Series 237


Generic Type

Modified Polyamine Epoxy

Common Usage

A multi-purpose epoxy coating that can be used as a primer, broadcast, slurry/broadcast, mortar, grout coat, and topcoat. Excellent application properties with good flow and self-leveling characteristics. Protects concrete surfaces from impact, abrasion and has very good chemical resistance.

Special Qualifications

Series 237 meets the requirements of LEED-Low-Emitting Materials, Collaborative for High-Performance Schools-Paints & Coatings, WELL Building Standard-VOC Restrictions, and Living Building Challenge–Healthy Interior Performance. Contact your Tnemec representative for more information.

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Self-priming or Series 201, 205, 208, 233, 238, 241

Theoretical Coverage

1,604 mil sq ft/gal (39.4 m²/L at 25 microns). See APPLICATION for coverage rates.


Series 206, 215. Note: A repair kit of 201, with Part C fumed silica, is available for small patching/surfacing repairs. For more extensive repairs and additional information, contact your Tnemec representative or Tnemec Technical Services.

Volatile Organic Compounds

Unthinned: 0.21 lbs/gallon (25 grams/litre)
Thinned 5% (No. 2 Thinner): 0.58 lbs/gallon (70 grams/litre)

Number of Components

Liquids–Two: Part A and Part B (2 parts A to 1 part B by volume)
Field Colorant–One: (optional) (Series 820)
Note: Aggregate for mortar applications (S237-0301C) is available from Tnemec or can be purchased from an approved supplier.


Series 233, 237, 238, 247, 248, 256, 257, 280, 280FC, 281, 282, N284, N285, 286, 287, V290, 296, 297. Note: If Series 247, 248, N285, 296, or 297 is selected for the finish coat, an intermediate coat of Series N284 is required. Note: Series 237 must be broadcast to refusal with silica sand, colored quartz, or flake prior to topcoating with Series 256 or 257.

Recommended DFT

Primer: 6.0 to 12.0 (150 to 305 microns) per coat.
Broadcast: 1/16" to 1/8" (Double broadcast or slurry broadcast required to achieve 1/8")
Mortar: 3/16" to 1/4” (Minimum of 1/8”, Maximum of 1”)
Grout coat: 8.0 to 16.0 mils (205 to 405 microns)
Intermediate or Topcoat: 8.0 to 16.0 mils (205 to 405 microns)

Curing Time

Temperature To Topcoat/Broadcast To Place in Service
75°F (24°C) 12 to 72 hours 24 hours

Note: If more than 72 hours have elapsed between coats, the coated surface must be mechanically abraded before topcoating. Note: There is no maximum recoat time if aggregate has been broadcast to refusal into the preceding coat. Curing time varies with surface temperature, air movement, humidity and film thickness.

Volume Solids

100% (mixed)


Unthinned: 0.07 lbs/gal solids
Thinned 5% (No. 2 Thinner): 0.37 lbs/gal solids

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