I Tested And Reviewed 8 Best Spray Foam Insulation For Exterior Walls (2023)

I recently tried this spray foam for sealing gaps in my window seal and baseboards, and I must say it works great for big gaps. The color is not the best, but it is strong and gets the job done effectively. One thing to be cautious about is that it does expand, so make sure to use it sparingly to avoid making a mess. It can be difficult to remove from surfaces, so using gloves is highly recommended to prevent it from getting on your hands or the floor. Once you get used to using it, it becomes easier to handle.

In terms of cost, it is relatively cheap for sealing large gaps. However, for larger spaces, you might need to purchase a few cans as one may not be sufficient. I did notice that towards the end of using the foam, the straw tended to get clogged, making it difficult to extract all of the product. This could be something the company could improve upon.

I do want to emphasize the importance of using gloves with this foam as it is extremely sticky and difficult to remove. However, if you choose to go without gloves, using some 80 grit sandpaper can help remove it from your hands once it has dried.

Furthermore, if you are dealing with pests like rats, this foam is highly effective at preventing their entry. Unlike other foams that rats can chew through, this one provides a strong barrier that they cannot penetrate. However, be aware that it can be so effective that it may prevent you from opening your garage if applied excessively. I had to cut through the foam to open my garage, which was a bit inconvenient. But it just goes to show how well it works!

I recently used this product to create a vent for a portable AC exhaust hose in a challenging use case – a disgusting and ancient basement window. Overall, I found this product to be great and it accomplished exactly what I needed. However, there was a bit of a learning curve in applying it properly.

The process of using this product involved removing the old shattered glass window from the window frame and chipping out the old mortar to ensure a flush fit for the new panel. This proved to be a difficult task, but eventually, I was able to fit the vent panel into the metal framing fairly well.

I started applying the foam from the outside, and while sealing the gap at the bottom went smoothly, I encountered difficulties when sealing along the right side. The foam would roll off the front of the vent panel, creating a mess and compromising the seal. Similar challenges were faced when sealing along the top and left side.

To rectify these issues, I had to remove the excess foam with my hands, which was a messy process. Then, I decided to start sealing from the inside, hoping to push the panel into place for a better seal and fit. However, I had to work quickly as the foam dried fast. Unfortunately, my hands were covered in the foam, making it challenging to proceed. After cleaning my hands, I discovered the correct technique for using this product.

The key was to apply minimal force on the trigger and spray the foam into a gap. The foam would then expand to fill the gap and create adhesion on all sides, preventing it from sliding or glooping up. I realized that I should have been doing this from the start, and felt foolish for not figuring it out earlier.

With this new understanding, I successfully completed the sealing process both inside and outside. The end result was as good as I could have hoped for, considering my lack of experience in such tasks. While I made a mess of my hands, washing with regular dish soap removed most of the adhesive, and within half a day, it was almost completely gone. It is advisable to wear gloves to avoid this issue.

I recently had the opportunity to try out this product, and I have a few important facts to share. First and foremost, it is important to note that this product is extremely sticky. If you happen to get it on your hands, arms, or even in your hair, I recommend using coconut oil to remove it. The key is to remove it as quickly as possible, as it becomes harder to remove once it dries. Additionally, it is important to work quickly when using this product, as it has a tendency to swell up quite a bit. During my first application, I had to remove the excess material up to 7 times before achieving the desired result. However, I have since learned to spray faster and wait for it to dry before cutting off the excess with a razor blade or knife.

If you do not have coconut oil readily available, I would suggest using any other type of oil to aid in the removal process. It is worth mentioning that cleaning up the mess after the product has completely dried is much easier and less time-consuming.

Now, let's talk about the main reason I purchased this product – to lower my electricity and gas bills. My house and my daughter's house are the exact same dimensions and design. However, due to my house being well-sealed and efficiently insulated, I am able to run my air conditioner at 67°F or even lower. On the other hand, my daughter struggles to get her air conditioner to reach a comfortable 72°F during the summer months. The meticulous sealing of every nook and cranny in my house has proven to be a money-saving technique. Living in Louisiana, where the humidity can make it feel like 110°F on an average summer day, I do not shy away from using my air conditioning. In fact, I treat myself to lots and lots of air conditioning. Surprisingly, my electricity bill for this month was only $43, despite running the pump to my swimming pool and using 12 Flowtron mosquito zappers throughout the night. In contrast, my daughter's bill, without a pool or bug lights, was $180, and her house always feels warm.

Part of my strategy to keep my electricity bill low is to take advantage of the lower rates during the night. I make my house as cold as possible before going to bed, and as the sun starts to rise, I turn off the air conditioning completely. I only run the air conditioner for about half an hour during midday, and surprisingly, my house stays cold throughout the day.

Now, onto the product itself. I have used similar products in the past, although not this particular brand. It is important to note that when using this product, you must wear protective eye gear and gloves. It is not easy to remove, and you definitely do not want it to come into contact with your skin. Despite this precaution, I found the product to be relatively easy to use. It expands to double the size of the line you put out, which is a great feature. In my case, I needed to fill an area on an outside wall in the basement where the vents for my new gas stove went outside. Being able to trim the excess material was a great advantage.

The only reason I gave this product 3 stars for value is that it was a bit pricey for my budget. However, considering the potential energy savings and the effectiveness of the product, I believe it is worth the investment.

The Seal Spray foam insulation is a game-changer when it comes to insulating walls and other surfaces. Whether you're tackling a small DIY project or a larger job, this product is a fantastic alternative to bulky two-part foam kits.

One reviewer mentioned how they used this foam to insulate their outside wall, which was made of wood and cinderblocks. They found it incredibly easy to use and were able to complete the job by themselves. The foam provided excellent coverage, and they were pleased with the outcome.

Another reviewer shared their positive experience using this foam to insulate their basement bathroom. They praised its ability to cover well and mentioned that it was perfect for insulating between wall studs and against the cinder block exterior. They highly recommend it for both small and large jobs.

One customer was impressed with the efficiency of this product, commenting on its great performance and super-fast delivery. They were particularly happy with the Seal Spray gun and cleaner, as it allowed them to order more foam cans at a significant savings compared to other closed-cell kits. This customer highly recommends it.

In another review, a customer used this foam to coat the inside of a shed they had purchased. They were pleased with how well it stuck to everything, noting that this was crucial for their project. They made the mistake of using a cheaper product for the second run, and that's when they realized the importance of the Seal Spray foam. The other product did not stick or expand as well, resulting in a less satisfying end product. This customer emphasizes the importance of choosing this foam for its superior performance.

Lastly, a customer who had used two-part foam in the past with a cheap plastic gun expressed their satisfaction with the Seal Spray foam and its metal, reusable gun. They found it much easier to spray and clean up, making their experience more enjoyable overall.

I recently used the Sprayman foam spray product to insulate the interior of my 12 x 20 barn roof shed, and I must say, it exceeded my expectations. Despite my initial worries about the cost and my lack of experience, the application process was surprisingly easy. It took a total of 29 cans to cover the walls and roof, and while there are a few areas that require touch-ups, the majority of the sprayed area turned out great. The coverage is almost exactly as advertised, which impressed me considering my inexperience.

To ensure a smooth application, I highly recommend investing in a paint suit with a hood and a quality organic compound respirator. Additionally, I didn't encounter any issues when replacing empty cans with new ones. I took my time, methodically changing cans and climbing up and down ladders, and never experienced any clogging.

I also used this spray foam product inside a metal 10 x 10 shed that covers my well. The entire process took me less than an hour to complete, and I'm an older individual with slow movements. I simply cleaned the metal walls and sprayed water on them before applying the foam. The ease of use and the simplicity of the cleanup process were definite pluses for me. The kit even comes with a cleaner spray can, making cleanup a breeze.

Compared to other options such as the Froth-Pak products, this spray foam and application system offers superior value. For just a slightly higher cost, I was able to purchase six cans of the Sprayman foam and double-coat the necessary surface area with only three cans. Each can is advertised to cover 20 board-feet at a thickness of 1", and while this claim may be slightly optimistic, I was still satisfied with the coverage I achieved. In fact, I still have three cans left for future use.

In a bathroom remodel project, I wanted to soundproof the wall between the shower and the living room. Additionally, I needed to address some old termite damage that had compromised the integrity of the wall. I decided to give this spray foam kit a try, and I was thoroughly impressed. The application process was simple, and the results were outstanding. The sheet rock in that area is now 3-4 times sturdier, and there's no longer any noise transmission from the bathroom to the living room. I only wish I had used this foam in every wall of our home.

