Search  for anything...

Great Stuff Insulation/Expanding Foam Big Gap Filler Smart Dispenser- 3 Pack (3 x 12oz)

  • Based on 66 reviews
Condition: New
Checking for product changes
$34.00 Why this price?
Holiday Deal · 19% off was $41.99

Buy Now, Pay Later


As low as $8 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Sunday, Dec 29
Order within 13 hours
Available payment plans shown during checkout

Size: 3 Pack


Features

  • FILL BIGGER GAPS. This expanding foam insulation fills, seals and insulates gaps up to 3". This ready-to-use sealant is specially formulated to take on common areas of energy loss such as rim joists/sill plates, plumbing, HVAC and larger penetrations.
  • DISPENSE SMARTER. Securely thread the Reusable Smart Dispenser and leave attached to the can to seal projects for up to 30-days. Insulating foam stops as you stop for clean, easy, no-drip dispensing and increased precision with more control.
  • SPRAY ANYWHERE. Tackle a variety of projects with exceptional adhesion to building materials on both the interior and exterior of your home. Adheres to wood, metal, masonry, glass and most plastics.
  • LOWER ENERGY BILLS. Increase your home's energy efficiency by stopping air leaks, which account for 25 40% of HVAC energy costs. This expanding foam forms a long-lasting, airtight, weather-resistant seal keeping unwanted air and moisture out.
  • VERSATILITY. Stop waiting around and keep the pace of your projects on target. This foam sealant dries tack-free in 20 minutes and cures rigid for trimming in 1 hour. Trim, sand, stain and paint for a truly GREAT finish to your DIY projects.

Description

Great Stuff is even greater! Introducing the new patent-pending Great Stuff smart dispenser! The next generation of foam sealant dispensing is a game- changer: reusable for up to 30 days, It allows Great Stuff to be used again and again! It doesn't drip, eliminating mess; Helpful TipsShake vigorously for a minimum of 60 seconds. If the can sputters, simply shake the can while held upside down.Any uncured product that gets on the skin can be removed with acetone.Best results if used when product temperature ranges from 60-90°F (15-32°C). The can should not be exposed to temperatures more than 120°F. Cured foam should not be exposed to temperatures in excess of 240°F.Firmly screw straw assembly onto valve and dispense SLOWLY.Mist with water to speed cure.Trim cured foam with serrated blade.If applied outdoors, be sure to paint or cover foam to prevent discoloration and UV damage.Great Stuff cans featuring the straw tube applicator will seal shut if left to sit for more than 2 hours after its last use.If using GREAT STUFF SMART DISPENSER, follow these additional steps before application:Great Stuff cans featuring the Smart Dispenser may be reused up to 30 days with the straw left attached to the canister, just clean the tip after your first use.For best results: Thread the SMART DISPENSER onto the valve until it is secure, ensuring there is no gap between the dispenser and the valve.Do not unwind the dispenser after you have started using it.Let up on the trigger slowly to release pressure in the straw and prevent spurts during the next use and to achieve the most consistent bead.

Brand: Great Stuff


Style: Big Gap Filler (Smart Dispenser)


Item Weight: 12 Ounces


Compatible Material: Wood, Glass, Plastic, Metal


Color: Black


Manufacturer: ‎Dow


Part Number: ‎99108860


Item Weight: ‎12 ounces


Package Dimensions: ‎8.58 x 8.31 x 4.45 inches


Item model number: ‎99108860


Size: ‎3 Pack


Color: ‎Black


Style: ‎Big Gap Filler (Smart Dispenser)


Item Package Quantity: ‎1


Measurement System: ‎Oz


Included Components: ‎3 x 'Big Gap Filler' + 3 x Reuseable Smart Dispenser


Batteries Required?: ‎No


Date First Available: October 24, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Dec 29

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Love this stuff.
Size: 3 Pack
This product works great and is very easy to use.
Reviewed in the United States on October 26, 2023 by Helen Cummings

  • Great Stuff!
Size: 3 Pack
This stuff works really well. That's all I have to say, it does what it claims to do.
Reviewed in the United States on January 1, 2024 by RANDY L.

  • Great stuff
Size: 6 Pack
Liked very well
Reviewed in the United States on September 18, 2023 by Josh Fisher

  • Better products exist at lower prices
Size: 3 Pack
Ok I suppose. Does not expand much and is overpriced. Local hardware store will offer more competitive products
Reviewed in the United States on November 12, 2023 by James Fisher

  • Stuff works
Size: 3 Pack
Had one can damaged but support took care of that for me right away, otherwise works as expected
Reviewed in the United States on September 26, 2023 by Amazon Customer

  • Does it's job perfectly
Size: 12 Pack
Does exactly what it says it will. Very satisfied
Reviewed in the United States on April 4, 2023 by Oregon B.

  • Did it’s job
Size: 3 Pack
Was easy to use, and was solid after it cured
Reviewed in the United States on August 15, 2023 by Curtis Barton

  • Good product
Size: 6 Pack
Use this expanding foam to stop a fiberglass tub major squeak and creak when you’re standing in the basin showering. Works like a champ.
Reviewed in the United States on December 16, 2022 by James Myers

Can't find a product?

Find it on Amazon first, then paste the link below.