Size issues. In this situation, you are limited to the number of square feet you could scuff before needing to call the pro's.
You are most likely, but not necessarily taking care of asbestos. Obtain an asbestos test package and also send it in, or contact a screening firm. Armed with this knowledge, you can after that make an educated decision. In a non-asbestos situation, I would advise scraping after careful prep to accumulate and also have the "snacks". Make use of a straightedge to then discover your dips and humps and also skim layer the whole surface area to the highest level of monotony you can attain. Bear in mind, "popcorn" covered a wide variety of transgressions, and you may not be able to get that smooth ceiling with glossy paint you desire. Adding a 1/4 ″ layer of gypsum would likely make it worse, not better, because of drooping, so I would suggest you utilize a minimum of 1/2 ″ appropriately shimmed if you do an overlay.
If you have asbestos, do not interrupt it. 1/2 ″ or 5/8 ″ plaster to cover it, or have actually the asbestos eased off by the experts. You can scratch a little area yourself, utilizing the very same arsenal of tools they use: Cautious masking and insulation, respirator, boot covers, and also disposable coveralls, an air lock entry, marked "asbestos: hazard" dual bags, HEPA filtering, misting, etc. I'm uncertain of the size limitation, I think it is either 100 or 150 square feet, unless the Environmental PolluteMe Company has gotten rid of that regulation too. Do not deal with an untried surface without the presumption that you are in fact troubling, making "friable" asbestos that you will quickly be including in your lung cancer danger factors. Do not do it. I was doing this and also various other messy dirty tasks prior to the knowledge and also cautions reached the general public, I pay for it every day because of this and want to spare you that anguish.
The guidance on asbestos has actually gotten better and also forth throughout the years, they suggested removal in all instances for a while, then decided the removal was creating too many problems by disrupting what really did not need to be made airborne, so they suggested awareness and possibly encapsulation. "THE BEST THING To Accomplish WITH ASBESTOS PRODUCT IN GREAT PROBLEM IS TO LEAVE IT ALONE!" "Elimination: Usually the most pricey approach and also, unless called for by state or local regulations, should be the last choice taken into consideration in most scenarios." United States CSPC (Asbestos In The House).