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.

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Recommended DFT

Primer: 6.0 to 12.0 (150-305 microns) per coat.
Broadcast: 1/16" to 1/8" (Double broadcast or slurry broadcast required to achieve 1/8")
Mortar: Suggested 1/4” (Minimum of 1/8”, Maximum of 1”)
Grout coat: 8.0 to 16.0 mils (203 to 406 microns)
Intermediate or Topcoat: 8.0 to 16.0 mils (203 to 406 microns)


Series 206, 206SC, 237, 238, 247, 248, 252SC, 256, 280, 281, 282, 284, 285, 286, 287, 290, 291, 294, 295, 296, 297. Note: If Series 247 (tinted), 248 (tinted), 290, 291 or 297 is selected for the finish coat over a broadcast system, a grout coat of Series 237 or 238 (tinted), 256 (tinted), 280 or 281 is required. If Series 247 (clear), 248 (clear), 285, 294, 295 or 296 is selected for the finish coat over a broadcast system, a grout coat of 237 or 238 (clear), 256 (clear) or 284 is required.

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 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.

Volume Solids

100% (mixed)


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

Volatile Organic Compounds

Unthinned: 0.25 lbs/gallon (30 grams/litre)
Thinned 5% (No. 2 Thinner): 0.58 lbs/gallon (70 grams/litre)


Unthinned: 0.0 lbs/gal solids
Thinned 5% (No. 2 Thinner): 0.37 lbs/gal solids

Theoretical Coverage

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

Curing Time

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

Note: If more than 24 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.

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