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BASIC USES: EPO Joint Sealant is a 100% solids, non-shrinking, semi-rigid epoxy compound for the sealing of control joints, construction joints and cracks in concrete floors. This sealant resists the chipping of joint edges caused by steel wheeled or heavy traffic on industrial floors while providing excellent flexibility and impact resistance. The high percentage of elongation of EPO Joint Sealant allows for the proper function of control joint systems and repair of spalled or broken joint edges.

EPO Joint Sealant is furnished in a self leveling, pour grade which cures overnight, ready for use in most conditions. It is most suitable for application to dry surfaces, but will cure in damp or moist conditions.

LIMITATIONS: Joints or cracks to be sealed should,

a) be at least 50° F,
b) be clean and dry,
c) be structurally sound, and
d) adequate ventilation must be provided.

EPO Joint Sealant should not be used in joints subject to extreme movement, or as a replacement for flexible, soft joint sealants in true expansion joints.

APPLICABLE STANDARDS: When repairing, coating or resurfacing floors and other structural surfaces subject to incidental food contact operating under the Federal Meat and Poultry Products Inspection Program, notify FSIS inspector prior to installation.

CHEMICAL RESISTANCE: EPO Joint Sealant resists corrosion due to spillage of most generally used acids, alkalies, salts and organic compounds

Alkalies: Caustic, pot ash, ammonia, lime, soda ash and others.

Mineral Acids: Sulphuric acid, phosphoric acid, hydrochloric acid.

Organic: Petroleum, coal tar thinners, turpentine  and others.

Salts: Alkalines, acid and neutral
Oxidizing Acids and Salts: Up to 15% nitric, chromic peroxide and bleach.

Water: Tap, distilled, di-ionized.
Foods and Organic Compounds: Sugar, mineral oils and greases, vegetable and animal fats and oils. Cheese, Detergent, soap.

Beverages: Milk, fruit and vegetable juices.


PREPARATORY WORK: No primer is required  prior to installing  EPO Joint Sealant. Cracks,  saw cuts and construction joints  in concrete  should be  ground  out, chipped, swept, washed  or  sandblasted  and air blown  as needed to provide  as clean and dry a surface as   possible.

METHODS: EPO Joint Sealant may be hand poured or gunned into joints and cracks as applicable. This sealant will flow and selflevel and should be installed to full depth of joint (no backer rod is to be used). Joints with cracks entirely through the slab may require that a small amount of sand be put in joint at the point of seepage and material be allowed to harden. Low spots will require additional applications. Slabs with through cracks, which are accessible f:·om the underside, may require underside sealing with EPO Patch LTC or EPO 114 Adhesive Gel prior to filling from top.

EPO Joint Sealant will reach initial cure in approximately 6 to 8 hours at 75° F, but should be allowed to cure thoroughly for approximately 24 hours before returning to use under steel or hard wheeled traffic. Rubber tired or foot traffic may be resumed as soon as sealant is hard and tack free to touch. Concrete should be allowed to cure for a minimum of 30 to 60 days before installing EPO Joint Sealant.

APPLICATION: Joints and cracks should be poured completely full, and a slight overpour is recommended for complete edge protection of saw cut edges.  Excess material may be removed
by wiping with suitable solvent such as lacquer thinner before EPO Joint Sealant has hardened. Overpoured joints may also be leveled by allowing joint sealant to reach a green or partially cured rubbery state. At this point, excess material may be easily removed using a sharp putty knife or razor knife.

Joint edges may be taped with masking tape prior to application for maximum uniformity and neatness: however, tape should be removed before sealant has hardened. Hardened, excess sealant may be removed by grinding.

MIXING: EPO Joint  Sealant should be mixed  with a low speed electric  drill and mixer  0r hand mixed thoroughly with mixing paddle for 3 to 5 minutes. Mix each component separately before  combining.   Care should be taken  to  scrape the  sides and bottoms  of mixing containers.

EPO Joint Sealant is mixed one part Component A to one part  Component  B by volume.  Do not  mix more than  may be applied in  1 hour at 75°  F.

EPO Joint Sealant should be mixed neat with no additional fillers, except in conditions where floors have extreme slopes.  Under these conditions, sealant may have a tendency to run.
Approximately one volume of silica flour should be added, in extreme slope conditions, for every volume of mixed sealant. Silica flour should be stirred or mixed into mixed sealant with a low speed electric drill and mixed until a uniform, lump free mix is obtained.

EQUIPMENT CLEAN UP: Clean tools and equipment immediately with commercial grade lacquer thinner.  Methyl Ethel Ketone is excellent.

PRECAUTIONS: EPO Joint Sealant is not flammable: however, the cleaning solvent i<::. keep solvent away from heat or open flame. Avoid pilot lights. Avoid prolonged contact with skin and breathing of vapor or mist from either epoxy or solvent. Use both with adequate ventilation. Keep solvent and sealant out of reach of children. Store at room temperature. Do not allow product to freeze.


The manufacturer warrants that the material meets the specifications listed, and limits any warranty to the replacement of materials only. Shelf life of separate components is one (1) year, when stored at room temperature (approximately 75°F), in tightly closed containers.

The information contained in the specification is based on data obtained by our own research and is considered accurate. However, no warranty is expressed or implied regarding the accuracy of this data or the results to be obtained from the use of this data or product. This information is furnished and EPO Joint Sealant sold upon the condition that the person receiving it shall make his own test to determine the suitability of the material for his particular purpose.

Color Available: Medium Grey, Light Grey, Tile Red

This product is for application to surfaces 50°F and higher. For application whose temperature is 34°F and higher, or in higher temperature areas where fast cure is required (2-4hrs.) use EPO Join Sealant LTC Kit.

Available in:
  • 1 Gal. Unit ($75.30)

  • 2 Gal. Unit ($143.16)

  • 10 Gal. Unit ($678.10)


    Available Options: