I followed the directions to the tee, and the product worked perfectly. Very easy to work with. I had most of my house done professionally in the past. This new project was small. There is no difference between the two applications. I highly recommend Froth-pak.

We used this foam after rodents chewed the insulation and turned our hot tub innards into a rat resort. It worked well. We had to change tips occasionally but they provided plenty for the job. We bought two kits but mainly needed about 1.5 kits for a very large tub. We used up the remainder on another small job and over insulated some other parts. It got all over the PPE suits and gloves, we were glad to be thoroughly covered. It worked as advertised. I would think that anyone who had problems got a bad batch or did not follow the directions carefully.

I can't speak to anyone else's issues but my project went incredibly easy. I purchased 7 kits and used 6 of the 7. I calculated that I would need 5 kits. I anticipated coming up short but I didn't. Of course, I don't think I have 2 full inches of foam over the entire area but I know it is well sealed.
These kits performed flawlessly. I simply followed the instruction and started spraying. I could not have asked for more and I'm very happy with the outcome. I would highly recommend this product without reservation.

The coverage is less than 200sf, but it applies well and easily. Wear gloves :) this stuff doesn't come off after it dries on skin.

I've researched these types of kits for a while, looking for one that fits my needs. With all the crazy negative reviews, I just figured I would choose this one and hope for the best.

I read the directions front to back. It required the bottles to be at 75 degrees for proper flow and curing. My application was inside our shuttle bus that we are converting to an RV. Since the vehicle was outside and we are still in the latter part of winter, it was in the high 40s, low 50s. I taped plastic on my walls and floor and placed a small space heater in the area to warm it up. While that was happening, I went on to other tasks. Every so often, I would come in and check the temp with my temperature gauge, and when the temp of the bottles was at 78 degrees, I prepared the bottles for use, suited up put my respirator mask on and removed the space heater and my extension cords for safety. I sprayed the ceiling and the product laid down nicely, no issues whatsoever. The additional tips worked out great since if you stop for about 30 seconds, the product begins to cure in the tip. Changed out the tip and finished the job.

I'm not a professional foam sprayer so when I went back to "fill in" certain areas, I ended up causing lumpy spots. Not really that big a deal, that can all be cut or shaved off.

I would absolutely purchase this product again for my next spray job!!
Hope this helps others.