DIY Guide: How to Repair a Cracked Shower Base Quickly and Easily

A cracked shower base is not only an eyesore but also a serious problem that requires immediate attention. If left untreated, it can result in major water damage to your bathroom floor and even spread to other areas of your home, putting the integrity of your house at risk. Nobody wants that! So, before a simple crack escalates to a major renovation and gets out of control, it is crucial to identify and assess the cracks in your shower base, or shower tray, as soon as possible. 

There are several (and easy) ways you can do at home to determine whether or not there is a crack in your shower base. The most obvious way is by looking for visible signs such as discoloured grout, loose tiles, or water stains on the floor beneath your shower. Another way is to gently tap on the surface of your shower base using a rubber mallet or a metal object to detect any hollow sounds, which might indicate that there may be a crack beneath the surface, such as a hairline crack or even a larger patch that requires filler. 

Once you have thoroughly checked the crack and identified the cause of leak in your shower base, only then can you get started with a repair plan. By being able to assess first the severity of the crack and identify any underlying issues before doing any repair, it will help you determine the most appropriate repair method and ensure a successful outcome. 

Common Causes of Cracks

One of the most common causes of cracked shower bases in Melbourne is physical stress caused by heavy loads or impactRepairing Shower Base damage. For instance, placing large objects like heavy shampoo bottles on one side of the shower can cause uneven weights that lead to cracks over time. Additionally, dropping heavy objects or stepping forcefully on the base can also create stress points and weaken the structure. Taking these things into account, it is important that you avoid placing heavy items directly on the base and always be cautious when using the shower to prevent accidental impacts.

Another cause of cracks may be related to improper installation where the contracted worker did not properly prepare the subfloor or did not use the right materials, causing the shower base to separate from the subfloor or wall over time. If the base is not properly supported or if the materials used are subpar, it can lead to structural weaknesses and eventually result in cracks. That is why it is important to always work with a company or a contractor with proven workmanship like Shower Care with over 35 years of experience in the Melbourne building industry. 

Finally, general wear and tear such as discoloration or fading can also lead to weakened areas that are more prone to cracking. While some people may argue that exposure to harsh chemicals is a significant contributor to cracked shower bases, it’s unlikely that damage will be so severe that it causes the actual base to crack. This is because shower bases are typically made of durable materials like acrylic or fibreglass designed for wear and tear.

Preparing the Shower Base for Repair

Repairing a cracked shower base requires proper preparation to ensure a successful and long-lasting fix. By taking the time to prepare the shower base before starting the repair process, you can ensure the durability of the repair, and restore the functionality of your shower. Below are steps to follow when preparing a shower base for repair:

The first step involves removing all items from the shower area, including soap dishes, shower mats, handles and other accessories that could hinder your access to the damaged area. This will make it easier for you to work and provide you with sufficient workspace to prevent any accidental damage. And just like any home repairs, it is crucial that you wear protective gear such as safety goggles and gloves to shield yourself from any potential harm. 

The next step involves removing any silicone caulking or sealant around the edges of the shower base and tiles. Closely inspect the cracked area for any loose or damaged materials to ensure a clean and smooth surface. You can use a tool such as a scraper or putty knife, which has been proven helpful in doing this task. Take care not to apply excessive force that could further damage the base. While you are doing this process, also check if there are any major cracks that may need fixing or replacing if irreparable. 

Once all silicone caulkings have been removed, examine the base surface closely, such as shower trays, looking for any signs of mould, mildew, drain issue, or discolouration. If there is any visible mildew growth, tile problems, or dirt, the surface needs cleaning thoroughly before proceeding to the next stage in the shower repair process. A clean and debris-free surface is essential for optimal adhesion during the repair.

Cleaning and Sanding

Although some people may be tempted to skip these steps or rush through them to complete repairs quickly, proper cleaning and sanding are actually two essential steps that lay the groundwork for a successful and long-lasting repair. Cleaning the surface removes unwanted dirt, grime, and residue while sanding creates a smooth and suitable surface for adhesion. 

Firstly, clean the area with warm water and soap using a sponge or scrubber brush. Remove any soap scum, mineral deposits, or residue that may interfere with the bonding of repair materials.  You can also use primers such as acetone or denatured alcohol to remove any adhesive residues stuck on surfaces. Once everything is removed, rinse the area thoroughly and allow it to dry completely.

This will then be followed by proper sanding. Sanding helps create a rough surface which is an ideal texture for adhesion and promotes a seamless repair. Begin by using 80-grit sandpaper, then transition to a finer grit to smoothen the surfaces before applying any repair material, such as shower trays seal. This step helps the repair materials adhere more effectively to the shower base. After sanding, wipe away any dust or debris using a clean cloth.

Remember, investing time and effort in cleaning and sanding will lead to a more durable and aesthetically pleasing repair outcome. Careless preparation can only cause further damage and reduce the adhesion of repair materials.

