0074985004605

GREAT STUFF

Model # 248314

Internet # 100029171

Store SKU # 510204

16 oz. Big Gap Filler Insulating Foam Sealant

$4.96 /each
  • Easy application for gaps greater than one inch
  • Air-sealing and insulating saves up to 20% on home energy costs
  • 16 oz. Big Gap Filler Insulating Foam Sealant

Frequently Bought Together

Product Overview

GREAT STUFF Big Gap Filler Insulating Foam Sealant offers the same benefits as GREAT STUFF Gaps and Cracks but fills gaps larger than 1 in. So it's great for creating larger weather-tight seals to stop drafts and keep critters out. Plus, like all GREAT STUFF products, it's airtight, paintable, stainable and sand-able. It's polyurethane-based and perfect for all sorts of materials like wood, drywall, metal, masonry, glass and most plastics.

  • Forms a permanent weather-tight seal to minimize drafts and insect infestation and has exceptional adhesion to building materials
  • GREAT STUFF big gap filler insulating foam sealant can be used in interior or exterior application and is tack free in 6 minutes and can be trimmed in 30 minutes
  • Foam elasticity properties allow for movement and shifting within a structure
  • Cures as a cream colored, rigid foam; ease of application results from all direction dispensing
  • One 16 oz. can equals up to 24 tubes of caulk
  • How much do you need? Let our calculator help:
    Insulation calculator button

Info & Guides

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Specifications

Dimensions

Product Depth (in.) 
2.75 
Product Height (in.) 
9.25 
Product Width (in.) 
2.75 

Details

Insulation R-Value 
Insulation Type 
Spray Foam 
Paintable / Stainable 
Paintable/Stainable 
Product Weight (oz.) 
16 
Returnable 
90-Day 
Two Part 
No 

Warranty / Certifications

ENERGY STAR Certified 
Yes 
Fire Block Rated 
No 
Warranty Information 
NA 

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Customer Questions & Answers

68 Questions248 Answers

Customer Questions & Answers

16 oz. Big Gap Filler Insulating Foam Sealant
16 oz. Big Gap Filler Insulating Foam Sealant

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11 answers

Is the can and it's tube re-sealable?

This question is from 16 oz. Big Gap Filler Insulating Foam Sealant
Asked by
Bassboy30
November 27, 2012
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Answers (11)

