13007268 - Laserfiche WebLink

Home Browse Search

• Application Instructions For Backstop NT For Use Beneath Claddings Other Than Dryvit EIFS DS300 tie CHECKLIST PRIOR TO THE INSTALLATION OF BACKSTOP NT—TEXTURE, SMOOTH and SPRAY Project Conditions • Maximum storage temperature shall not exceed 100 °F (38°C). Minimum storage temperature shall not be less than 40°F (4 °C). • Air and surface temperatures for application of Backstop NT materials must be from 40°F(4°C) minimum to 100°F (38°C) maximum and must remain so for a minimum of 12 hours thereafter. • Ensure that all roof-to-wall fleshings, wall to deck fleshings, run-off diverters(i.e. kick-outs), or other penetration flashings, are installed where required to direct water to the exterior of the building envelope. Particular attention must be paid to the eaves/chimney intersections, sloped roof/wall intersections, decks and windows. • Ensure that all windows, doors and other openings are properly wrapped with Dryvit AquaFlash® System or Dryvit Flashing TapeTM. • Application of Backstop NT products shall not take place during inclement weather unless appropriate protection is provided. • Protect materials from inclement weather until they are completely dry. • Protect surrounding areas and surfaces during installation of the Backstop NT. • Backstop NT can be exposed to weather up to 180 days to provide sufficient time for installation of the cladding. Inspect the surface of the Backstop NT for any damage, cracks, voids or other detrimental conditions and repair prior to installation of the cladding. MATERIALS USED WHEN INSTALLING DRYVITS BACKSTOP NT—TEXTURE, SMOOTH and SPRAY Materials Supplied by Dryvit Systems, Inc. [�I • Dryvit Backstop NT-Texture(Required for sheathing joint treatment) • Dryvit Backstop NT- Smooth • Dryvit Backstop NT- Spray • Dryvit Grid Tape" (Required for sheathing joint treatment) • Dryvit AquaFlash®Liquid and AquaFlash® Mesh (if specified) • Dryvit Flashing TapeTM (if specified) • Dryvit Flashing Tape Surface Conditioner" (if specified) Materials Not Supplied by Dryvit Systems, Inc. • Sealant conforming to ASTM C 920 TOOLS USED FOR THE INSTALLATION OF DRYVITS BACKSTOP NT—TEXTURE, SMOOTH and SPRAY • 3/4 in (19 mm) nap roller • 1/2 in (13 mm) nap roller • FoamPro#58 Roller • Texture spray equipment for Backstop NT Texture and Smooth (if needed) • Hawk and Trowel for Backstop NT Texture • Airless Spray Equipment required for Backstop NT—Spray • Sealant gun Scope �r This document provides the necessary instructions for the application of Backstop NT and its related 4 components to complete the characteristics of a water-resistive barrier/air barrier/vapor barrier (retarder). 2