Mold and mildew thrive in damp places, including showers and shower doors. These fungi are more than just a cosmetic issue — they can pose serious risks to your health and hygiene and affect the longevity of your glass. 

At Creekside Windows and Glass, we want you to have all the information you need to be able to care for your custom glass shower door and extend its lifespan. That’s why we’re presenting this helpful guide to mold and mildew growth on shower doors, including its causes, how to prevent it, some expert cleaning tips, and how to tell when it’s time to replace your shower door. 

What’s the Difference Between Mold and Mildew?

First, let’s go over the differences between mold and mildew. While they’re both fungi and the terms are often used interchangeably, mildew is technically a type of mold with a flat growth pattern. It’s gray or white in color and easier to clean. Mold, on the other hand, grows deeper, is usually a dark black or green color, is more difficult to get rid of, and can be more harmful. 

Why Mold and Mildew Form on Shower Doors

Mold and mildew can often be found growing on shower doors because showers are exposed to constant moisture and humidity, especially if there’s poor bathroom ventilation. Soap scum acts as a food source, while mineral buildup and hard water deposits trap bacteria and spores. With a lack of regular cleaning or maintenance, this can become a real problem. 

You may find mold and mildew growing on:

• Bottom seals and tracks
• Edges and corners of framed doors
• Hinges and hardware
• Textured or etched glass surfaces
• Caulking and surrounding grout lines

How to Prevent Mold and Mildew Buildup

Fortunately, there are simple things you can do each day to prevent mold and mildew buildup on your shower doors, including squeegeeing the glass after each use, giving the seals and edges a quick wipe-down, and leaving the shower door open when not in use to allow airflow. Each week, clean the glass with a non-abrasive cleaner to remove soap scum before it hardens and check for early signs of buildup. 

If mold and mildew are recurring problems despite proper cleaning methods, consider making some bathroom improvements like installing or upgrading the exhaust fans, using a dehumidifier, or improving air circulation by opening the windows or vents. Remember the goal is to get rid of the hot, humid air as soon as possible after showering. 

Best Cleaning Methods for Shower Doors

If you spot mold and/or mildew on your glass shower doors, try some DIY cleaning solutions to get rid of it. A mixture of vinegar and water can be effective for mild buildup, while a baking soda paste is good for more stubborn spots. Use hydrogen peroxide to disinfect the surface afterward. 

You can also use store-bought cleaners to remove mold and mildew — however, it’s important to make sure they’re non-abrasive and safe for use on glass. Avoid harsh chemicals that could damage coatings or hardware. And speaking of damage, only use microfiber cloths and soft sponges and brushes to clean your shower door to avoid scratching the glass. 

For more information about DIY cleaning methods, check out our previous blog post, “Your Guide to Cleaning Hard Water Stains on Your Shower Door”. 

When mold and mildew have penetrated the seals or caulking and normal cleaning methods aren’t effective, it’s probably time to remove and replace them. 

Protecting Your Shower Glass Long-Term

Consider adding a water-repellent coating to your glass shower door to reduce lingering moisture and mineral buildup that can contribute to mold and mildew growth. You can also upgrade to a frameless door with minimal hardware, which means fewer places for mold to hide. 

When It’s Time to Replace Your Shower Doors

Glass shower doors aren’t indestructible; they’ll have to be replaced at some point. If you notice any of these signs, your shower doors may be reaching the end of their lifespan:

• Permanent staining or etching that won’t come clean
• Mold embedded in seals or between glass layers
• Outdated or hard-to-clean designs
• Frequent recurring issues despite regular cleaning

Glass Shower Door Replacement by Creekside

If it’s time to replace your shower doors, trust the experts at Creekside Windows and Glass. We use high-quality materials that resist mold and mildew better, ensure proper installation to reduce moisture traps, and provide custom solutions tailored to your bathroom layout. Whether you want a frameless, framed, or European shower door, we can help. Contact us today to get started!

Replacing your windows is a key opportunity to improve energy efficiency. Inefficient or outdated windows — those with leaks, cracks, or deteriorating seals — let outside air in and inside air out, which means your HVAC system has to work harder to keep your home at a comfortable temperature. 

Energy-efficient windows aim to minimize heat exchange and insulate your home against outdoor temperatures, helping you stay comfortable without running your heater or air conditioner nonstop. This efficiency can provide significant long-term cost savings by lowering your energy bills, making replacing your windows a smart investment. 

If you’re considering replacing your windows, keep reading to learn more about how window energy ratings work, different efficiency-boosting features to take advantage of, and how opting for energy-efficient windows can save you money in the long run. 

Understanding Window Energy Ratings

First, let’s go over how energy ratings work for windows. ENERGY STAR is an EPA program that sets energy-efficiency standards for a variety of home products, including windows. To earn ENERGY STAR certification, windows must meet their efficiency standards in several different areas, including: 

• U-factor: This measures the effectiveness of a window’s insulation. The lower the U-factor, the better. 
• Solar heat gain coefficient (SHGC): This measures the amount of solar radiation that can pass through a window. Windows with a higher SHGC rating may be beneficial in especially cold climates, but in general, those with low ratings are considered more energy-efficient. 
• Visible transmittance (VT): This measures the amount of visible light that can pass through the glass. The higher the rating, the more light, which can lead to solar heat gain. 
• Air leakage (AL): This tells you how many cubic feet of air can pass through a window per minute, divided by the window’s total area. 

It’s important to note that ENERGY STAR certification is awarded based on region — what meets standards in Texas may not meet the standards for Utah. Always check the label to make sure your region is indicated or use ENERGY STAR’s online product finder to verify. 