Asked by
buffalo NY
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January 25, 2016
Answer: 
Yes, after a fashion (for great stuff in general). Take a 3-1/4 in nail (12d) and slide it about half way into the tube. With the can UPRIGHT, slightly pressurize the tube (this re-liquifies the product, you'll see the foam re-liquify in the tube). Later, when you want to use it again, to remove the nail, squeeze the tube (where it sticks to the nail) here and there with a pair of pliers to break the Read More
Yes, after a fashion (for great stuff in general). Take a 3-1/4 in nail (12d) and slide it about half way into the tube. With the can UPRIGHT, slightly pressurize the tube (this re-liquifies the product, you'll see the foam re-liquify in the tube). Later, when you want to use it again, to remove the nail, squeeze the tube (where it sticks to the nail) here and there with a pair of pliers to break the seal, and then the nail should pull right out, grab onto the head of the nail with the pliers and pull/twist. It'll keep a month, maybe two, I've gotten more than a dozen uses out of single cans across the span of days this way. If it doesn't dispense properly, it's been too long - just pitch it and start a new can. Read Less
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Asked by
Mobile, AL
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Home Improvement Profile: DIYer
November 2, 2015
Answer: 
Yes you can reuse this after some use. I keep a narrow container with a lid handy. I pour acetone in it about 1/3 full. As soon as you stop spraying, remove the spray spout and tube then drop it in the acetone, replace lid and gently shake. The acetone will almost instantly dissolve the foam. Usually after the first shake or two, I remove the lid and insert the top of the can into the acetone and sort of Read More
Yes you can reuse this after some use. I keep a narrow container with a lid handy. I pour acetone in it about 1/3 full. As soon as you stop spraying, remove the spray spout and tube then drop it in the acetone, replace lid and gently shake. The acetone will almost instantly dissolve the foam. Usually after the first shake or two, I remove the lid and insert the top of the can into the acetone and sort of swirl it around so the acetone will dissolve the foam on the valve of the can. Let air dry and you can reuse the remaining material in the can at your convenience.
I have also done the same thing but used a freezer ziplock bag with a little acetone in it. Hope this helps! Read Less
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Asked by
Easton, PA, USA
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May 7, 2013
Answer: 
The can is self sealing, but you may need to clean out the tube and nozzle. Once cured you can separate the tube from the "T" handle and use a piece of rigid wire to clean it out.
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Asked by
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March 15, 2013
Answer: 
No.
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Asked by
Alabama, USA
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November 29, 2012
Answer: 
It has been my experience to plan the application of this product in advance because the foam will start to set-up in the nozzle after 5 - 10 min. of non use. Once this happens it is hard to clean the nozzel. I usualy dispose of the can when I am through with my foam-filling project......(O^O)
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Asked by
Colorado
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November 28, 2012
Answer: 
Not re-sealable, but if you clean the tube you can reuse the product.
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Asked by
89704 store1001 stanboat pkwy Reno
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November 28, 2012
Answer: 
ALL THESE THINGS SHOULD BE USED AT ONCE. THEY SEAL THEMSELVES TIGHT. IiF IT HASN'T BEEN TOO LONG, TAKE TUBE OUR AND SEE IF MORE COMES OUT, iF IT DOES, CLEAN THE TUBE .
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November 28, 2012
Answer: 
The GREAT STUFF (TM) polyurethane foam sealant will seal itself shut if left sitting after use, one time use should be expected.
Please try this tip for trying to prolong the use of a can. Inserting a pipe cleaner sprayed with oil lubricant into the applicator may prolong the life of the product up to 30 days, however, it's better to plan ahead, identify and list all possible applications before using Read More
The GREAT STUFF (TM) polyurethane foam sealant will seal itself shut if left sitting after use, one time use should be expected.
Please try this tip for trying to prolong the use of a can. Inserting a pipe cleaner sprayed with oil lubricant into the applicator may prolong the life of the product up to 30 days, however, it's better to plan ahead, identify and list all possible applications before using the can. Read Less
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Asked by
Fairless Hills, PA, USA
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November 28, 2012
Answer: 
Absolutely not. If it's more than you need, try to find two places to use it- one right after the other. This type of product is very sticky & the tube becomes clogged after about 10 minutes. I drop it in my recycling can when I'm done.
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November 27, 2012
Answer: 
I would say that you should plan on using most of it when you open it. I used the can twice and then couldn't get it to work anymore, even though it wasn't empty.
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Asked by
Read all my Q&A
November 27, 2012
Answer: 
Yes, it's basically an aerosol can. The foam will only flow if pressure is applied to neck. Be careful with the tube, though. When foam dries inside the tube, an inevitable result of the products use, the plastic become somewhat fragile. After each use I'd recommend unscrewing the tube from the can, otherwise the tube has a tendency to snap off at the joint with the trigger assembly it the tube is bent.
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7 answers

CAN IT BE USE TO REPAIR CRACKING PLASTIC WICKER

This question is from 16 oz. Big Gap Filler Insulating Foam Sealant
Asked by
TUSCALOOSA,AL
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June 1, 2016
I HAVE A PLASTIC OUTSIDE WICKER LOVE SEAT THAT IS CRACKING FROM WEATHER WEAR AND I DO NOT WANT TO THROW IT AWAY. IT HAS HOLES AND PATCHES MISSING. CAN GREAT STUFF FOAM BE USED FOR CLOSING THE HOLES AND OTHER CRACKS THAT ARE IN THE LOVESEAT. BASICALLY CAN IT FEEL THE MISSING AREAS IN.
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Answers (7)

