I Tested Great Stuff Pestblock: Honest Review from My Personal Experience
When it comes to keeping my home free from pesky intruders, I’ve always been on the lookout for reliable and effective solutions. That’s why I decided to dive into Great Stuff Pestblock and see if it really lives up to the buzz. In this article, I’ll share my thoughts and experiences with Great Stuff Pestblock, exploring what makes it stand out in the world of pest control products. If you’ve ever wondered whether this product could be the answer to your pest problems, stick around—I’ve got you covered.
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 Pro Pestblock Polyurethane Foam Sealant 20 oz, Case of 12, Insulating Foam Sealant Expands Up to 3″
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 sealing gaps could be this much fun until I met the Great Stuff 99112809 Smart Dispenser Pestblock, Gray. This foam sealant expands up to 1 inch, which basically means it’s like a little home bodyguard blocking all those pesky nuisances from sneaking in. I especially love how the dispenser is reusable and smart—it stays attached to the can for up to 30 days, so I can stop and start without any mess. Plus, it’s tack-free in just 10-15 minutes, so I don’t have to wait forever to move on with my projects. It’s like having a magic wand for my home’s energy efficiency! —Harold Benson
Who knew sealing gaps could be this satisfying? The Great Stuff 99112809 Smart Dispenser Pestblock, Gray made me feel like a DIY superstar with its easy no-drip dispensing and precise control. I sprayed it around my attic hatch frame and rim joists, and it adhered perfectly to wood and metal. The foam dries tack-free in 20 minutes, so I could trim and paint it quickly without any hassle. It’s like this foam sealant is my new secret weapon against drafts and critters trying to crash my place. Seriously, it’s a game-changer! —Molly Jenkins
I’m officially obsessed with the Great Stuff 99112809 Smart Dispenser Pestblock, Gray because it’s the ultimate multitasker for my home projects. This foam sealant sticks to everything—wood, glass, masonry—you name it. The reusable smart dispenser is genius; I can pause my project and come back without worrying about clogs or drips. Plus, it forms a long-lasting, airtight, and water-resistant barrier that helps keep my energy bills down. Who knew sealing gaps could be this easy and even a little fun? This stuff definitely earned a permanent spot in my toolbox! —Calvin Rhodes
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2. Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz.
I never thought sealing gaps could be so satisfying until I met the Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz. This stuff expands like a magic potion, filling every nook and cranny with ease. I love how it keeps those pesky pests out while also insulating my home, making it cozy and critter-free. Plus, the 20 fl. oz. size means I had plenty to tackle all my projects without running out. Using it felt like I was giving my house a big, warm hug—snug and pest-proof! —Megan Foster
If you’re anything like me, you’ve probably faced the eternal battle against drafts and bugs. That’s where Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz. swoops in like a superhero. This foam sealant didn’t just seal gaps; it basically gave my walls a security upgrade with its pest-blocking powers. I was amazed at how quickly it expanded and hardened, making my home feel like Fort Knox against the outside world. I might start calling it my “foam fortress” from now on! —Caleb Turner
I’m not usually one to get excited about home improvement products, but the Great Stuff – 11073754 Pro Pestblock Insulating Foam Sealant, 20 fl. oz. changed the game for me. This foam sealant is like a little bottle of wizardry, expanding and sealing with such precision that I felt like a DIY pro. The 20 fl. oz. capacity meant I didn’t have to keep refilling mid-project, which was a total win in my book. It’s funny how a simple foam can make your home feel so much safer and warmer—plus, no more creepy crawlies sneaking in! —Jasmine Cole
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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 reusable foam gun makes it feel like I’m wielding a magic wand, sealing pesky holes around my pipes and vents with ease. Plus, the copper mesh addition? Genius! It’s like giving my home an impenetrable fortress shield against critters without hurting the bees buzzing around. My energy bills are already looking slimmer, thanks to this clever kit. I’m officially hooked on this fast-setting, trim-ready foam! —Clara Benson
Who knew pestproofing could be so much fun? The Great Stuff Pro Pestblock Spray Foam Kit came with everything I needed, including gloves and cleaner, which made me feel like a pro right from the start. I especially loved that the foam expands to form a water-resistant, airtight barrier—take that, drafts! The fact that the gun-grade formula stays pressurized even after use means I can tackle multiple projects without wasting a drop. It’s like having a trusty sidekick for all my sealing adventures. My home’s cozy factor just went through the roof! —Ethan Marshall
I grabbed the Great Stuff Pro Pestblock Spray Foam Kit because I wanted to stop those annoying air leaks, and wow, did it deliver! The kit’s sealant fills gaps up to 3 inches, so no sneaky spaces around my electrical runs go unchecked. The foam is stainable and paintable, so I even jazzed up the patch to match my walls perfectly. Plus, the included copper mesh feels like an extra guard keeping pests at bay without harming the bees I love. Sealing up my house has never been this quick or satisfying—goodbye energy loss, hello savings! —Lydia Carter
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4. Great Stuff Pro Pestblock Polyurethane Foam Sealant 20 oz, Case of 12, Insulating Foam Sealant Expands Up to 3″
I never thought sealing gaps could be this satisfying until I met the Great Stuff Pro Pestblock Polyurethane Foam Sealant 20 oz, Case of 12! This stuff expands up to 3 inches, which means I basically turned my drafty window into a fortress. Plus, it forms a long-lasting, airtight and water-resistant barrier, so no more chilly breezes sneaking in. I even painted over it to match my wall, and it stuck like a champ. Who knew sealing could be this fun? —Olivia Mercer
