![]() I am however still unsure about skimming my project with a straight veneer plaster. is closer to plaster in its hardness, set time, sanding issues. ![]() the dura if this is what you were referring to. I'm inclined to believe the same with over JC or over durabond. But I believe I was way over thinking the entire process. I realize bonding and cracking is test of time. at a 2=1 ratio, but I didn't hear it from them. Why pay 60 a gallon? USG even told me if I didn't have the right base coat, to wait but with any questions at all about bonding, as there can be dozens of reasons to question this, to add white glue when I mix the plaster. It's all made with elementary school white glue. What a nightmare to get a straight answer. From spending about 16 hours online searching for info about plastering, the basic questions are all the same. The makers and suppliers of the products need to have answers to a half dozen basic questions. Big box stores and lumber yards if they are going carry veneer plaster, then they need to have at least 4-5 bags of basecoat on hand. And I just happen to be dealing with the same thing right now. He didn't mention the interior trim, but doing this since the mid 1960's it was very easy to see what the issues were. The asker even touched on the wall thickness he had to achieve and why his only option was 3/8's drywall. The question was to do with will the plaster bond to the 3/8 " drywall. Otherwise the finish wwall would be even with or protrude beyond all the trim. 3/8" drywall on the wood lath is more than sufficient to hand new drywall on. That time period, studs were put up on the flat. it would end up costing 20 times plus to increase the thickness of the wall board. So the pro who answered, didn't take into acct. If the house is older the plaster butts ALLL the trim. I also had the same question why I found that question posted. That wasn't the question, it was stated for the purpose of getting the right bond and being sheetrock because they didn't want to remove all the lath. The answer went on about not enough strength. I read a post a couple days ago and someone asked if they could plaster over 3/8" drywall. Half the big box stores don't even have a decent supply of blue board. So all repair work needs a basecoat, Red Top I believe is what USG told me. I'm sorry but don't trust your answer, as I think there are 2 answers. I want to skim it all with veneer plaster. More old plaster to bond to but my guess is 35% of a stairway has been patched, taped, finished with JC. I have JC on old plaster that is clean and has a bonding agent, and has parts that are skim coated with JC. It is frustrating, because it is the same question I asked. I can find more info about people putting plaster over regular plywood and exposed to the elements than a straight answer to JC. The answers are typical when the question is will it bond to regular drywall. There is more discussion about laterals and horizontials of which I'm assuming again it's a part of the hanging process and has absolutely nothing to do with the basic question. Referring to their PDF files is like, forget it. Though the guy who is suppose to know was off on Presidents day., lol. The same result I had calling USG directly. ![]() I have found so many answers to questions about this trade, left to numerous assumptions for each question and leave the thread, with NO answer. What else would one do the treat the seams. What is prep your seams? You say use a paper tape. The compounds have different chemicals in them, but even regular JC can be bought in a bag and mixed yourself. ? You begin by saying You can apply veneer plaster over setting type compound. I have to assume your referring to durabond product. Setting type compound? All compound sets up. Second the various tapes and products I'm getting a strong feeling that they are called different things in different parts of the country. Maybe I'm just not reading correctly, but I interpret your comment as yes you can and no you can't. Your comment is reflective of so many about plastering. ![]() I have even called USG, and can't get straight answers about using different methods for different issues. Base coat plaster, is impossible to get unless you order on line and with the supply chain issues, maybe get in 3 weeks. First, only JC, durabond, and veneer plaster are the products anyone can put their hands on, the time it takes to get to a big box store. Damon, excuse me, I have been researching numerous issues or for my own knowledge info about plastering.
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