Asked by
Toccoa, Ga
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Home Improvement Profile: Professional
June 3, 2016
Answer: 
It would fill the holes and cracks (if you could get the nozzle inside the material as this expands outward) but would in no way improve the integrity of the piece. Basically it will not help the issue nor make it better. This product is designed to fill in voids with the intention of preventing air flow and has no real structural value.
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June 3, 2016
Answer: 
GREAT STUFF (TM) Insulating foam sealants are designed to fill small cracks and gaps and do not provide structural support. Use of this product in any other way than it was intended is considered experimental and at your own risk.
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Asked by
Wellborn, TX
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Home Improvement Profile: Professional
June 3, 2016
Answer: 
Whereas filling in is its forte, the results I imagine you seek would not be same as Big Gap results if employed. Big Gap - think of popcorn, making rice expansions that balloon everywhere and mostly uncontrollable and then begin this process in one of those wicker holes .....
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Asked by
Watertown, NY 13601, USA
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Home Improvement Profile: DIYer
June 2, 2016
Answer: 
I have similar furniture on my porch and a very good memory of trying to keep wicker furniture serviceable.
Great Stuff would not likely be suitable from a structural perspective. Also, it would likely look just awful.
Strong tape might be your best bet.
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June 2, 2016
Answer: 
The product will fill the cracks but may not look well.
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Asked by
Vancouver, Washington
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Home Improvement Profile: DIYer
June 2, 2016
Answer: 
No it is not strong it is simply a filler too keep out weather....I recommend something like Fiberglass repair tape and resin. like these (also from Home Depot)
http://www.homedepot.com/p/3M-Bondo-8-sq-ft-Fiberglass-Cloth-20128/202077813
http://www.homedepot.com/p/3M-Bondo-1-qt-All-Purpose-Fiberglass-Resin-20122/202077790
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Asked by
Massachusetts
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Home Improvement Profile: Professional
June 2, 2016
Answer: 
Dear Vonda: No - Great Stuff foam has very little strength. It cannot be used to repair your wicker love seat. Wicker is difficult to fix after it begins to crack or rot.
Mark
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7 answers

Can I use this to seal gaps in the window around the air conditioner? If yes, which product do you recommend?

This question is from 16 oz. Big Gap Filler Insulating Foam Sealant
Asked by
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May 26, 2016
Is this better than pillowy insulation squares?
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Answers (7)

