Polyurethane Modified Concrete
Ultra-Tread MVT is a low odor, slurry applied, high performance moisture control base layer designed to reduce moisture vapor emissions prior to the application of non-breathing, polymer floor topping finishes. Ultra-Tread MVT is a self-priming, base coat 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). Note: Series 241 must be broadcast to refusal with aggregate, color quartz or decorative flake typically completed within 10 to 15 minutes of application. Color quartz and/or decorative flake systems will require an additional broadcast layer using Series 222, 224, 237, 238, 256, 257 or 286, clear to obtain a uniform appearance and texture before applying the desired clear finish coats. This will typically result in a total system thickness of approximately 1/8".
Formulated with antimicrobial properties. Does not support bacteria or fungal growth. Contact your Tnemec representative for specific test results.
Series 241 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.View more product details
Product Data Sheets
Safety Data SheetsEmail this product
Series 222, 233, 237, 238, 239, 246, 247, 248, 252SC, 256, 257, 280, 280FC, 281, 282, 284, 285, 286, 290, 291, 294, 295, 296, 297. Note: These topcoats may only be used when recommended aggregate has been broadcast to refusal into the wet Series 241. 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 222, 233, 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 222, 233, 237 or 238 (clear), 256 (clear) or 284 is required.
Series 222, 223, 224, 233, 237, 237SC, 238, 239, 239SC, 252SC, 256, 257. Note: Series 241 must be broadcast to refusal with aggregate, colored quartz or decorative flake before topcoating. Broadcast aggregate or colored quartz at an approximate rate of 0.8 lb per sq ft and decorative flake at an approximate rate of 0.25 lb per sq ft or 4 to 5 sq ft per pound. The Series 241 base coat will account for approximately 1/8" of the desired system thickness.
46.0 to 52.0 mils (1168 to 1320 microns) applied neat. Film thickness, after broadcasting with aggregate, is approximately 1/8" (3mm). Refer to coverage rates table for more information. Note: Exceeding the recommended coating thickness may result in blistering of the product. Avoid excessive coating thickness by thoroughly filling voids, depressions and cracks with recommended filler or surfacer prior to Series 241 application.
Series 241 (extended with aggregate) or Series 243, 244. Patching should be allowed to cure a minimum of six hours prior to placement of the Series 241 to avoid blistering or doming of the Series 241. Series 215, 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.
Volatile Organic Compounds
Parts A & B: 0.05 lbs/gallon (5.6 grams/litre)
Parts A, B & C: 0.03 lbs/gallon (3.9 grams/litre)
70-80 sq ft (6.50-7.43 m²) per small kit
Number of Components
Three—Liquids: Part A & Part B, Aggregate: Part C
|Temperature||Min. Recoat||Light Traffic||Place in Service|
|75°F (24°C)||6 hours||8 hours||12 hours|
For full resistance to chemicals and heavy traffic, 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.
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