Calfast Trusted Vendor Expanding Foam Sealant - Gaps & Cracks - Cream / GREAT STUFF™
Rigid When Dry - Any Direction Straw Dispenser - Trimmable, Sandable, Stainable, and Paintable - Indoors Outdoors - For filling gaps up to 1" wide

Expanding Foam Sealant - Gaps & Cracks - Cream / GREAT STUFF™


Rigid When Dry - Any Direction Straw Dispenser - Trimmable, Sandable, Stainable, and Paintable - Indoors Outdoors - For filling gaps up to 1" wide

Product #: GREATSTUFFGC12S
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$18.46 /EA
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GREATSTUFFGC12S 12 oz., Smart Dispenser , InStock
$18.46 /EA
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12 oz.
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GREATSTUFFGC12S
$18.46 /EA

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GREATSTUFFGC12S 12 oz., Smart Dispenser
$18.46 /EA
CONTR Size
Type
PROD #
Price
12 oz.
Smart Dispenser
GREATSTUFFGC12S
$18.46 /EA

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Product Description

The Dow GREAT STUFF™ Gaps and Cracks Insulating Foam Sealant is built to fill gaps up to 1” wide and also provides air-sealing and insulation that can help you save up to 30% on home energy costs.


Build

This product is very sticky and will adhere to metal, masonry, wood, glass, and most plastics.

Dispense in any direction by using the provided straw that will help to direct the foam into the gaps and cracks you want to fill.

This foam expands and takes shape of the gap to create a water-resistant, weathertight airtight seal around electrical wires, plumbing pipes, ductwork, and more!

The product is trimmable after 60 minutes with a serrated blade and can also be sanded, stained, or painted. The surface of this foam can discolor when exposed to sunlight so it is recommended to paint it if this makes a difference to the appearance of the final finished project.


This is a MINIMAL expansion foam that takes on the shape of the gaps or cracks being filled!


Safety

Wear eye protection, gloves and protect the area from the excess product.

Uncured foam can be cleaned with acetone or GREAT STUFF PRO Cleaner for best results! Cured foam on hands or surfaces must be removed mechanically or allowed to wear off.

Keep ignition sources away from this foam and use them in well-ventilated areas.

How to Use

  • Shake can vigorously for at least 30 seconds
  • Screw straw assembly onto the valve
  • Dispense slowly, this product expands!
  • Dries cream-colored and cures rigid
  • Not suitable for being dispensed in cold temperatures

Technical Data

Tack Free10 - 15 Minutes
Ready to Trim60 Minutes
Full Cure8 Hours
Curing TypeChemically Cured
Location UseIndoors and Outdoors
ShrinkageNone
Gap SizeUp to 1 inch

(Cure rate is based on 70 ± 5°F and 50 ± 5% RH, 1-inch bead diameter, 6-inch length. Cure times depend entirely on temperature, size of foam bead, and humidity.)

Certifications, Standards, and Regulations

  • UL Classified
  • CCMC 13074-L
  • Expanding Foam Adhesives: Adhesives that expand when expelled and harden when exposed to air. They can be used to insulate, seal gaps and cracks, or adhere surfaces together.
Product Specifications
Vendor Part #:GC12S
Full Cure Time:8 Hours
Environment Use:Indoors and Outdoors
Material:Polyurethane Foam
Resistances:Water
Cure Type:Chemically
Dry Color:Cream
Finishing:Sandable, Stainable and Paintable
Gap Size:Up to 1 inch
State When Dry:Rigid
Product Document
  • Filling Gaps around Wiring and Plumbing Pentrations
  • Filling Gaps around HVAC Ductwork
  • Insulating Crawl Spaces and Basements
  • Filling Gaps around Sill Plates
  • Sealing and Insulating around an Attic Hatch
  • Preventing Pests from Entering a Location Where they are not Welcome
  • Interior or Exterior Applications