Best Silicone for Shower in Australia & Buying Guide

A leaky or messy shower seal can turn into a bigger problem than you expect. The best silicone for shower keeps water out, helps prevent mould, and stops edges from staining or peeling. You also want silicone that stays flexible and doesn’t crack after regular use. With so many options in Australia, it can be hard to know which one will last. In this article, we share a few trusted products sold in Australia, and explain how to apply them neatly so they stick well. With the right silicone and a clean application, your shower stays sealed and easy to look after.

Key Features to Look for in the Best Silicone for Showers

Before you choose a silicone, it helps to know what really matters. A lot of products look similar on the shelf, but the right features make the difference between a seal that lasts and one that peels in a few months. Here are the main things to check.

100% Silicone

The highest-quality shower sealants are made of 100% silicone. Unlike hybrid or acrylic-based sealants, pure silicone provides superior adhesion, elasticity, and long-lasting performance. It adheres to tiles, glass, and other bathroom surfaces without cracking or shrinking over time.

Water Resistance

A shower sealant must keep water exactly where it belongs. Water-resistant silicone prevents leaks, seepage behind tiles, and damage to walls and cabinetry. Look for products rated for constant exposure to moisture for optimal protection.

Mold and Mildew Resistance

Pick silicone labeled mould-resistant or anti-fungal. Showers stay damp, so regular sealant can stain with black spots. Mould-resistant silicone slows that growth and keeps the line cleaner longer, which means less scrubbing and fewer re-seals.

Durability and Flexibility

The best silicone shower should remain flexible even as the bathroom materials expand and contract with temperature changes. Durable sealants maintain their shape and adhesion for years, avoiding gaps and peeling.

Ease of Application

Even the best silicone won’t work well if it’s a nightmare to apply. Look for products that have a smooth consistency, nozzles that are easy to use, and a good working time. That working time lets you shape and finish the bead neatly without rushing.

Appropriate Type for Your Shower

Not all silicones are suitable for every surface. Some are designed for tiles, others for glass, metal, or acrylic. Always check the product’s specifications to ensure it’s compatible with your shower materials.

Non-yellowing

Over time, some silicone can discolor, leaving unsightly yellow stains around your shower edges. High-quality, non-yellowing silicone keeps a clean, fresh look even after years of constant exposure to steam and cleaning products.

Top 6 Best Silicone Products for Showers in Australia

Silicone products help keep your shower sealed, mold-free, and looking clean, crucial in a damp environment like the bathroom. Let’s check out six top-rated options available in Australia.

Best Overall: Gorilla Waterproof Caulk & Seal Silicone Sealant

The Gorilla Waterproof Caulk & Seal Silicone Sealant in a 10-oz clear cartridge is a high-performing choice for any bathroom or kitchen project. This silicone is mold- and mildew-resistant and won’t yellow, shrink, or crack over time, ensuring a long-lasting seal. It’s ready for water exposure in just 30 minutes, making it both fast and reliable. Designed for indoor and outdoor use, it provides a 100% waterproof seal, effectively blocking air, water, and moisture wherever it’s applied.

Best Value: SELLEYS Wet Area Silicone

If you need a cheap option that still lasts, SELLEYS Wet Area Silicone is great. It's made from 100% silicone, so it offers excellent protection. It fights mold, stays totally waterproof, and won't shrink or crack over time. Plus, it's safe to use indoors (low VOC), and it even comes with a 25-year guarantee against peeling or cracking. Since it works on almost anything ceramic, glass, metals, and plastics, it's a reliable go-to for bathrooms, kitchens, and laundries

Best Quick-Drying: GE Supreme Silicone Caulk

The GE Supreme Silicone Caulk for Kitchen & Bath is all about speed and performance. It fully cures in just 30 minutes! This white cartridge is perfect for showers, tubs, sinks, and countertops, giving you a 100% waterproof seal every time. The formula has a low odor, so it's safe to use indoors. Plus, it won’t discolor or harm metal finishes like chrome or nickel. It’s built to handle temperature changes without shrinking or cracking, which guarantees a durable, professional finish for any bathroom or kitchen project.

Best Mould-Resistant: Parfix Kitchen & Bathroom Silicone Sealant

The Parfix Kitchen & Bathroom Silicone Sealant is a sanitary-grade, white silicone that’s perfect for showers, tubs, splashbacks, and vanities. It cures quickly to form a watertight seal. It also has agents inside to fight mold and fungus, which helps keep your wet areas cleaner for a long time. Since it sticks really well, you get a durable, long-lasting bond. That makes it a super reliable choice for any high-moisture area.

Best For Glass & Tile: Loctite Clear Silicone 80ml

Loctite Clear Silicone is a super versatile, multi-purpose sealant that you can use on glass, tile, porcelain, metal, and tons of other things. It gives you a waterproof, flexible bond that won't crack, peel, or shrink, even in extreme temperatures. It's even safe to use on aquariums and plumbing fixtures. It dries clear for a professional finish, is tack-free in just 2 hours, and fully cures within 24 hours. This sealant is perfect for projects where you need precision, durability, and a really clean look.

Best Professional-Grade: Bostik Kitchen & Bathroom Acetic Cure Silicone

The Bostik Kitchen & Bathroom Acetic Cure Silicone is a premium sealant designed specifically for wet areas in homes and commercial buildings. It fights mold and mildew even when things are hot and humid. It keeps a waterproof, flexible joint that can handle up to movement. It's perfect for showers, bathtubs, glass, tiles, and sinks. This high-performance silicone resists UV light and is super durable long term. Just remember, you should not use this one on marble, granite, or any stone surfaces because it might cause discoloration.

How to Apply Silicone Correctly in Your Shower?

Applying silicone the right way means you get a long-lasting, watertight seal and a professional look. You have to start by cleaning the area thoroughly. Make sure you remove all the old silicone, dirt, soap scum, and grease. The surface absolutely has to be bone-dry for the new silicone to stick correctly. Cut the nozzle of your silicone tube at a 45-degree angle. The cut should match the width of the gap you are filling. Then, use a caulking gun and push the silicone out steadily along the seam. Keep the pressure consistent so you don't get gaps or air bubbles. Smooth the bead right away using a wet finger, a proper caulking tool, or a spatula to get a clean finish. Once you're done, let the silicone cure completely before you let any water hit it. Most products need anywhere from 24 to 48 hours to fully cure, though some fast-dry types only take about 30 minutes. The same method works around bathtubs and most bathroom products, especially areas that deal with constant splashes. Applying it correctly stops leaks, prevents mold, and makes sure your sealant stays flexible and durable long-term.

Conclusion

Using the best silicone for shower really matters. It keeps the area sealed, stops leaks, and helps the bathroom stay clean. There are options for every budget, from basic 100% silicone to fast-drying or trade-grade types. When choosing, look for strong water resistance, good flexibility, and a formula that’s easy to apply. If you get those basics right, the seal will last longer and protect your home from water damage.

FAQs

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