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Backstop NT DS455 Y CMU shall be clean, unpainted Backstop NT Application Refer c. One coat of Backstop NT and free of efflorescence.All to the usage/application chart for —Texture,trowel substrates shall be dry and free the appropriate use and applied. of foreign materials such as dirt, application technique for a given d. Shall not be used below dust, oil, paint, wax, water substrate. grade or on surfaces that repellents or other materials that will be subjected to inhibit adhesion. Clean Up water immersion. • All substrate transitions and gaps Clean tools with water while material e. Shall not be used to treat between openings and is still wet. holes or sheathing joints penetration components such as exceeding 6.4 mm windows, doors,electrical boxes, Storage (1/4 in). etc., shall be treated with Backstop NT must be stored at a f. When used beneath Portland Backstop NT-Texture, Dryvit minimum of 40"F (4 ° C)and a cement stucco or adhered AquaFlash®,or Dryvit maximum of 100 °F (38"C) in stone products, paper backed FlashingTapeT". Any sealants tightly sealed containers lath shall be installed over used shall be tested for protected from weather and out of Backstop NT as a slip sheet. compatibility and comply with direct sunlight. • Backstop NT can be exposed to ASTM C 920. weather up to 180 days to • All opening terminations, Cautions and Limitations provide sufficient time far roof/wall intersections, • Apply to acceptable substrates installation of the cladding. transitions between different only. Inspect the surface of the materials, chimneys, decks, roof, • Avoid applying Backstop NT in Backstop NT for any damage, windows, etc., must be properly direct sunlight. Always work cracks,voids or other flashed,wrapped and sealed as on the shady side of the wall or detrimental conditions and repair required by the building code, protect the area with prior to installation of the good construction practice appropriate shading material. cladding. The Backstop NT and/or Dryvit Backstop NT • CMU-Application over surface shall be dean, dry and Application Instructions, DS181. unpainted concrete and CMU free of any detrimental 41.11 requires one of the following: conditions that may affect Mixing a. Two coats of Backstop adhesion. Material is ready for use after an NT-Texture, spray or initial spin-up using a drill with roller-applied. Technical and Field Service paddle mixer. DO NOT ADD b. Two coats of Backstop Available on request. CEMENT. NT-Spray. Cr 2