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  • DuPont™ Tyvek® DrainWrap™

DuPont™ Tyvek® DrainWrap™

Grooved Air and Water-Resistive and Air Barrier (WRB) Engineered to Enhance Drainage

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DuPont™ Tyvek® DrainWrap™

Grooved Air and Water-Resistive and Air Barrier (WRB) Engineered to Enhance Drainage

<br><b>DuPont™ Tyvek® DrainWrap™</b> offers excellent drainage and durability for residential construction. Vertical grooves on the surface of <b>Tyvek® DrainWrap™</b> make it a superior water-resistive barrier (WRB), engineered to channel bulk water away from the wall systems and drain safely to the outside. <br><br> Combined with the superior air and water resistance, vapor permeability and strength of the Tyvek® Brand,<b> Tyvek® DrainWrap™</b> provides enhanced drainage behind claddings such as primed wood (all six sides), fiber cement siding, and foam board applied over flat surfaces.
 
 
 
 
 
 

Features & Benefits 

 
 
 

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High Performance Durability
  • Outperforms other textured water-resistive barriers in tests involving bulk water application.
  • Provides superior sustained performance compared to Grade D building paper and #15 felt.
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Temperature and UV Resistance
  • Withstands up to four months (120 days) of UV exposure.
  • Maximum in-service temperature of 180° F.
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Air and Water Barrier Performance
  • Helps hold out bulk water, while allowing water vapor to pass through it, promoting drying in the wall system, which can help prevent mold and water damage.
  • Unique non-woven structure helps prevent air movement through walls, contributing to a more energy efficient building.
  • Type I air barrier per ASTM E1677.
  • Offers > 98% drainage efficiency when tested in accordance with ASTM 2273.
  • Meets ASTM E2556, Type II standards for vapor permeable flexible sheet water-resistive barriers.
  • Pliable, wraps around corners with ease.
  • Lightweight, easy to handle, and faster to install than the average house wrap.
  • Flexible, easily interfaces at joints and over architectural elements.
  • Minimizes seams and helps reduce labor costs.
  • Maintains constant drainage rate, even after repeated wetting and drying cycles.
 
 
 

Specifications

 
 
 

Standard Sizes

Unit Width Length
Roll 9 ft. 125 ft.
Roll 10 ft. 125 ft.
 
 
 

Testing

<b>Tyvek® DrainWrap™</b> exhibits the properties and characteristics indicated in the table below when tested as represented. Review all instructions and (Material) Safety Data Sheet ((M)SDS) before use. Please contact your local DuPont™ Tyvek Specialist before writing specifications around this product. Product properties are as follows:

TEST METHOD TEST TITLE PROPERTY RESULTS
AIR
ASTM E1677 Standard Specification for Air Barrier (AB) Material or Assemblies for Low-Rise Framed Building Walls Air Penetration Resistance Type 1
cfm/ft2 @ 1.57 psf
ASTM E2178 Standard Test Method for Determining Air Leakage Rate and Calculation of Air Permeance of Building Materials Air Penetration Resistance .004 cfm/ft2
@ 1.57 psf
TAPPI T460 Air resistance of paper (Gurley method) Air Penetration Resistance >300 sec/100cc
FIRE
ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials Surface Burning Characteristics Class A Index Flame Spread = 5
Smoke Developed = 25
STRENGTH
ASTM D882 Standard Test Method for Tensile Properties of Thin Plastic Sheeting Breaking Strength 30/30
lbs/in
ASTM D1117 Standard Guide for Evaluating Nonwoven Fabrics Tear Resistance 7/9 lbs
TAPPI T-410 Grammage of Paper and Paperboard (Weight per Unit Area) Basis Weight 2.1 oz/yd2
WATER
AATCC 127 Test Method for Water Resistance: Hydrostatic Pressure Water Penetration Resistance 210 cm
ASTM E2273 Standard Test Method for Determining the Drainage Efficiency of Exterior Insulation and Finish Systems (EIFS) Clad Wall Assemblies Drainage Efficiency ICC-ES AC 24 Section 6.11 ICC-ES AC 235 Section 4.5 >98%
Pass
Pass
ASTM E2556 Standard Specification for Vapor Permeable Flexible Sheet Water-Resistive Barriers Intended for Mechanical Attachment Vapor Permeability (Type II Compliant) Pass
ASTM E96 Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials Water Vapor Transmission Method A 250 g/m2-24 hrs
36 perms
ASTM E96 Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials Water Vapor Transmission Method B 350 g/m2-24 hrs
50 perms
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

FAQ

What’s the difference between DuPont™ Tyvek® CommercialWrap® D and DuPont™ Tyvek® DrainWrap™?
Each of the WRBs help with drainage, with both having a 98% or greater drainage efficiency per ASTM E2273. The major difference between the two WRBs is the UV exposure. Tyvek® CommercialWrap® D can be left exposed for 9 months while Tyvek® DrainWrap™ has a 4-month UV exposure. These UV exposure limits were designed for the products applications. CommercialWrap® D is typically used on commercial projects while DrainWrap™ is used on residential projects. For additional information regarding application and use refer to the installation guidelines for the applicable project type.
Can DuPont™ Tyvek® DrainWrap™ be used under brick?
Yes. It is perfectly acceptable to use DuPont™ Tyvek®DrainWrap™ under brick.It is also acceptable to use Tyvek® HomeWrap® and Tyvek® CommercialWrap® in this application. When using Tyvek® WRBs under brick, it is important to follow the brick manufacturer’s guidelines regarding the use of an air space between the brick veneer and sheathing. Typically, this space is 1-2 inches, and will act as a drainage plane if incidental moisture penetrates the brick, in addition to ventilating behind the cladding, which aids in drying of the wall assembly.
 
 
 
 
 
 

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