POLYSTYRENE ceiling tiles are unsightly and old-fashioned, but removing them isn’t much fun, so be sure you want to.
Once you’ve started scraping them off, you can’t just stop.
Make sure you have a ladder tall enough to enable you to reach the ceiling without stretching and straining, as this could be dangerous. The ladder should always be placed on a flat, stable surface and the floor should be protected from falling debris, unless you’re planning to replace it.
You’ll need a stripping knife to scrape off the tiles. One with replaceable blades is a good idea because you can change the blade when it becomes blunt.
Be careful about damaging the ceiling underneath, especially when the blades are sharp, as plaster can be very soft and prone to gouges.
Once you’ve removed the tiles, you’re left with the problem of the adhesive underneath. You can continue scraping this off, but it will be easier if you use a hot air gun to soften the adhesive first. Scrub any remaining adhesive off with an abrasive sponge dipped in solvent thinner.
Be careful when using the hot air gun, as, again, you don’t want to damage the ceiling.
make sure to wear protective gloves, glasses and a dust mask and to ventilate the room.
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