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How to replace silicone base on shower screen?

AA2024

Hi there,

The silicone base on the shower screen has yellowed over time (pictures attached) and has some mould growing on it.

I am hoping to remove and replace the existing silicone as it is not weight baring, however am seeking advice on how to make it neat as it is a large gap to fill. Would using painters tape help here?

Many thanks,

Alice

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EricL

Hello @AA2024

Welcome to the Bunnings Workshop community. It's sensational to have you join us, and thanks for sharing your question about your silicone seal.

Just a friendly reminder when working around glass to please be extremely careful as any accidental hit on the glass could cause it to shatter and cause injury.

I suggest using the CornerTape Professional Silicon Remover in combination with a Trojan Safety Scraper. Please note that using the safety scraper at an angle can cause it to gouge the bath finish so please be careful when using both tools. Using painter's tape is the key to getting a great finish which you'll see in the guide below. I propose using Selleys 300g Clear Wet Area Waterproof Silicone Sealant to replace your old sealer.

Here is a handy step-by-step guide: How to silicone seal a bath. (the techniques used are applicable to your project)

Please remember to wear personal protection such as gloves, goggles and mask when working on your project.

If you need further assistance, please let us know.

Eric

alex27

Interesting question. I was just wondering you have managed to do it.

I am planning to replace silicone on my shower screen, but I see a potential problem. In my case, the glass does not sit directly on the bathtub, there is approximately 5mm gap between the bathtub and the shower screen which is filled with silicone, and I am afraid that if I remove the old silicone, the shower screen may collapse or tilt. How would I prevent it from collapsing and keep in place and leveled until the new silicone hardens? Can anyone suggest a solution.

EricL

Hello @alex27

Just a friendly reminder when working around glass to please be extremely careful as any accidental hit on the glass could cause it to shatter and cause injury.

Let me tag @AA2024 to make them aware of your query in regards to the silicone replacement. I propose using a timber wedge at the end of the glass panel and fixing it in place using duct tape. This will prevent the glass from tilting while you fill the gap with new silicone. Once the silicone has fully cured you can then remove the timber wedge and fill that last bit with silicone.

Let me call on our experienced members @Dave-1 and @Nailbag for their recommendations.

If you need further assistance, please let us know.

Eric

Nailbag

Hi @alex27

Within the silicone there will be semi-translucent silicone spacer blocks also known as glass setting blocks which the glass is or should be resting on. The blocks are then siliconed over.

Run a sharp blade along the silicone to see if and where they are positioned. These can be left in place or you can buy replacements from local shower glass screen manufactures/installers. Use a sharp knife to carefully trim to size.

Once you have removed the silicone, clean the surface thoroughly with turps and allow to dry, before applying the wet area silicone. Done use the shower for 24hrs.

Nailbag

Dave-1

Good morning @alex27

I was thinking a wedge as well until I read @Nailbag 's response, My new thing I have learned for the day 🙂

Dave

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