Series N244

Ultra-Tread M

Generic Type

Polyurethane Modified Concrete

Common Usage

Ultra-Tread M is a low odor, mortar applied floor topping designed for monolithic applications in abusive service areas. It provides superior performance to other flooring systems such as acid brick, quarry tile and most polymer flooring systems. Designed for use in food and beverage facilities, pharmaceutical and processing areas, commercial and restaurant kitchens or anywhere a durable floor topping is required. Provides excellent chemical resistance and withstands thermal shock due to hot liquids and aggressive cleaning procedures. Areas may be quickly returned to service within hours of installation, depending on temperature and humidity. Ultra-Tread M is a self-priming mortar that can be applied to 10 day old concrete. It can withstand moisture vapor transmission up to 20 lbs (per ASTM F 1869) and relative humidity up to 99% (per ASTM F 2170).

Special Qualifications

Series N244 is formulated using a Phthalate and Phenol Free Bio-Based Environmentally Friendly Polyol. It meets requirements for use in USDA and FDA-regulated facilities. Formulated with antimicrobial properties. Does not support bacteria or fungal growth. Contact your Tnemec representative for specific test results.

Series N244 was tested in accordance with, and passed, the California Dept. of Public Health (CDPH) Standard Method v1.2 and meets the requirements of LEED v4.1 Low-Emitting Materials, Collaborative for High Performance Schools-Paints & Coatings, Living Building Challenge Materials Petal 10, and WELL Building Standard v2 X06 VOC Restrictions.

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Theoretical Coverage

42.0- 28.0 sq ft per small kit

Finish

Matte

Primers

Self-priming

Recommended DFT

Suggested 1/4” to 3/8" (6mm to 9 mm).

Volatile Organic Compounds

Parts A & B: 0.11 lbs/gallon (13.2 grams/litre)
Parts A, B & C: 0.03 lbs/gallon (4 grams/litre)

Number of Components

Three—Liquids: Part A & Part B, Aggregate: Part C

Surfacer/Filler/Patcher

Series N243, N244. Patching should be broadcasted to refusal with aggregate or re-prepared after being allowed to cure a minimum of six hours prior to placement of Series N244 to avoid blistering or doming. Series 215, 217, N218, or 201 or 208 mixed with fumed silica, may be used for small patches or crack repairs. Certain high-early strength, cementious repair mortars are also acceptable. Contact Tnemec for further qualifications.

Curing Time

Temperature Min. Recoat Light Traffic Place in Service †
75°F (24°C) 6 hours 8 hours 12 hours

† For full resistance to chemicals and steam cleaning, 24 hour cure is needed.
Curing time varies with surface temperature, air movement, humidity and film thickness. Note: For faster curing and low temperature applications, add No. 44-714 Ultra-Tread Accelerator, see separate product data sheet for cure information.

Topcoats

Series N244 is typically left as a stand-alone mortar without topcoating. If needed, use Series N222, 233, 237, 238, 239, N246, 252SC, 256, 257, 280, 280FC, 282. Note: These topcoats may only be used when recommended aggregate has been broadcast to refusal into the wet Series N244.

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