DuPont™ Residential Sealant®

Residential | Multifamily | Wall | Window & Door

Keep wind and water where they belong

A durable, flexible seal around windows and doors helps prevent water and air intrusion and makes homes more durable and energy efficient.


DuPont™ Residential Sealant®

DuPont™ Residential Sealant is a durable, highly flexible window sealant for use in general residential construction. It is formulated to bond well with DuPont™ Tyvek®, weather barriers, and other DuPont construction products, as well as most common building materials.

As an integral part of a complete building envelope system, DuPont™ Residential Sealant helps control both air and water intrusion, to help make homes more comfortable, prevent water damage, and reduce heating and cooling costs.


Features & benefits

Feature Benefit
Excellent adhesion to wide variety of construction materials and building components
  • All DuPont™ Flashing Systems having DuPont™ Tyvek® top-sheets
  • All DuPont™ residential and commercial weather barrier products
  • Durable and flexible
  • Accommodates ±25% movement of original joint dimension when installed in a properly designed weatherseal joint
  • Excellent weatherability
  • Virtually unaffected by sunlight, rain, snow, and ozone
  • Can withstand temperature extremes of -20°F (-29°C) to 180°F (82°C)
  • Easy to use
  • Excellent gunnability down to 32°F (0°C)
  • Very easy tooling
  • Low-odor sealant (mild sweet acrylic)

    Physical properties

    Method Unit Value
    Extrusion (viscosity) ASTM C731 grams/sec (@75°F/50psi) > 15
    Cyclic Movement ASTM C719 % 50 (+/-25)
    Elongation ASTM D2370 % > 800
    Tensile Strength ASTM D2370 psi > 150
    Low Temperature Flexibility 180° bend (1/2” mandrel) @ -15°F ASTM C793 Pass/Fail Pass
    Peel Adhesion (5 PLI passes test) ASTM C794 Pass/Fail Pass
    Peel Adhesion, Glass ASTM C794 PLI 25-28
    Peel Adhesion, Aluminum ASTM C794 PLI 20-28
    Peel Adhesion, Cement ASTM C794 PLI 14-24**
    Hardness ASTM C661 Shore A 13 + 2
    Sealant Slump ASTM C639 mm 0
    Tack Free Time ASTM C679 Min. > 60
    Calculated VOC - % (by wt.) < 1.5*
    Application Temperature - °F (°C) 32 to 160 (0 to 71)
    Storage Temperature - °F (°C) 35 to 80 (2 to 27)
    Binder Type - - Modified urethane acrylic

    *Meets the current and proposed California Air Resources Board (CARB) VOC regulations.

    **The substrate (cement) failed; the sealant bond was intact.