May 31, 2016
Answer: 
GREAT STUFF(TM) Insulating Foam Sealants are not easy to remove. If you do use this product, we would recommend for you to use the GREAT STUFF(TM) Insulating Foam Sealant Window & Door product. When used outside, we recommend for the product to be painted to help protect it from the elements.
GREAT STUFF (TM) Insulating Foam Sealant products will chemically bond to just about all surfaces in a matter Read More
GREAT STUFF(TM) Insulating Foam Sealants are not easy to remove. If you do use this product, we would recommend for you to use the GREAT STUFF(TM) Insulating Foam Sealant Window & Door product. When used outside, we recommend for the product to be painted to help protect it from the elements.
GREAT STUFF (TM) Insulating Foam Sealant products will chemically bond to just about all surfaces in a matter of minutes. Once cured, it cannot be removed with solvents and the only option is mechanical removal. On hard, smooth, or polished surfaces this may be accomplished very carefully with a single-edged razor blade. If this does not work, or if the foam is on a soft or porous surface, the only option is to attempt to remove it using a non-abrasive cleanser. The more effort spent scrubbing, the more likely it is to see positive results. If the non-abrasive cleanser does not work, consider replacement or refinishing. A more aggressive approach such as steel wool or sandpaper will damage the underlying surface. Only UV light will break the foam down and this takes months. Heat has no affect on the foam. It may soften, but it will not melt and the resulting fumes may be harmful. Read Less
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Asked by
Cornwall-on-Hudson NY
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Home Improvement Profile: DIYer
May 30, 2016
Answer: 
If the air conditioner is not placed permanently in the window, then I would not use the foam sealant. Instead, use a strip of foam or other weather stripping.
If it's a permanent placement, you can use the expanding foam. May want to go with the small gap version.
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Asked by
Watertown, NY 13601, USA
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Home Improvement Profile: DIYer
May 28, 2016
Answer: 
The gap around an air conditioner in a window is best filled with a soft, flexible foam material that is purpose made and that is sold in the insulation section of most stores like Home Depot.
To use a foam sealant like Big Gap would likely cause a mess.
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Asked by
Wisconsion Dells
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Home Improvement Profile: Professional
May 28, 2016
Answer: 
Yes & no this is for larger than a .5 space that you need sealed perm. Not for removing or that ,self expanding sealer would work better like the bags you get in boxes today.
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Asked by
Wellborn, TX
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Home Improvement Profile: Professional
May 28, 2016
Answer: 
Yes, exactly what I did to my new window AC last month.
You can pretty it up next day, if required, with a knife.
Always use gloves, clean up skin with "nail polish remover" or better - acetone.
Whenever the AC is removed, there will be a lot of cleanup, scraping to do but not more maintenance than electing something less permanent/sticky (like the foam).
This also serves as a better against Read More
Yes, exactly what I did to my new window AC last month.
You can pretty it up next day, if required, with a knife.
Always use gloves, clean up skin with "nail polish remover" or better - acetone.
Whenever the AC is removed, there will be a lot of cleanup, scraping to do but not more maintenance than electing something less permanent/sticky (like the foam).
This also serves as a better against infiltration, precipitation and even structurally mounting the AC as part of the assembly. Some consider this method better nighttime security, so difficult it makes AC removal for burglars.
Too many window ACs in my history to count & this is the only method worth the time/effort. Read Less
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Asked by
Massachusetts
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Home Improvement Profile: Professional
May 27, 2016
Answer: 
Dear Chrissy: Definitely NO! Great Stuff sticks tenaciously to everything and is very difficult to remove, so if you sprayed it on the trim around the window, you would have a major cleanup project in September or October. That said, Great Stuff is a perfect solution for many seal-the-air-leaks projects, precisely because it sticks to almost anything and is easy to apply.
So.... the best solution for Read More
Dear Chrissy: Definitely NO! Great Stuff sticks tenaciously to everything and is very difficult to remove, so if you sprayed it on the trim around the window, you would have a major cleanup project in September or October. That said, Great Stuff is a perfect solution for many seal-the-air-leaks projects, precisely because it sticks to almost anything and is easy to apply.
So.... the best solution for the gap around your air conditioner is standard flexible foam, that you can insert to plug the air gaps -- and easily remove when we move into Fall. For example: Future Foam Model # 10030BULK3, Home Depot Internet # 203837114 Store SKU # 794736
I hope this is helpful.
Mark Read Less
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May 27, 2016
Answer: 
This stuff will seal it good and fill the cracks. But you will never get the air conditioner out easily in the future without damaging the window frame. This stuff sticks THAT good.
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7 answers

Can this be used on concrete? I want to fill the gap at the top of my cellar stairs where the bulkhead meets

This question is from 16 oz. Big Gap Filler Insulating Foam Sealant
Asked by
Beverly
August 4, 2013
the top of the stairs and then down each side. There was old pink insulation there and I took it out now I need to put something I
n its place
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Answers (7)

Asked by
FINLEYVILLE PA
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July 8, 2014
Answer: 
YES I HAVE USED IT TO FILL CONCRETE GAP TOP OF STAIRS
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Asked by
Connecticut
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July 8, 2014
Answer: 
Yes it can be used BUT...make sure you apply it within the gap; there is likely to be a large void behind the gap where the pink insulation was.
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Asked by
new york
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March 11, 2014
Answer: 
Its perfect for filling air gaps and spots like that. Over fill it and then break off the excess.
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Asked by
Johnson City, NY, USA
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January 25, 2014
Answer: 
YES
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August 27, 2013
Answer: 
GREAT STUFF™ sealants use moisture in the air to cure. They are designed to fill small cracks and gaps. The foam does not cure properly if it is used to fill large voids unless it is put down in layers and allowed to cure before the next layer is applied.
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Asked by
Houston, TX, USA
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August 27, 2013
Answer: 
Yes you can. It expends to fill the gaps. Use a good amount even if it flows out of the crack. Then when it cures, trim off the excess. That's the best way to ensure it fills the entire gap.
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Asked by
cleveland, OH
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August 5, 2013
Answer: 
It can be used to fill the gap. However, it has no structural properties. It will only prevent vermin from entering there. Also, there is no elastic properties to GS, so if there is any shift between the surfaces there will be a new gap. If this would be the case it might be better to use an appropriate sized backer rod (Foam) with some type of elastomeric adhesive caulk.
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Customer Reviews

