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Backstop NT DS455 <br /> Backstop®NT'—Texture,Smooth and Spray Testing <br /> Test Test Method Criteria Results <br /> Surface Burning ASTM E 84 Flame Spread<25 Passed <br /> Characteristics Smoke Developed<450 <br /> Flexibility ASTM D 522 Method B No ICC or ANSI/EIMA Criteria No cracainq at 2 mm diameter <br /> Water Vapor ASTM E 96 Procedure B' Vapor Permeable Backstop NT:7 Perms2 <br /> Transmission Backstop NT-Spray: <br /> 7 9 Perms2 <br /> Freeze-Thaw Resistance ASTM E 2485 Method B' No deleterious effects after 10 cycles' Passed-10 cycles:No <br /> deleterious effects' <br /> Water Resistance ASTM D 2247' 14 days exposure No deleterious effects'after 14 <br /> No deleterious effects' days exposure <br /> Tensile Strength and ASTM D 2370 No ICC or ANSI/EIMA Criteria Tensile strength:160 psi <br /> Elongation Elongation: 16.8% <br /> Wind Driven Rain Fed TT-C-555 No ICC or ANSI/EIMA Criteria No water penetration <br /> Nail Sealability ASTM D 1970 No ICC orANSI/EIMA Criteria Passed ABAA Criteria <br /> Air Leakage ASTM E 283 No ICC or ANSI/EIMA Criteria 0.002 cfmfft2(0.01 Vsec'm2) <br /> Air Permeance ASTM E 2178 No ICC or ANSI/EIMA Criteria 1.2x104 cfm/fts @ 1.6psf <br /> (0.00061/s/m2 @ 75Pa) <br /> Air Barrier Assembly ASTM E 2357 No ICC or ANSI/EIMA Criteria <0.001 cfm/ft1 @ 6.24 psf <br /> (0.05 Vsec m2 @300 Pa) <br /> Structural Performance ASTM E 1233 Procedure A' Minimum 10 positive cycles at 1/240 Passed <br /> deflection;No cracking in field,at <br /> joints or interface with flashing. <br /> Racking ASTM E 72' No cracking in field,at joints or Passed <br /> interface with flashing at net deflection <br /> of 1/8 in(3.2 mm) <br /> Restrained ICC-ES Procedure' 5 cycles;No cracking in field;at joints Passed <br /> Environmental or interface with flashing <br /> Water Penetration ASTM E 331' No water penetration beyond the Passed <br /> inner-most plane of the wall after <br /> 15 minutes at 2.86 psf(137 kPa) <br /> Tensile Bond ASTM C 297/E 2134' ICC and ANSI/EIMA 99-A-2001 Substrates:Minimum <br /> C - - Minimum 15 psi(104 kPa) 19 psi(131 kPa) <br /> Flashing:Minimum <br /> 431 psi(2970 kPa) <br /> Weathering <br /> UV Exposure ASTM D 2898 Method B' 210 hours of exposure Passed <br /> Accelerated Aging ICC ES Procedure' 25 cycles of wetting and drying Passed <br /> Hydrostatic Pressure AATCC 127' 21.6 in(549 mm)water column for Passed <br /> Test 5 hours <br /> VOC Regulatory Meets South Coast Air Quality Less than 5 g/L <br /> Management District(SCAQMD) <br /> Requirements <br /> Volume Solids Calculated N/A Smooth: 60% <br /> Spray: 60% <br /> Texture' 64% <br /> Weight/Gal Calculated N/A Smooth: 12 lb/gal <br /> Spray: 12 lb/gal <br /> Texture: 14 lb/gal <br /> ASTM E 2570 Standard Test Method for Evaluating Water-Resistive Barrier(WRB)Coatings Used Under Exterior Insulation and Finish <br /> Systems(EIFS)or EIFS with Drainage;also referred to as AC212—Acceptance Criteria for Water-Resistive Coatings Used as Water- <br /> Resistive Barriers over Exterior Sheathing <br /> 1.No cracking,checking,rusting,crazing,erosion,blistering,peeling,or delamination when viewed under 5x magnification <br /> 2.Defined as a Class III vapor retarder per the 2009 IBC and IRC <br /> Dryvit Systems.Inc. Information contained in this product sheet conforms to the standard <br /> One Energy Way detail recommendations and specifications for the installation of Dryvit <br /> West Warwick,RI 02893 Systems,Inc.products as of the date of publication of this document dryvit <br /> (800)556-7752 and is presented in good faith.Dryvit Systems,Inc assumes no <br /> liability,expressed or implied,as to the architecture,engineering or A <br /> workmanship of any project.To ensure that you are using the latest, <br /> most complete information,contact Dryvit Systems,Inc. <br /> For more information on Drvvit Systems or Continuous Insulation,visit <br /> IL these links. <br /> Pnnted in USA. Issued ll 0916 4 <br /> DryVil Systems,Inc 2000 <br />