I recently purchased a can of foam sealant and was pleasantly surprised by its size. Upon opening the package, I was amazed at the large can that was inside. I ordered this product to seal around the ceiling of my man cave, which is made of corrugated galvanized roofing. There were gaps around the corrugations that needed sealing, and I believed that I would need multiple cans to complete the job. However, after seeing the size of this can, I am confident that it will be more than enough to seal the entire ceiling.

Although I haven't had the opportunity to test its performance yet due to the current hot weather making it uncomfortable to be in the attic, I have used similar foam sealants before and have always been pleased with their effectiveness. They are great at sealing drafty cracks in buildings and are a fantastic energy-saving solution.

In terms of pricing, I find this product to be fair and worthy of a 5-star rating. It is easy to use and comes in a set of three spray cans, making it highly portable. Additionally, the cans come with covers to keep them contained and clean. The instructions advise conducting a test before applying the foam, and I fully intend to follow this recommendation and update my review with the results.

I have also found that the foam sealant cleans the tool nicely and fits properly on my foam applicator. It does exactly what it claims to do and comes with a convenient little spray tip. Overall, I am extremely satisfied with this product and believe it offers better value than what I can find at my local home improvement store.

En resumen, este producto de poliuretano es de una cantidad considerable. Encaja perfectamente en la pistola y funciona muy bien. La única desventaja es que es un poco pesado, pero por lo demás, cumple su función correctamente.

The Insulating Foam Spray Can is a versatile product that can be used for various purposes. In this review, we will discuss two different applications of the product: general assembly and creating a dress form for sewists.

General Assembly Tips:

One common issue mentioned by users is the product spraying before the tube is fully attached, resulting in product wastage and a messy experience. However, there is a simple solution to this problem. Before attaching the nozzle to the can, first, attach the clear straw/tube to the plastic white nozzle. Ensure that the straw is securely in place over the rounded protrusion with a small hole. This will allow you to easily screw the nozzle onto the can without worrying about the insulation spraying out. By following this method, you can avoid product wastage and frustration during assembly.

Creating a Dress Form for Sewists:

For those interested in using this product to create a dress form, the process can be quite effective when done correctly. Start by covering the desired body part with body oil, followed by layers of newspaper and masking tape. To create a form for the lower body, cut down the side of the full leg and carefully remove yourself from the form. Use duct tape to tighten any loose spots and ensure a secure structure.

When applying the insulation product inside the form, be aware that it expands significantly, roughly three times its original size. It is important to avoid overfilling the form, as excessive expansion can cause seams to burst. To prevent this, tightly seal the seams with duct tape after applying the insulation. Additionally, it is recommended to leave openings at the ankle or leg to allow for expansion.

By following these steps, you can create a dress form for pants fitting or upper body garments. For detailed tutorials, Threads Magazine offers a comprehensive guide for the upper body, specifically using the foam insulation method. For the lower body, the YouTube tutorial by noelnova titled "How to Make a Dress Form for Pants" is highly recommended. It is important to note that while the tutorial suggests using masking tape, it is advisable to reinforce high-stress areas with duct tape for better durability, especially if you are working alone and need to move during the process.

I have been using the Window and Door version of this smart dispenser for a while now, and I must say, it has exceeded my expectations. The smart straw feature is a game-changer compared to the old straw design. No more messy foam dripping all over the place! Additionally, I have found that I can use the same can for an extended period of time, with some cans lasting over 30 days.

Here are a few tips that I have discovered while using this product. Firstly, make sure to thread the dispenser all the way onto the valve, even turning the valve itself. Avoid unwinding it, as the pressure in the straw may cause it to unwind on its own, leading to a messy situation. It's important to be mindful of this.

Another thing to note is that the dispenser is made of plastic and can be broken if excessive force is applied to the end of the straw. If you need to force the straw into a crack or apply pressure on the tip, use your other hand to support the end of the straw and prevent any damage to the weak spot where the moving straw part meets the part that screws onto the valve.

To ensure a consistent bead of foam, I have found that slowly releasing the trigger at the end of each spray prevents any sudden gush of foam on the next pull. This gradual release of pressure in the straw avoids any unwanted spurt.

I must mention that I was pleasantly surprised by the lack of clogging issues with this product. Unlike other similar products I have used in the past, this one worked flawlessly even after a few hours without any cleaning. This is definitely a major advantage.

Lastly, I found the small plug at the end of the nozzle to be a great feature. When you squeeze the trigger, the plug retracts, and when you release it, the plug moves forward and reseals the nozzle. This prevents the remaining unused product from drying out, ensuring that it can be used again when needed.