Dryvit Demandit Smooth and Demandit Sanded are 100% acrylic coatings, which are offered in a variety of standard and custom colors. Demandit Smooth and Sanded contain the most effective ingredients available to help resist mold and mildew growth (PMR). Questions? Contact Us.
Dryvit Demandit Smooth and Sanded are durable coatings, which may be used to change the color of an existing Dryvit or other acrylic textured finish. They can also be used to protect and decorate concrete, masonry, stucco, wood and primed metal.
Drying Time: Drying time of Demandit Smooth and Sanded is dependent on the air temperature and relative humidity. Under average drying conditions [70 °F (21 °C), 55% R.H.], Demandit Smooth and Sanded are dry to the touch in 1/2 hour and ready to recoat in 2 hours. Protect work from rain for at least 24 hours. Water Vapor Transmission (ASTM E 96): The Dryvit finishes are permeable to water vapor.
Accelerated Weathering (ASTM G 155): 5000 hours. No deleterious effects. Mildew Resistance (ASTM D 3273): Passes.
Job Conditions: Air and surface temperature for application of Demandit Smooth and Sanded must be 45 °F (7 °C) or higher and must remain so for at least 12 hours.
Surfaces shall be clean, dry, above 45 °F (7 °C) and free of efflorescence, grease, oil, form release agents and curing compounds. On previously painted surfaces, all loose, peeling and chalking paint must be removed and all gloss must be removed by sanding. Clean substrate with household detergent. Flush wall thoroughly with clean water. Prime porous surfaces with one coat Dryvit Color Prime. Concrete block shall be coated with a suitable block filler.
• Metal Surfaces: Must be primed with a corrosion resistant primer.
• Dryvit Finishes: Freshly applied finishes must dry a minimum of 24 hours under average drying conditions. Existing Dryvit finishes should be cleaned prior to painting. See Dryvit publication, DS152 for recommended procedures.