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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Sealtight Rezi-Weld Flex

 

 

 

NO. 03700-100

SEALTIGHT REZI-WELD FLEX

SEMI-RIGID EPOXY JOINT/SEALANT

Technical Description
SEALTIGHT REZI-WELD FLEX is a gray, two-part, 100% solids, pourable consistency, premium-grade, moisture insensitive, epoxy joint filler/sealant formulation. When cured, it is semi-rigid, with a Shore D Hardness of 53.

Uses
SEALTIGHT REZI-WELD FLEX was developed for use as a joint filler/sealant for narrow saw cut, preformed and construction joints in interior concrete floors subjected to load bearing, wear or impact conditions, such as warehouse and industrial plants. These are floors which are typically subjected to hard-wheeled vehicles (such as forklifts).

REZI-WELD FLEX is also suitable for filling or repairing random cracks caused by spalling or shrinkage, as a flexible adhesive for non-structural applications, or as a traffic-loop and control wire joint filler.

Advantages and Benefits

bulletFast setting, pourable and self-leveling makes it ideal for saw cut joints
bulletAs a semi-rigid filler, it protects slab edges from spalling, yet allows sufficient flexibility for interior slabs

Limitations
Do not use in vertical or sloping joints, or in areas subject to continuous water immersion. Do not use in joints designed for any significant movement (i.e. expansion or contraction joints). Do not apply when concrete temperature is below 40F (4C). This product is recommended for interior use only. It is not suitable for areas subject to sudden extreme temperature changes. Concrete must be a minimum of 28 days old prior to installation.

Color
Gray

Shelf Life
2 years

Packaging
1 gallon (3.79 liters) Unit

Coverage
231 inch (3,785cm) per unit

PHYSICAL PROPERTIES
Typical Physical Property  Test Method ACI Report 302.1 Typical Value
Solids % by weight
Mix Ratio (A:B)
Color (A & B mixed)
Consistency
Pot Life (1 gal. unit), minutes
Thin film tack-free time, hours
Tensile adhesion to concrete:
@ RT (3 days), psi
@ 40F (4.4C),(3 days), psi
Hardness, Shore D (3 days)
Tensile strength:@ RT (3 days),
Tensile strength:@ RT (7 days),psi Elongation: @ RT (3 days), %
Elongation: @ RT (7 days), %
Water Absorption:
@ RT (24 hr.), % by weight
Shrinkage
ASTM D 1259
by volume
visual
Appearance
ASTM C 881
ASTM C 879
ASTM D 5329


ASTM D 2240
ASTM D 638
ASTM D 638
ASTM D 638
ASTM D 638
ASTM D 570
   
ASTM D 2566
100 min.








50 min.


6 min.
100
1:1
Gray
Pourable
20
3.5
 
290
880
53
660
770
72
53

0.56
Negligible


 LINEAL FEET PER UNIT
Joint Depth

1"
1-1/4"
1-1/2"
1-3/4"
2"
Joint Width
1/8"

154
123
102
88
77

3/16"
102
82
68
58
51
  
1/4" 
77
61
51
43
38
LINEAL METERS PER UNIT
Joint Depth

25mm
32mm
38mm
44mm
51mm
Joint Width
3mm

50 meters
39 meters
33 meters
29 meters
25 meters
 
6mm
25 meters
20 meters
17 meters
14 meters
12 meters
 

Joint Design
Joint frequency, width and depth shall be as specified by the design engineer. It is suggested that the width of a typical saw cut shall be 1/4" (6.4mm) maximum and the depth 25% of the slab thickness, but no less than 1" (25.4mm).

Application
JOINT PREPARATION: Joints must be level, clean and free of frost and standing water. Remove curing compounds, form release agents, old sealant and/or contaminants from joint surfaces by sandblasting or mechanical abrading. Blow any dust, dirt and laitance out of the joint with oil-free compressed air prior to application. To prevent run out from cracks in the bottom of joints, apply a small amount of fine dry sand. Install full depth. Do not use with soft backer rod.

MIXING: Mixing ratio is 1:1 by volume. DO NOT DILUTE. Prior to mixing, condition both components to 60 to 85F (15.5 to 29.5C). After conditioning, de-rim both cans and mix all of component B with component A (being careful to scrape the sides and bottom of both containers to ensure removal of all material). Mix for 2 to 3 minutes to an even color. Use as soon as possible.

Pot Life varies with temperature. At higher temperatures, pot life is shorter, while at lower temperatures, it is longer. Mix by hand or variable low-speed drill (400-600 rpm) using a paint mixing paddle. Mixed material must not contain streaks or lumps. Product container provides complete information. Read and follow all instructions and precautions.

DISPENSING: Pour mixed material directly from the can. Best results are obtained using a closed barrel caulking gun. Fill joint to within 1/2" of the top and allow to settle. Within 15 to 30 minutes, apply a second layer flush with the floor, checking occasionally for low spots (due to seepage) or overfill the joint. Allow the material to cure until it is almost solid, then shave, grind or sand off the excess to the desired floor level.

CLEANUP: Prior to solidification, clean all tools and equipment with Toluene or Xylene. Spilled material must be collected with absorbent material and disposed of in accordance with local, state and Federal regulations. Remove solid material mechanically.

Precautions
All skin areas should be protected by clothing and gloves, as some persons may develop a skin rash from contact. Base components or mixed, uncured material, can produce irritation of the eyes. In case of eye contact, immediately flush thoroughly with water for at least 15 minutes. Seek immediate medical attention. Wash skin with soap and water if contact with skin is made. Do not use solvents.

See Product Material Safety Data Sheet for additional information.


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