How to remove silicone caulk from fiberglass shower stall

How to remove silicone caulk from fiberglass shower stall. The silicon cork is, held so tight that even after years, it remains held, having fungus and mold growth. This caulk now needs to be removed and replaced by a new one.

  • But wait. do you know how to remove it?
  • So are you having issues in removing old silicon cork?
  • All your queries need some handy hacks and gadgets discussed as:
  • Let’s try and fix it.

How to remove silicone caulk from fiberglass shower stallremove silicone caulk from fiberglass shower stall

Remember that elbow grease with some patience is needed while scraping the caulk.

1. Caulk Scraper and Razor Blade

Try using a caulk scrapper along with a razor blade to remove the silicon cork.

Caulk Scrapers come with either one or two blades that are pointed and are of steel.

  • Take the razor and cut the caulk.
  • After cutting the caulk, it will slightly lift off.
  • Below the silicone caulk, use the scrapper.
  • Caulk may be cut into several pieces to remove with a scrap


  1. Simple
  2. Easy
  3. Economic method.

By this method, you get rid of yellow, mold-loaded silicone caulk. Now purchase and place a new cork to repel water and seal the cracks back.

2. Hairdryer and Razor/Scraperhairdryer and razor:scraper

If the caulk is, held tightly, and the scrapper alone cannot remove it, move towards the other method.

  • Heat the caulk using a hairdryer.
  • Operate the drier for up to 30 sec till the caulk gets moistened.
  • Once it gets soft, use the scraper and razor to cut and remove the silicone caulk.
  • Repeat it till all the caulk gets removed.
  • Once removed, now place a new one to function well.


Remember not to overuse the drier. It might melt the fiberglass shower stall. If a razor is employed, try not to damage anything by scratching.

3. Chemical Caulk Remover and Scraperchemical caulk remover and scraper

If you tried both methods, but still the caulk isn’t removed, use chemical base caulk remover, along with a scrapper.


Different types of caulk removers are available in the market.

If you find any confusion selecting caulk remover, go for any of these two.

  • Goo Gone Caulk Remover
  • Mostenbockers Lift Off Caulk Remover

Remember to follow the product use guidelines before using any remover.


  • Apply chemical remover to the silicone caulk.
  • Wait for a couple of hours till the caulk gets softened.
  • After several hours, take the scrapper, lift the caulk and remove the soft caulk.
  • Make sure the place has a ventilation system.
  • Once removed, replace it with a brand new one.


  • Using chemicals may be hazardous.
  • That’s why this method is employed when none of the other methods works effectively.

Some people do ask to use WWD40 Remover, but this is not a good choice. It has worse effects on the stall later.

4. Rubbing Alcohol with Scrapper

Using alcohol can be mildly effective in removing silicon cork.

  • Add some rubbing alcohol to the caulk.
  • Wait for some time till the caulk gets soft.
  • Then with a scrapper, remove the silicone caulk and replace it with
  • the new one.
  • If chemical remover is unavailable, opt for rubbing alcohol. This method is an alternative to chemical remover.


  • Some alcohol might damage the shower stall.
  • Remember not to use rubbing alcohol before performing a spot test.
  • Ensure stall safety.


How to remove silicone caulk from acrylic tub?

WD-40 is a safe, effective, and efficient way to keep your bathroom appropriately clean.

Use it liberally on the silicone sealant to remove any extra pieces that might still be clinging to the surface of your tub.

As an added bonus, WD-40 is also safe to use on acrylic shower curtains, so you’ll need not worry about investing in another curtain if you love your current one.

How to remove silicone caulk from tile

Silicone residue is typically removed with a razor blade scrapper. If it leaves a film residue on the surface of the tile, you might try to use xylene, acetone, or goof-off.

You can also try silica sand with water and its scrubby side for an abrasive clean-up of silicone residue left behind.

Removing silicone from tiles wd40

Once the surface is clean, ensure that it’s dry before bringing out the silicone sealant.

Spray WD-40 Multi-Use using the Smart Straw on a spot of your choice to get the silicone sealant off easier than an average knife.

Grasp the silicone and quickly peel it off without worrying about harming your surface in any way.


How to remove silicone caulk from fiberglass shower stall. Silicone caulk get mold flooded over time.

The best methods to remove caulk include a scrapper with a razor, a drier with a scrapper, and a chemical remover with a scrapper.

While using the chemical remover, maintain a proper ventilation system to ensure safety from any hazardous chemicals present in the remover.

You can also use rubbing alcohol but use it with caution.

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