanently deform from compression; resists puncturing and penetration by sharp objects

Application Tools

 

 
Electric Drill with Mixing Paddle

 
Soft Bristle Brush

 
Air Compressor

 
Pour Pot

 
Wire Brush

 
Roll of Tape

Application
SEALANT DEPTH: For optimum sealant performance, the joint sealant depth should be controlled to provide 1/4" (6.3mm) minimum depths for joint widths up to 1/2" (12.7mm); for up to 1" (25.4mm) widths, the sealant depth should be 1/2 the joint width; for joints over 1" (25.4mm) wide, the sealant depth should be maintained at 1/2" (12.7mm).

To control sealant depth SEALTIGHT KOOL-ROD backer rod, or a non-asphaltic joint filler, such as SEALTIGHT CERAMAR
is required. Joint filler will help support the sealant to bear pedestrian traffic. In addition to giving support to the sealant, the joint filler should be held in compression in the joint to prevent the pourable sealant from passing through or leaking from the joint.

JOINT PREPARATION: Joint surfaces must be clean, dry and free of all contaminants such as curing compounds, form release agents, coatings, oil, grease or bitumens. All will interfere with the adhesion of the sealant. For new concrete, remove laitance and loose material by wire brushing or abrading. Joint surfaces exposed to form release agents or curing compounds should be sandblasted. Dust and dirt should be blown out of the joint by compressed air.

For old concrete, all old joint sealing compounds must be removed. Joint surfaces containing absorbed oils or bitumens must be cut back to clean, sound surfaces. Metal surfaces must be clean of all rust or oxide coatings and wiped clean with Xylene or Toluene.

PRIMING: All surfaces, to which the POURTHANE Sealant is to adhere, must be primed with SEALTIGHT P/G Two-Part Primer. Thoroughly mix the two components of the priming system and apply to the joint surfaces by brushing a thin continuous coating on the joint faces. Primer should be applied 30-60 minutes before sealant is installed and have a slight tacky surface at time of sealant installation.

MIXING: The 2 components of POURTHANE must be thoroughly blended following the mixing directions on the label. After combining the two components, use a flat bladed paddle and slow speed drill (150 rpm) to mix the two components for 8-10 minutes, moving the mixing blade throughout the sealant. Scrape sides of pail and bottom to insure the mixing of all material and remix with drill for approximately 3 minutes.

After mixing the 2 components, POURTHANE will be pourable for two hours at 75F (24C); application time will be decreased at higher temperatures and extended at lower temperatures. Do not mix more material than can be used in 2 hours.

APPLICATION TECHNIQUE: After cleaning of the joint, priming and installation of the back-up filler, POURTHANE may be poured into the joint using any suitable pouring container in relation to the size of the joint. For appearance and ease of application, exposed surfaces on each side of the joint may be taped; remove tape before POURTHANE begins to thicken or cure. Avoid overfilling the joint.

CLEANUP: Equipment may be cleaned with Xylene or Toluene before the sealant cures.

Packaging
POURTHANE SEALANT: 1.5 gallon (5.68 liter) Unit, 3 gallon (11.36 liter) Unit
P/G PRIMER: 1 quart (.95 liter) Unit (6 units per carton)

Specifications
Federal Specification A-A-1556A (formerly TT-S-00227 E) Type I Class A
Corps of Engineers CRD-C 506, Type I Class A
ASTM C 920, Type M, Grade P, Class 25, Use T

Precautions
Do not apply to wet or damp surfaces or at temperatures below 40F (4C). Concrete must be 14 days old. POURTHANE components are pre-measured to exact quantities. Mix all materials in container, do not mix partial units.

Since POURTHANE has a low viscosity for pourability and ease of application, bottom of joint must be closed to hold sealant. Do not use in joints containing bitumens or extruding type fillers. Do not use in vertical applications or joints having a slope; also not intended to withstand hydrostatic pressure without proper support. Read and follow application information, precautions and Material Safety Data information.

Coverage
7.47 gals./ft (1,000 L/m). A 1/2" x 1/2" joint will require 1.3 gal./100 lineal feet (16 L/100m).

This material last updated November, 2001.


 

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