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Backstop NT For Use Beneath Claddings Other Than Dryvit EIFS Specifications DS200 <br /> DRYVIT SYSTEMS, INC. <br /> MANUFACTURER'S SPECIFICATION <br /> CSI MASTERFORMAT SECTIONS 07 25 00,07 26 13,07 27 26 <br /> DRYVIT BACKSTOP NT FOR USE BENEATH CLADDINGS OTHER THAN DRYVIT EIFS <br /> PART I -GENERAL <br /> 1.01 SUMMARY <br /> A.This document contains all the manufacturer's requirements for the proper design, use, and installation of the <br /> Dryvit Backstop NT-Texture, Smooth, and Spray air/water-resistive barrier. This document is intended to be <br /> used in conjunction with: <br /> 1. Backstop NT Application Instructions For Use Beneath Claddings Other Than Dryvit EIFS. DS300 <br /> 2. Backstop NT Product Data Sheet For Use Beneath Claddings Other Than Dryvit EIFS, DS806 <br /> 3. Backstop NT AirlWater-Resistive Barrier Details, DS840 <br /> B. Related Sections <br /> 1.Water-Resistive Barriers—Section 07 25 00 <br /> 2.Vapor Retarders—07 26 13 <br /> 3.Air Barriers—07 27 26 <br /> 1.02 REFERENCES <br /> A. Section Includes <br /> 1. ASTM C 297 Standard Test Method for Flatwise Tensile Strength of Sandwich Constructions <br /> 2. ASTM C 1177 Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing <br /> 3. ASTM C 1396(formerly C 79) Standard Specification for Gypsum Board <br /> 4.ASTM D 522 Standard Test Methods for Mandrel Bend Test of Attached Organic Coatings <br /> 5.ASTM D 1970 Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used <br /> as Steep Roofing Underlayment for Ice Dam Protection <br /> 6.ASTM D 2370 Standard Test Method for Tensile Properties of Organic Coatings <br /> 7.ASTM D 2247(Federal Test Standard 141A Method 6201) Standard Practice for Testing Water <br /> Resistance of Coatings in 100% Relative Humidity <br /> c 8.ASTM E 72 Standard Methods for Conducting Strength Tests of Panels for Building Construction <br /> 9.ASTM E 84 Standard Test Method for Surface Burning Characteristics of Building Materials <br /> 10.ASTM E 96 Standard Test Methods for Water Vapor Transmission of Materials <br /> 11.ASTM E 283 Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, <br /> Curtain Walls and Doors Under Specified Pressure Differences Across the Specimen <br /> 12.ASTM E 331 Test Method for Water Penetration of Exterior Windows, Skylights, Doors and Curtain Walls <br /> by Uniform Static Air Pressure Difference <br /> 13.ASTM E 1233 Standard Test Method for Structural Performance of Exterior Windows, Curtain Walls and <br /> Doors by Cyclic Air Pressure Differential <br /> 14.ASTM E 2178 Standard Test Method for Air Permeance of Building Materials <br /> 15.ASTM E 2357 Standard Test Method for Determining Air Leakage of Air Barrier Assemblies <br /> 16. ASTM E 2134 Test Method for Evaluating the Tensile-Adhesion Performance of Exterior Insulation and <br /> Finish Systems(EIFS) <br /> 17. ASTM E 2485(formerly EIMA Std. 101.01)Standard Test Method for Freeze-Thaw Resistance of Exterior <br /> Insulation and Finish Systems(EIFS)and Water-Resistive Barrier Coatings <br /> 18. ASTM E 2570 Standard Test Methods for Evaluating Water-Resistive Barrier(WRB)Coatings Used under <br /> Exterior Insulation and Finish Systems(EIFS)or EIFS with Drainage <br /> 19.AATCC Test Method 127-2008 Water Resistance: Hydrostatic Pressure Test <br /> 20. Federal Specification TT-C-555B Resistance to Wind-Driven Rain <br /> 1.03 DEFINITIONS <br /> A. Contractor:The contractor that applies the Backstop NT Texture, Smooth, and Spray to the substrate. <br /> B. Sheathing:A substrate in sheet form. <br /> C. Substrate: The material to which the Backstop NT is applied. <br /> D. Substrate System:The total wall assembly including the attached substrate to which the Backstop NT is <br /> applied. <br /> E.Air/VVater-Resistive Barrier Materials:A combination of Backstop NT and Dryvit Grid Tapa'M with AquaFlash® <br /> Liquid and AquaFlash®Mesh or Dryvit Flashing lapeTM and Flashing Tape ConditionerITM. <br /> 2 <br />