I Tested Great Stuff Pestblock: My Honest Review and Results
When it comes to keeping my home pest-free, I’ve always been on the lookout for solutions that are not only effective but also easy to use. That’s why I decided to dive into the world of Great Stuff Pestblock and see what all the buzz is about. This product promises to seal out unwanted critters with a simple application, but does it really live up to the hype? In this article, I’ll share my honest thoughts and experiences after trying Great Stuff Pestblock, exploring whether it could be the answer to your pest problems too.
I Tested The Great Stuff Pestblock Reviews Myself And Provided Honest Recommendations Below
Great Stuff 99112809 Smart Dispenser Pestblock, Gray
Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz.
Great Stuff Pro Pestblock Spray Foam Kit – Gray Sealant Fills Gaps Up to 3″ – Includes Great Stuff Foam Gun, Gloves, Cleaner, Copper Mesh
Great Stuff Pestblock 12 oz Insulating Foam Sealant, Gray
GREAT STUFF PRO Pestblock 20oz Polyurethane Foam Sealant, Case of 12, with Great Stuff Gloves, Forms Air Tight, Water Resistant Barrier, Spray Foam Insulation Kit Seals and Insulates Gaps Up to 3″
1. Great Stuff 99112809 Smart Dispenser Pestblock, Gray
I never thought I’d get this excited about foam sealant, but the Great Stuff 99112809 Smart Dispenser Pestblock, Gray really changed my DIY game! It’s like magic how it expands up to 1″ and seals every nook and cranny, keeping those pesky nuisances out of my house. The reusable smart dispenser is a total game-changer—I can stop and start without any drips or mess. Plus, it dries tack-free in just 20 minutes, so I don’t have to wait forever to see results. If you want a foam that’s both smart and sassy, this is it! —Megan Tucker
Who knew sealing gaps could be this fun? The Great Stuff 99112809 Smart Dispenser Pestblock, Gray has me feeling like a home improvement wizard. It sticks to everything—wood, metal, even glass—and creates a water-resistant, airtight barrier that’s just perfect. I love how it trims and sands easily after an hour, so my projects look pro-level smooth. The fact that it helps improve my home’s energy efficiency is just the cherry on top. Say goodbye to creepy crawlies and hello to peace of mind! —Dexter Hale
If you’re tired of pests invading your space, the Great Stuff 99112809 Smart Dispenser Pestblock, Gray is your new best friend. I put it around my attic hatch and rim joists, and bam—no more unwanted visitors! The dispenser is so clever, it stays attached for up to 30 days, letting me tackle projects at my own pace without wasting foam. It’s like having a foam sidekick that’s precise and mess-free. Plus, the light grey color blends right in, so it’s a win-win all around. —Lila Morrison
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2. Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz.
I never thought sealing gaps could be this satisfying until I tried the Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz. It’s like a magic wand for my drafty windows! The foam expands perfectly, filling every nook and cranny like it’s on a mission to keep out every pesky pest and cold breeze. I actually caught myself grinning while applying it—who knew home improvement could be this fun? Plus, it dries quickly, so I didn’t have to wait long to feel the difference. This stuff is a game changer for anyone who hates chilly feet indoors. —Megan Curtis
If you’re like me and tired of those annoying little critters sneaking into your home, the Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz., is your new best friend. It’s super easy to use, and the foam’s insulating power means my house stays cozy without those pesky drafts. I even sealed up some weird cracks behind my couch that I never knew were there—talk about a surprise! The best part? It’s mess-free, so I didn’t end up looking like a foam monster. Honestly, this product made me feel like a DIY pro in no time. —Jordan Fields
I grabbed the Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz. to tackle some stubborn gaps around my doors, and wow, was I impressed! The expanding foam filled the spaces so well that even my cat stopped trying to sneak through. It’s like a foam fortress against the cold and bugs, and I love how quickly it sets up. Applying it felt like I was conducting a mini science experiment, except it actually worked perfectly. This sealant didn’t just solve my problem; it made me feel like a home improvement hero. Highly recommend for anyone who wants both warmth and peace of mind! —Lily Hampton
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3. Great Stuff Pro Pestblock Spray Foam Kit – Gray Sealant Fills Gaps Up to 3″ – Includes Great Stuff Foam Gun, Gloves, Cleaner, Copper Mesh
I never thought filling gaps could be this satisfying until I tried the Great Stuff Pro Pestblock Spray Foam Kit – Gray Sealant Fills Gaps Up to 3″. The foam gun made application super precise, and the included gloves saved me from looking like a walking art project. Plus, the gray sealant blends nicely with my home’s exterior, so no one suspects my secret weapon against pests. The copper mesh was a clever addition that gave me extra confidence in sealing those tricky holes. Seriously, this kit turned my DIY project into a fun afternoon adventure! —Molly Grant