Step-by-Step DIY Guide to Repair a Cracked Shower Base

Repairing a cracked shower base may seem like an overwhelming task, especially if it is your first time doing it yourself. But with the right tools and techniques, plus this easy-to-read blog, it can be done quickly and easily. Here is a step-by-step guide to repairing a cracked shower base yourself:

First, identify where the crack is located. Cracks can occur in different areas of your shower, such as the base or walls. Once you have found the crack, assess the damage and determine the extent of repair required. It is important to inspect the entire area to make sure that the crack is not part of a larger structural issue.

Next, remove any loose tiles, grout or old adhesives around the affected area by gently scraping the cracked edges. This will ensure that nothing interferes with the repair process and that your finished work looks seamless.

Clean and sand down the affected area using fine-grit sandpaper. This will remove any dirt or debris and ensure that your repairLeaking Shower Floor solution will adhere properly.

  • Industry experts estimate that repairing a cracked shower base can extend its lifespan by up to 10-15 years when done properly.
  • It is estimated that approximately 70% of shower leaks occur due to issues in the shower base, such as cracks or improper sealing.
  • A study conducted in 2017 revealed that timely repair of cracked shower bases can prevent long-term water damage to the home and associated repair costs, which have been reported to average around $6,000 per incident in severe cases.

Epoxy and Cement Methods

You might be wondering what happens next when all the cleaning, sanding and other necessary preparation is all done. Well, the answer actually depends on your specific needs and the gravity of the damage. There are two primary methods for repairing cracked shower bases: using epoxy or cement. Let’s take a look at the difference between each method to help you decide which one is right for your specific needs:

Epoxy resin is a popular choice for those who want a quick and easy solution to their cracked shower base. Simply mix the epoxy according to the package instructions and apply it to the crack using a putty knife, ensuring complete coverage. Smooth out any excess epoxy with the knife before allowing it to dry completely.

Cement may be preferred by those who want a more permanent solution since it can provide greater strength and durability compared to epoxy. Corrective cement application commonly used by professional services involves filling cracks through several steps: preparing a correct mixture of cement resembling toothpaste consistency, filling in cracks (avoiding being overfilled so there’s no room for filing after), letting it cure (usually 24 hours), sanding or chiselling to level the surface.

Both methods have their pros and cons, so it’s important to consider your personal requirements before selecting one. Whichever method you choose, make sure to follow the instructions carefully and allow sufficient time for the repair to cure before using your shower again.

It’s worth noting that DIY repairs may not always be successful or satisfactory for everyone, and seeking professional help for more complex shower repair problems might be necessary. Homeowners with little experience in home repairs who attempt a DIY fix more often than not risk worsening the damage rather than solving it. So, when you are in doubt, always seek professional services from shower repair companies like Shower Care!

At Shower Care, we pride ourselves on delivering high-quality, efficient and affordable shower and bathroom solutions. And unlike most shower repair places, we don’t use subcontractors – we quote the work and do the work! This means we can ensure the repair is done to the highest of standards. Remember, repairing a cracked shower base can save you money and prevent further damage down the line. However, if you are unsure about your abilities or lack experience in DIY projects, it is highly recommended that you call and contact a professional repair service.

When to Consider Shower Base Replacement

Shower bases play a crucial role in maintaining a functional and visually appealing bathroom. A slight crack is already an eyesore and can be a cause of worry and discomfort for many homeowners. While it’s true that some cracks are manageable and can be repaired by a simple DIY, it is not always the case. Sometimes, shower base replacement becomes the only option. 

In situations where the crack is too severe or widespread, resulting in water leakage and causing further damage to the surrounding areas like walls and floorings, replacement is necessary. A high-quality replacement not only ensures that leaking water and moisture are contained but also prevents any potential damage to the structural integrity of your home.

While repairing some cracks may seem like a quick fix and more cost-effective option initially, it’s important to consider the long-term costs associated with repeated repairs. Over time, these expenses can accumulate and become significantly more costly than installing a new shower unit entirely.

Signs of Irreparable Damage

Figuring out whether your shower requires repair or replacement can be challenging without proper inspection. The following are some common signs that show irreparable damage:

Large cracks that run from one end to another can ultimately separate all tiles and lead to structural issues with your bathroom floorboards. This kind of damage may require an entire replacement of your existing shower base to ensure stability and safety over an extended period. Another indicator of irreversible damage is persistent leaks, especially in a shower with weak tiles and an already compromised base. Leaks can quickly lead to water damage, which could worsen if left untreated over time.

Additionally, persistent mold and mildew growth in the shower base can be a sign of underlying issues. Mold and mildew thrive in moist environments and can be challenging to eliminate completely. If your shower base consistently harbours mold or mildew, it may indicate hidden moisture problems or inadequate drainage. In such cases, replacing the shower base can address the root cause of the issue and provide a fresh, clean surface.

If you’re considering repairs, it’s essential to weigh the total costs and potential gains of each strategy. Repairs are an ideal option for minor cracks that haven’t caused much internal damage, but replacing the entire unit is often a better investment for more extensive damage. So, before one tiny little crack causes irreparable damage to your shower base, it’s best to take immediate precautions.

Do Not Delay – Fix Your Showerbase Now!