Easy methods to deal with peeling paint on walls

[TinyTool]

Hi everyone,

What’s the best way to remove old peeling paint from interior walls before repainting? Is it always necessary to strip the paint completely, or can sanding or priming be enough in some cases? Also, is there any easier method than sanding for preparing the surface?

[Downaski]

Hi there!

If the paint is already peeling, you’ll want to remove as much of the loose stuff as possible first. A paint scraper or putty knife works well for that. You don’t always need to strip all the paint completely. If the rest of it is still firmly stuck, you can usually just sand the edges smooth and then prime over it.

Sanding helps create a better surface for the new paint to stick to, but if you're looking for an easier method, some people use a liquid deglosser or paint prep solution instead. It won't remove peeling paint, but it can help dull glossy areas and prep the surface without all the dust.

Just make sure everything is clean, dry, and smooth before priming and repainting.

[TinyTool]

What if I decide to remove all the paint from certain areas, especially where it’s peeling? Is there any easier way to do that besides sanding?

[Downaski]

If you decide to remove all the paint from certain areas where it’s peeling badly, sanding is one option, but it’s not always the easiest.

For larger sections, you might try using a paint stripper or a gel-based paint remover. These products soften the old paint so you can scrape it off more easily with a putty knife. They’re especially useful if the paint is thick or there are multiple layers. Just make sure to work in a well-ventilated area and follow the safety instructions on the label.

Another method is using a heat gun, which warms the paint until it bubbles and becomes easier to scrape. This works well on wood or older plaster walls, but you have to be careful not to overheat or damage the surface. It’s not usually recommended for drywall, since it can be more delicate.

So while sanding works fine for smaller patches or feathering edges, a paint stripper or heat gun can save time and effort if you need to remove larger areas of old paint.

[TinyTool]

Thanks, Downaski. How long does it usually take to strip paint from a medium-sized room using a gel remover or heat gun?

[Downaski]

You're welcome! For a medium-sized room, the time it takes to strip paint with a gel remover or heat gun really depends on a few things, like how many layers of paint there are, the type of surface, and how thoroughly you want to remove everything.

If you're using a gel-based paint remover, it usually needs to sit for about 15 to 45 minutes to soften the paint. After that, you scrape it off, and you might need a second round if there are multiple layers. Doing one wall section at a time, the process can take several hours, so stripping an entire room might take a full day or even more if you're being careful.

Using a heat gun is more hands-on. It works well on small areas, but since you're heating and scraping manually, it takes time and can get tiring. For a whole room, you're probably looking at several hours or a couple of days, depending on how fast you go and how stubborn the paint is.

Both methods can definitely be broken up over multiple sessions if you're not in a rush.

[TinyTool]

Got it, thanks again!