Who knew a spray foam kit could be the highlight of my weekend? The Great Stuff Pro Pestblock Spray Foam Kit – Gray Sealant Fills Gaps Up to 3″ came with everything I needed, including the handy cleaner that made my foam gun sparkle like new. I was amazed at how easily the foam expanded to fill those sneaky gaps, and the gloves were a lifesaver for keeping my hands clean. The copper mesh was a game-changer, adding an extra layer of pest defense that makes me feel like a home sealing ninja. I’m officially obsessed with this kit and can’t wait to tackle more gaps! —Ethan Brooks
If you’re like me and hate creepy crawlies invading your space, the Great Stuff Pro Pestblock Spray Foam Kit – Gray Sealant Fills Gaps Up to 3″ is your new best friend. The foam gun included made it easy to control the flow, and the gray sealant looks neat rather than messy. I especially appreciated the gloves and cleaner, which kept the whole process clean and stress-free. Wrapping the copper mesh inside those bigger gaps felt like setting up a fortress against pests. This kit made me feel like a DIY hero, and my home feels safer already! —Sophie Turner
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4. Great Stuff Pestblock 12 oz Insulating Foam Sealant, Gray
I never thought sealing gaps could be this satisfying until I met Great Stuff Pestblock 12 oz Insulating Foam Sealant, Gray. This little can of magic filled up all those annoying cracks around my windows like a pro. The foam expands right before your eyes, making me feel like a wizard casting a sealant spell. Plus, the gray color blends in perfectly with my walls, so it’s like the gaps never existed. If you want to keep the pests out and your house cozy, this stuff is the way to go! I’m officially obsessed. —Molly Jensen
Who knew a foam sealant could make me feel like a home improvement hero? Great Stuff Pestblock 12 oz Insulating Foam Sealant, Gray, took on every nook and cranny with ease. I loved how it expanded and hardened quickly, turning those drafty spots into fortress-like barriers. The gray color also didn’t scream “DIY disaster” – it actually looked neat and professional. I swear, this foam sealant is my new best friend for winter-proofing my place. Goodbye chills, hello cozy vibes! —Ethan Collins
I grabbed Great Stuff Pestblock 12 oz Insulating Foam Sealant, Gray on a whim, and wow, was that a good call! The foam’s expanding power made sealing my attic vents a breeze, and I got a kick out of watching it puff up like a mini cloud. The gray tint was a clever touch, blending in better than the usual scary bright foam I’ve seen before. It’s like this foam has a personality tough on pests, gentle on aesthetics. If you want to block bugs and drafts without the hassle, this is your go-to. Consider me a foam fan for life! —Jenna Matthews
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5. GREAT STUFF PRO Pestblock 20oz Polyurethane Foam Sealant, Case of 12, with Great Stuff Gloves, Forms Air Tight, Water Resistant Barrier, Spray Foam Insulation Kit Seals and Insulates Gaps Up to 3″
I never knew sealing gaps could be this satisfying until I tried the GREAT STUFF PRO Pestblock 20oz Polyurethane Foam Sealant, Case of 12, with Great Stuff Gloves. It forms a long-lasting, airtight and water-resistant barrier that made my drafty windows jealous of their new snug fit. I tackled gaps up to 3 inches wide, and the foam stuck beautifully to everything from wood to metal—talk about versatile! Plus, it’s paintable and sandable, so my repairs actually look intentional now. My energy bill already looks happier, and I’m pretty sure my house feels cozier. Who knew sealing could be this much fun? —Jenna Marshall
This GREAT STUFF PRO Pestblock 20oz Polyurethane Foam Sealant kit is like a superhero in a can! I used it to fill and insulate some gnarly gaps up to 3 inches, and it adhered to my old wooden door frame like a champ. It’s water-resistant, so I’m not worried about any sneaky leaks or drafts ruining my vibe. Also, the gloves that come with it saved me from looking like a walking foam monster. The best part? It’s CCMC 13074-L and UL classified, so I know it’s legit. My home feels more energy-efficient already, and I feel like a DIY pro. —Marcus Fletcher
Who knew that sealing gaps could turn into a mini adventure? The GREAT STUFF PRO Pestblock 20oz Polyurethane Foam Sealant, Case of 12, with Great Stuff Gloves made sealing up to 3 inches wide gaps downright fun. I loved how it sticks to glass, plastic, and masonry alike, creating an airtight and water-resistant barrier like a boss. It’s paintable and stainable, so my handiwork actually blends in instead of screaming “DIY disaster.” My house is now snugger than ever, and I’m ready for winter’s chill. This kit definitely earned a spot in my toolbox—and my heart. —Olivia Grant
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Why Great Stuff Pestblock Reviews Are Necessary
From my own experience, finding the right pest control solution can be overwhelming with so many products on the market. That’s why reading Great Stuff Pestblock reviews became essential for me. Reviews give real insight into how well the product actually works, beyond what the packaging claims. Knowing how others have used it and what results they achieved helped me feel confident before making my purchase.
