Air sealing the back side of our hot tub panels with @greatstufffoam Wide Spray. (ad) Comment “Link” for product info sent right to your inbox. We picked up a broken hot tub and got it working again after fixing some mechanicals and the rotted frame. Bringing this hot tub back to life has been one of my favorite projects so far! Wide Spray covers more surface area and the rotating fan tip was helpful to get vertical or horizontal sprays. I used the cone tip for a more precise application. I usua