Series 291


This product has been discontinued. Please contact your local sales representative for further assistance.

Generic Type

Aliphatic Polyester Polyurethane

Common Usage

Extremely hard, chemical-resistant polyurethane floor coating with superb flow characteristics. Excellent resistance to abrasion, wet conditions, corrosive fumes and chemical contact. Gloss and color retention among the best of air dried finishes. Note: For horizontal surfaces only.




Available in the 16 standard StrataShield colors and limited custom colors. Contact Tnemec Company for availability. Note: Certain colors may require multiple coats depending on method of application and finish coat color. When feasible, the preceding coat should be in the same color family (blue, gray, etc.), but noticeably different.


Series 104, 205, 210, 237, 238, 239, 280, 281, 287
Note: Before topcoating with Series 291, any Tnemec epoxy exterior exposed for more than three weeks must be scarified or reprimed with itself. Mechanically abrading or power-sanding is the preferred method of scarification. The maximum recoat time of Series 210, 237, 238, 239, 280 and 281 is 24 hours. Refer to those product data sheets for more information. Note: Scarification using a power sander and 100 grit sandpaper, No. 60 mesh sanding screen or a coarse stripping pad is required if topcoating Series 291 with itself. Note: When applying Series 291 over a broadcast or mortar system, an epoxy grout coat is required.

Volume Solids

62% ± 2.0% (mixed) †


Horizontal Concrete: Series 201, 203, 205, 280, 281, 287.

Curing Time

Temperature Min. Recoat To Service Chemical Resistance
75°F (24°C) 12 hours 24 hours 7 days

Curing time varies with surface temperature, air movement, humidity and film thickness.

Recommended DFT

2.0 to 3.0 mils (50 to 75 microns) per coat. Note: Number of coats will vary depending on color, substrate (surface) and other variables. Contact your Tnemec representative.

Volatile Organic Compounds

Unthinned: 2.91 lbs/gallon (348 grams/litre)
Thinned 15%: 3.34 lbs/gallon (401 grams/litre) †

Theoretical Coverage

994 mil sq ft/gal (24.4 m²/L at 25 microns). See APPLICATION for coverage rates. †

Number of Components

Two: Part A and Part B (2.5 Parts A to 1 Part B by volume)

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Color Swatch packet

When you finish selecting, request your Swatch Packet below. Expect your swatch cards in 5-7 business days. Contact your expert Sales Rep at any time.

Sorry, there is a maximum of 6 color swatches.

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