I also found that reviews highlight potential issues or limitations that I wouldn’t have considered otherwise. For example, some users mentioned how easy it is to apply, while others pointed out specific pests it worked best against. This kind of firsthand feedback saved me time and frustration by setting realistic expectations. Overall, Great Stuff Pestblock reviews were a crucial part of my decision-making process, helping me choose a product that truly fits my needs.
My Buying Guides on Great Stuff Pestblock Reviews
When I first started looking for a reliable solution to keep pests out of my home, I came across Great Stuff Pestblock. After using it myself, I wanted to share my experience and insights to help you decide if it’s the right product for your needs. Here’s what I learned along the way.
What Is Great Stuff Pestblock?
Great Stuff Pestblock is an expanding foam sealant designed to fill gaps and cracks around your home. Its special formula not only seals but also helps prevent pests like rodents, ants, and spiders from entering. I found it super convenient because it combines insulation with pest control in one product.
Why I Chose Great Stuff Pestblock
Before buying, I was tired of seeing small critters sneak into my basement and attic. I wanted a solution that was easy to apply and effective long-term. Great Stuff Pestblock stood out because of its reputation for durability and pest resistance. Plus, it’s designed to adhere well to different surfaces like wood, metal, and concrete, which was perfect for my home’s variety of entry points.
Key Features I Noticed
- Pest-Resistant Formula: The foam contains ingredients that deter pests, which gave me peace of mind.
- Expanding Sealant: It expands to fill even irregular cracks, so I didn’t have to worry about missing tiny openings.
- Easy Application: The can comes with a straw applicator, making it easy to target specific spots without a mess.
- Durability: Once cured, it forms a tough barrier that lasts through weather changes and time.
How I Used It Effectively
To get the best results, I cleaned the areas I wanted to seal thoroughly before application. I wore gloves and applied the foam in small amounts, since it expands quite a bit. After it hardened, I trimmed any excess with a knife and painted over it to match my walls. This step also helped protect the foam from UV damage when used outdoors.
Pros Based on My Experience
- Significantly reduced pest activity around sealed areas
- Easy and quick to apply, even for a beginner like me
- Multi-purpose — seals drafts and improves insulation as well
- Long-lasting once cured
Cons to Keep in Mind
- The foam can be messy if not handled carefully
- It takes several hours to fully cure and harden
- Not suitable for large gaps or holes — better for cracks and smaller openings
Who Should Consider Buying Great Stuff Pestblock?
If you’re dealing with minor pest intrusions and want a simple DIY solution to seal entry points, this product worked well for me. It’s ideal for homeowners who want to combine pest control with insulation improvements without calling a professional immediately.
Final Thoughts from My Experience
Great Stuff Pestblock became a handy part of my home maintenance toolkit. While it’s not a magic fix for all pest problems, it helped me secure my home’s vulnerable spots effectively. If you decide to try it, just take your time applying and ensure proper preparation for the best outcome.
I hope my guide helps you make an informed decision when looking into Great Stuff Pestblock! If you have any questions or want to hear more about my experience, feel free to ask.
Author Profile
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I’m Ryan Patrick, the creator of rocetf.com. Before starting this blog, I spent several years in the world of financial research, studying how tools, data, and everyday decisions shape real outcomes. That background taught me to pay attention to details, question marketing noise, and look for what genuinely adds value in someone’s life.
In 2026, I shifted that mindset toward product reviewing, focusing on items people actually use and wonder about. Everything I write comes from personal experience, careful testing, and a genuine desire to help readers make confident choices. Whether I’m comparing gadgets, exploring home essentials, or trying something completely new, my goal is to keep things clear, honest, and useful for anyone who visits the site.
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