Skip to Content
4 min reading time
Sealing showers: simple!

How to seal a shower and rejuvenate your bathroom

Knowing how to seal a shower is a valuable DIY skill. With the right tools and know-how, you can make your shower sparkle again, transforming your bathroom. Read on to discover how to seal a shower stall like a pro.

How do you know when it’s time to seal a shower?

Take a close look at the current sealant in your shower. If it’s starting to peel away or going mouldy, it’s time to re-seal your shower – a quick and easy solution that will save you time and money. If ignored, old, cracked sealant will eventually let in water, damaging the walls. Learn how to seal showers now and you’ll avoid unnecessary hassle and expense in the future.  

Preparing to seal a shower

Before you start sealing, make sure you’re prepared.

Tools

To seal a shower you’ll need the following tools:

  • cartridge gun

  • silicone sealant remover 

  • knife   

  • smoother and remover tool

  • gloves   

  • paper towels

  • white spirit

  • mould remover

How to remove old sealant

You can’t apply new sealant until you’ve removed the old sealant. Here’s how to do it.

  1. Use sealant remover tool to remove as much sealant as possible.
  2. Apply UniBond Silicone Sealant Remover only if necessary. This will soften the remaining sealant and make it easier to scrape away.
  3. Clean and dry the surface. Scrub the area with a paintbrush soaked in soapy water, then use mould remover to remove any remaining mould.

HOW TO SEAL A SHOWER

So, now you’re ready, here’s how to seal a shower.  

  1. Prepare the cartridge gun. Cut the tip of the cartridge above the screw thread and trim the nozzle to size. Insert the cartridge into the silicone gun, adjust the trigger, and then test on some scrap material.
  2. Apply the sealant, starting in the corners. Work slowly and carefully to ensure a smooth, even application. Keep the gun at a 45-degree angle and maintain even pressure.
  3. Smooth the sealant. Use a remover and smoother tool such as UniBond 2in1 Sealant Remover and Smoother Tool.

The best sealant for sealing showers

There’s a wide range of silicone sealants on the market, but if you’re sealing a shower you should be looking out for products that are waterproof, mould-resistant and durable. UniBond has a range of sealants such as anti mould, kitchen and bathroom anti mould. 

For a quick fix, UniBond Kitchen & Bathroom Shower in 1 Hour is perfect; it dries and sets quickly, so you can use the shower just one hour after application.

For ultimate mould resistance and for sealing sensitive surfaces such as natural stone, try UniBond Kitchen & Bathroom Triple Protect Sealant, which comes with a lifetime guarantee. It’s ideal for keeping your bathroom in pristine condition year after year.

Share this project

You may also be interested in