How to Remove a Popcorn Ceiling

This is the one step you cannot skip. Popcorn texture sprayed on before the mid-1980s frequently contains asbestos, and you can't tell by looking — the only way to know is a lab test. Lightly mist a 2-inch patch so it won't release dust, scrape a small sample into a zip-top bag, and mail it to an accredited asbestos lab (about $30 to $60), or hire an inspector; the EPA recommends professional testing. If the ceiling was painted before 1978, test for lead too. Do not scrape, sand, or even brush the ceiling until the results come back clear.

Empty the room of everything you can move, then turn OFF the power to the ceiling lights and fan at the breaker and take the fixtures down, capping the wires and covering the boxes with painter's tape. Cover the entire floor and the walls with 4-to-6 mil plastic sheeting, taped along the top — the wet scrapings are heavy, they stain, and they go everywhere. Shut off forced-air HVAC and tape over the vents so dust isn't pulled through the system.

Before committing, mist a 2-foot-square area with warm water, wait 10 to 15 minutes, then try to scrape it. Unpainted texture soaks up the water and peels off in soft sheets — you're in for an easy, if messy, job. If the water beads up and the texture stays hard, it's been painted (or paint was mixed into it), so water won't penetrate; you'll need to dry-scrape, score and soak longer, or reconsider skimming or covering it instead. Knowing which you have now saves hours of frustration.

Fill a garden pump sprayer with warm water and a squirt of dish soap or liquid fabric softener, which breaks the surface tension so the water soaks in. Working in 4-foot-square sections so the water doesn't dry before you reach it, mist the ceiling until it's damp but not dripping, and let it soak about 15 minutes. The goal is to soften the texture, not to soak the drywall — too much water delaminates the paper face and loosens the joint tape at the seams.

With the section softened, hold a wide drywall knife nearly flat against the ceiling and push to peel the texture off in sheets — a 10-to-12-inch blade covers ground fast, while a 6-inch handles edges and corners. Catch the wet scrapings in a mud pan or tray held just under the blade. Re-mist any spot that resists rather than forcing the knife, and slightly file or round the two corners of the blade so they can't dig in — gouging the drywall is the main thing that creates extra patch work later.

Scraping almost always reveals dings, gouges, popped nails, and joint tape that needs re-bedding. Knock down any ridges, then spread a thin skim coat of all-purpose joint compound over the flaws and seams with the wide knife, feathering the edges so they blend into the surrounding ceiling. Let it dry fully — usually overnight, longer in humidity — because compound that's painted before it cures will crack and flash. A second thin coat is normal for a truly flat result.

Once the compound is bone-dry, sand the ceiling with a pole sander — 120-grit to knock down the patches, then 220-grit to blend everything smooth. This is the dustiest step, so keep your respirator and goggles on. Then vacuum the ceiling, walls, and plastic with a shop vac and wipe the ceiling with a barely damp microfiber cloth, because primer won't bond to a dusty surface.

Roll a coat of stain-blocking primer over the entire ceiling, not just the patches. Bare joint compound and any old painted areas absorb paint differently, and priming everything evens that out so the finish coat doesn't flash to a blotchy sheen. Use a PVA drywall primer for a normal ceiling, but switch to a shellac- or oil-based stain blocker over any water stains or marker, which will bleed straight through a water-based primer. Let it dry per the label before painting.