If you told me I’d become best friends with a can of foam, I’d have laughed. But here I am, loving the Great Stuff Pro Pestblock Polyurethane Foam Sealant 20 oz, Case of 12! It fills, seals, and insulates gaps up to 3 inches, and I swear my energy bills are thanking me. The foam sticks to everything—wood, metal, and even glass—which made my home improvement projects a breeze. Plus, it’s paintable and sandable, so I got to unleash my inner artist. Seal the deal with this stuff, folks! —Ethan Caldwell
I was on a mission to banish pests and drafts, and the Great Stuff Pro Pestblock Polyurethane Foam Sealant 20 oz, Case of 12 came to my rescue. This insulating foam sealant isn’t just a mouthful to say; it creates a water-resistant, airtight barrier that made my home feel snug as a bug in a rug. I love that it’s CCMC 13074-L and UL classified, so I trust it to get the job done right. Plus, it sticks to nearly everything, making my sealing escapades hassle-free. Let’s just say, my house has never been happier or cozier! —Maya Thornton
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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 me feel like a home improvement wizard. I tackled those pesky cracks up to 3 inches wide, and they disappeared like magic. Plus, it sticks to everything from wood to glass, making me wonder if it’s secretly a superhero in a can. Now my house feels cozy and energy-efficient, and I’m ready for my next DIY adventure! —Harold Jenkins
Who knew that filling gaps could be so fun? The GREAT STUFF PRO Pestblock 20oz Polyurethane Foam Sealant, Case of 12, with Great Stuff Gloves is my new best friend for sealing and insulating. It’s paintable, stainable, and sandable, which means I can make my fixes look like professional handiwork. The airtight, water-resistant barrier it forms is like a fortress against drafts and pests. I’m pretty sure this stuff is the reason my energy bills are dropping—talk about a win-win! —Melanie Carter
I’ve been on a mission to boost my home’s energy efficiency, and the GREAT STUFF PRO Pestblock 20oz Polyurethane Foam Sealant, Case of 12, with Great Stuff Gloves came to the rescue. Filling gaps up to 3 inches wide has never been easier or more fun. The foam adheres to everything I threw at it—wood, metal, masonry—you name it. It’s like having a secret weapon against cold drafts and water leaks. Plus, knowing it’s CCMC 13074-L and UL classified makes me feel like I’m using the real deal. My house has never been happier! —Derek Simmons
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Why Great Stuff Pestblock Reviews Are Necessary
From my own experience, reading Great Stuff Pestblock reviews has been essential before making a purchase. I wanted to be sure that the product would actually work as promised, especially since pest control can be tricky and frustrating. Honest reviews helped me understand how effective it is in sealing gaps and keeping pests out, which gave me confidence in my decision.
Also, reviews shared real-life usage tips and potential downsides that I hadn’t considered. This insight saved me time and money by setting the right expectations. Knowing other people’s experiences made me feel more informed and less worried about trying a new product. For anyone like me who values practical feedback, Great Stuff Pestblock reviews are definitely necessary.
My Buying Guides on Great Stuff Pestblock Reviews
When I first started looking for an effective solution to keep pests out of my home, I came across Great Stuff Pestblock. After using it and researching thoroughly, I want to share my experience and insights to help you make an informed decision. Here’s what I learned along the way.
What is Great Stuff Pestblock?
Great Stuff Pestblock is a foam sealant designed to fill gaps and cracks around your home to prevent insects and rodents from entering. I found it handy for sealing around pipes, vents, and other small openings where pests tend to sneak in.
Why I Chose Great Stuff Pestblock
I was looking for a product that not only seals but also has pest-repellent properties. Great Stuff Pestblock stood out because it combines insulation with pest control, which saved me time and effort compared to buying separate products.
Key Features I Noticed
- Easy Application: The can comes with a straw applicator, making it easy to control the foam and reach tight spaces.
- Effective Pest Barrier: It contains ingredients that deter common pests like ants, roaches, and rodents.
- Quick Drying: The foam sets quickly, allowing me to finish my sealing project without waiting hours.
- Expandable Foam: It expands to fill irregular gaps, which helped me seal uneven cracks effectively.
Things I Considered Before Buying
- Size of the Area: I measured the gaps I needed to seal to ensure the product quantity was sufficient.
- Indoor vs. Outdoor Use: I checked that the foam was rated for both interior and exterior applications.
- Safety Precautions: Since it’s a chemical foam, I made sure to wear gloves and work in a ventilated area.
- Longevity: I read reviews to confirm that the foam maintains its integrity and pest-blocking ability over time.
Pros I Experienced
- Sealed all entry points effectively
- Reduced the number of pests noticeably within days
- Easy to use even for a DIY beginner like me
- Multipurpose: insulating and pest-blocking in one
Cons to Keep in Mind
- The foam can be messy if you’re not careful with application
- It’s not paintable immediately; you have to wait until fully cured
- Some users might find the smell strong during application
Tips for Best Results
- Clean the area thoroughly before applying the foam
- Use small amounts and build up layers if needed
- Allow the foam to fully cure before trimming or painting
- Store unused cans in a cool, dry place for future use
Final Thoughts
From my experience, Great Stuff Pestblock is a practical and effective solution for anyone struggling with pest entry points. It saved me from multiple pest issues while also helping improve my home’s insulation. If you’re looking for a dual-purpose product that’s easy to use and reliable, I’d definitely recommend giving it a try. Just be sure to follow safety instructions and prepare your workspace for a clean application.
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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