Rated 4.0 out of 5 by 224 reviewers.
Rated 5.0 out of 5.0 by Fill big gaps I bought the big gap filler when installing styro/ aggregate panels around my foundation. I needed something to fill the gaps since the basement walls are not straight. The walls bow in so there is a larger gap at the bottom than the top. After installing the panel, I filled the backside with foam and braced until set. This held the panel in place and level. Upon backfilling with dirt, there was no movement. Even when the ground is saturated with rain water the panels have not bowed at all since about a foot and a half of the 2'x4' panel is buried. I highly recommend this product. July 5, 2016
Rated 2.0 out of 5.0 by Hard to clean after use Very hard to use, its messy and hard to control the amount you need for open space. When spraying hole it grows more and more leaving excess foam outside of hole. Clean up is the worse, once dried almost impossible to clean away access. I used a putty blade to try to shape foam, it did not work well and could not clean putty blade. What im saying is yes it covers small holes but hard to use product neatly. July 13, 2016
Rated 5.0 out of 5.0 by Great results, love this product! Fills the big gap perfectly, like a rigid fortress that keeps rats and other critters out. A few tips: 1. look at the clock and shook the can for a minute 1. always make sure to hold can upside down when dispensing 2. If you have a small project, you may want to identify other areas you could use the product, because once mixed and open, any leftover will be hardened and cannot be saved for later use. July 20, 2016
Rated 1.0 out of 5.0 by Product messy.... STORE SERVICE SUCKS! Don't get this stuff on you! But almost impossible not to! July 19, 2016
Rated 5.0 out of 5.0 by Real good buy It was real easy to use and cleanup. would buy again. July 19, 2016
Rated 4.0 out of 5.0 by Very good Product Love the Great Stuff foams, but they certainly find ways to make them less than a good value. I HIGHLY recommend that if you have a large project or even a small but intricate project, that you invest in the Pro Gun version. The control and the ability to stop and come back later using the same can will save a ton of money over the long haul. The control is fantastic as well. However, this is about the can version so I will say that it too is great for broad foaming where control is not needed and where you can use a full can in a few minutes. I wish that Pest Resistant and Fire Retardant were in ALL versions of the Great Stuff Foam, but sadly they get you to buy and waste a lot if needing the Pest Resistant versions on small projects. We used this particular foam to fill the void at the end of interior walls where they met the exterior walls on our renovation. The Spray Foam Insulation installer refused to fill this area due to pressure, but the Great Stuff foam filled and then pushed out the gaps to stop the airflow that was coming in. While the “Large Gap” foam was used here, I would actually recommend the “Window and Door” Version as it seemed to plump better and weigh less so it filled the void quicker and more thoroughly. Great product none the less! Wear Gloves!!!! If it gets on your skin, apply an oily lotion to help reduce the tackiness. You will be Yellow/Orange/Green (depending on version) for several days though! March 16, 2016
Rated 5.0 out of 5.0 by Great Stuff - many great applications The pipe for our shower-head had become loose over time - this was an interesting problem to solve without tearing out tiles and exposing the pipe - I decided to try Great Stuff Big Gap Filler to solve this without any invasive destruction to the shower tiles - it worked like a charm - shower-head is rock solid now thanks to the amazing properties of Great Stuff. This is yet another application for a great product! January 17, 2016
Rated 5.0 out of 5.0 by DID THE JOB Needed to fill a gap in the corner of the window sill and this worked better than any other product. Was also easy to use and dried quickly. June 28, 2016
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