Poultrygeist
Lunatic Member
Sorry, I am a house painter and I mix up cement almost every day, Durobond. I mix it up in plastic buckets. To clean them to use again I let the Durobond completely dry and then knock it out with a karate chop or a slight tap from a hammer. It comes out with ease and in chunks. I also did this with cement when I poured foundations for tomb stones, a job awhile ago. I thought about the sub woofer I just made. Any pressure or vibration is going to loosen the cement from adhering to the buckets plastic. In time the sub could become a rattle trap. In my next build I'm going to put 8 1/8 inch wooden dowels about a foot long, any hardware store, and have those taped to the buckets side equidistant from each other and pull them out when the cement is close to setting. That would give me 8 holes on the sides of the set cement when dry. With my caulking gun I would force some silicone, Phenoseal, Home Depot, Lowes, into those holes. There are always some irregular surfaces on the set cement. Not only the 8 holes but the (fissures) that come off them will be filled with Phenoseal making sure the plastic inner area of the bucket adheres to the cement until the sun burns out. I'll take some pictures on bucket number two. I have noticed painting that Phenoseal caulking seems to be more dense but plyable than other painting caulks. When air hits it it dr
ies even though it might be going in an air tight space. Some other caulks don't do that.....hey take care...Mark Korda
You've overthought this simple project. My bucket subs have played continuously for a couple of years with no issues. Same for their designer and his have been going strong for 5+ years. We used Quikrete not Durobond which is a different product and the buckets are treated like any other piece of audio gear which means no karate chops or hammer blows.