DuPont™ Tyvek® air and water barriers help maintain the installed R-Value of insulation by limiting air movement and providing an added layer of water protection. Double-pane windows, or the way a Thermos® bottle is constructed, are two good examples of how trapped air can keep what’s inside warm or cool. Wall insulation works the same way.

A non-woven, breathable structure that stands apart from other types of house wraps, Tyvek® HomeWrap® promotes drying in wall systems and helps insulation perform closer to its R-value. DuPont ™ Tyvek ® HomeWrap ® is the original house wrap, incorporating unique material science that helps keep air and water out, while letting water vapor escape.

Effective in any season, Tyvek® ThermaWrap® LE protects against heat loss in the cold weather and keeps heat out in when the temperature rises. A low-emission surface helps to raise R-values for wall assemblies.

A home with DuPontTM Tyvek®, as shown in the chart, will maintain 94% of its installed R value, compared to 37% for a home without it. What is Tyvek’s R rating? DuPontTM Tyvek® ThermaWrapTM R5 0 has a unique structure that provides the ideal balance of air and moisture management with an R-value of 5.0.

As shown in the chart, a home wrapped in DuPontTM Tyvek® will maintain 94% of its installed R-value, compared to only 37% for a home without Tyvek®. Ask your builder or remodeler to install Tyvek® HomeWrap® from DuPont. It’s a choice you can comfortably live with for years to come.

ThermaWrap™ R5.0 uses a blanket insulation made of polyester and polyolefin fibers and will produce an R5.0 insulating value at a thickness of 1.5 inches. For more information about DuPont™ Tyvek is combustible and should Tyvek® Weather Barrier Systems, please call 1-800-44-Tyvek or visit us at www.Construction.Tyvek.com

DUPONT™ TYVEK™ THERMAWRAP ™ R5.0 This fact sheet contains important details about DuPont™ Tyvek® ThermaWrap ™ R5.0, a durable, insulating, vapor permeable water resistive and air barrier. Read it carefully. TYPE OF INSULATION Blanket R-Value Length Width Thickness Sq. Ft. of Insulation in Package 5.0 40' 4' 1.5' 160 ft2 READ THIS ...

DuPont™ Tyvek® ThermaWrap ™ LE helps increase the effective R-value of a wall system by helping reduce radiant heat flow and shrinking thermal bridges, thereby minimizing both summer heat gain and winter heat loss. Like other DuPont™ DuPont™ Tyvek® ThermaWrap™ LE is designed to manage Tyvek® products, such as Tyvek® HomeWrap®,

Provides continuous exterior insulation (CI), increasing the R-value of the wall while reducing thermal bridging. Replacement windows and doors and penetrations can be easily flashed using available DuPont Flashing Systems. Significantly reduces Home Energy Rating System (HERS) scores in various climate zones.

Helps protect the insulation’s installed R-value by reducing air leakage through the wall. When installed with an air-space the metallic surface provides thermal management which increases the wall’s effective R-value up to R-2 as shown in Figure 1.