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ENERFOAM™ Sealant and Adhesive, 30oz Pro Can

30 oz Enerfoam Pro Foam Can
A person in blue gloves uses a foam gun to apply fire-blocking sealant into a wall gap around an electrical outlet box.
Infographic showing foam sealant applied around a metal duct in an attic. It features fire-blocking properties for 3 inch gaps.
30 oz Enerfoam Pro Foam Can
A person in blue gloves uses a foam gun to apply fire-blocking sealant into a wall gap around an electrical outlet box.
Infographic showing foam sealant applied around a metal duct in an attic. It features fire-blocking properties for 3 inch gaps.

ENERFOAM™ Sealant and Adhesive, 30oz Pro Can

$35.79
  • SKU: DOW 00342094
  • Minimum Purchase: 3 units

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Description

DuPont™ Enerfoam™ is a one-component, minimal-expanding polyurethane foam sealant designed for professional use in sealing cracks, voids, and penetrations. It forms a durable, airtight, and water-resistant bond that remains soft and flexible, accommodating movement as building materials expand and contract. It adheres to wood, brick, concrete, vinyl, foam board, metal, and most plastics. It is recognized as a fireblock, helping to resist the free passage of flame in concealed spaces

Features & Benefits

Feature Benefit
Minimal expansion Creates an effective seal without overfilling or bowing surfaces.
Water-resistant, airtight bond Helps reduce moisture damage and air leaks.
Flexible when cured Accommodates structural movement and prevents cracks.
Tack-free in <20 minutes Speeds up project completion.
Trimmable in 30 minutes Allows for shaping and finishing quickly.
Closed cell content (80%) High insulation and moisture resistance.
Reusable for up to 30 days When used with a PRO gun and stored properly.
Fireblock rated Enhances fire safety compliance in penetrations.
High yield One 30 oz. can yields up to 1,450 linear feet of 3/8” bead

Technical Data

Flexural Strength 8.8 psi
Compressive Strength 9.3 psi
Tensile Strength 14.4 psi
Core Density 1.01 pcf
Closed Cell Content 80%
Water Absorption 6.4% by volume
Thermal Resistance (k-factor) 0.26 Btu·in/ft²·hr·°F
Dimensional Stability (100°F/100% RH, 2 wks) 14.31%
Dimensional Stability (–40°F/ambient RH, 2 wks) 0.41%

Approvals & Codes

  • UL Classified: UL R13655
  • ICC-ES: ESR-1961
  • CCMC: 13074-R (Canada)
  • ASTM E84, ASTM E814 tested

Recommended Applications

The product is ideal for use in:

  • Sealing pipe penetrations (e.g., water, gas, sewer lines)
  • HVAC and electrical penetrations
  • Wall/ceiling junctions and attic hatches
  • Outdoor water faucets and recessed boxes
  • Drywall joints to reduce nail pops and air gaps

Adhering To:

  • Insulated concrete forms (ICFs)
  • Architectural foam
  • Drywall panels

Common Substrates

  • Wood
  • Brick
  • Concrete
  • Vinyl
  • Foam board
  • Metal (steel or aluminum)
  • Most plastics

Note: Surfaces should be clean and dry. Dampness does not impair adhesion, but dirt, oil, or loose material may.

Application Details

Preparation

  • Wear long sleeves, gloves, and goggles.
  • Eliminate open flames, pilot lights, and sources of ignition.
  • Shake the can vigorously for 1 minute.

Gun-Applied Version

  • Invert and screw the can onto the dispensing gun until finger-tight.
  • Adjust the flow control screw, press the trigger to prime the gun.
  • Insert the nozzle and fill gaps less than ⅓ full to allow expansion.
  • Trim cured foam in 30 minutes; fully cured in ~1 hour.
  • Store upright with gun attached; reusable up to 30 days.

Cleanup

  • Uncured foam: Use Great Stuff PRO™ Foam Cleaner.
  • Cured foam: Must be mechanically removed.
  • Important: Do not store gun with cleaner can attached; it may damage seals.

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