Glass Technologies That Improve Efficiency

Glass technology has come a long way in recent years. When you’re replacing your windows, consider double- or triple-paned glass. Also known as an insulated glass unit, they contain argon or krypton gas between panes, creating an insulative barrier that blocks thermal heat from passing through. 

Low-E (low-emissivity) coatings reflect heat while still allowing light to pass through. This means heat stays indoors during the winter and outdoors during the summer, all without sacrificing natural light exposure. Low-E coatings also reflect the sun’s UV rays, protecting your health and your belongings. 

Frame Materials and Their Impact on Efficiency

The type of glass isn’t the only thing that impacts a window’s efficiency. When replacing your windows, it’s important to make sure you choose the right frames, as well. 

• Vinyl frames offer excellent insulation — plus, they’re affordable and low-maintenance. 
• Fiberglass frames are strong, durable, and offer great thermal performance. 
• Wood frames require more maintenance than other materials, but high-quality wood can offer superior insulation.
• Aluminum frames offer a modern look, but have high conductivity. To improve insulation, thermal breaks can be incorporated between the interior and exterior sections of the frame. 

Window Design and Style Considerations

A window’s design and style can impact its energy efficiency, as well. For example, fixed windows — those that can’t open — can achieve a tighter seal than operable windows, which means they’re more energy-efficient. If you want windows that can open, consider casement windows. Because they don’t need a track to slide on, they have a tighter seal that doesn’t let as much air leak through. 

The Role of Proper Installation

Even the best windows can’t help your home be more energy-efficient if they’re not properly installed. Improper installation can leave gaps along the edges of the frames, letting in drafts. This is why it’s so important to work with experienced installers who can achieve a perfect seal and ensure your home is insulated against outdoor temperatures. 

Upfront Cost vs. Long-Term Savings

The upfront costs of replacing your windows with more energy-efficient models may be higher than opting for standard windows; however, it can actually save you money in the long run. By properly insulating your home, you can lower your energy bills. Plus, many states offer rebates, tax credits, and other incentives for making energy-efficient upgrades. 

Replacing Your Windows with Creekside

At Creekside Windows and Glass, we’re committed to helping you improve your home’s energy efficiency with top-of-the-line replacement windows. If you’re thinking about replacing your windows, contact us today to schedule a free estimate.

If you have a glass shower door, chances are you’ve encountered cloudy, spotted glass that won’t look clean no matter how much you wipe it. The most likely culprit is hard water stains, which are stubborn mineral deposits on the glass that can build up over time. Unfortunately, these stains often require a bit more than a quick wipe-down to come clean. 

At Creekside Windows and Glass, we’re experts in glass care, restoration, and replacement. We want you to be able to enjoy clean, clear glass in your shower doors for years to come. That’s why we’re presenting this guide to cleaning hard water on your shower doors, DIY solutions, prevention tactics, and how to know when it’s time for glass replacement. 

What Causes Hard Water Stains on Shower Doors?

Water naturally contains certain minerals like calcium and magnesium. When the concentration of these minerals exceeds the average amount, it’s referred to as hard water. While there’s no serious health risks involved with drinking hard water, it can leave mineral deposits that look like whitish spots on your glass. 

Glass shower doors are especially vulnerable to mineral buildup because they’re frequently exposed to water droplets. As the water evaporates in the heat, it leaves the minerals behind. Plus, soap scum can combine with mineral deposits, creating a cloudy appearance over time. 

Identifying Hard Water Stains vs. Permanent Etching

If you suspect hard water is affecting your glass shower door, the first thing to do is determine whether it’s surface-level mineral buildup or glass etching. 

Mineral buildup, also known as limescale, resembles a cloudy film or white, chalky spots and feels rough to the touch. With proper cleaning, it’s usually removable. Glass etching, on the other hand, occurs when long-term mineral exposure causes the surface to become pitted or permanently dull. In these cases, professional restoration or replacement may be necessary. 

DIY Methods for Removing Hard Water Stains

Once you’ve confirmed that the cloudiness on your shower door is caused by hard water, it’s time to clean it. Regular glass cleaner may not be effective — instead, try one of these methods:

• Vinegar: Make a solution with equal parts white vinegar and water. Spray it on the shower door and let it sit for a while — around 30 minutes. Use a damp, non-abrasive sponge to scrub the stain away. 
• Baking soda: If the vinegar solution doesn’t do the trick, try making a paste out of baking soda and water, rubbing it on the stains, and letting it sit for about half an hour. Use a soft-bristled brush to remove the remaining buildup. 
• Lemon juice: The natural acid in lemon juice can help dissolve mineral deposits. Combine some lemon juice with hot water and spray it on the glass. Or, if you want even more cleaning power, just cut the lemon in half and scrub the door with it. Let it sit for 30–60 minutes, then rinse with distilled water. 
• Commercial hard water removers: If home remedies don’t fully remove the stains, you can try commercial cleaning products designed specifically for mineral buildup. It’s essential to follow manufacturer instructions and avoid using abrasive pads that can scratch the glass. 

When to Call the Professionals

If you’ve tried all these cleaning methods and your shower doors are still cloudy, it may be because the mineral buildup has led to etching. In this case, there’s nothing you can do on your own to fix it. You’ll need to seek professional glass restoration services, which include the use of professional polishing techniques and protective treatments. 

Depending on the extent of the etching and the age of your shower door, it may be worth it to just replace it. At Creekside Windows and Glass, we offer a wide range of frameless and framed shower doors to complement any bathroom and transform it into a more beautiful and functional space. 

How to Prevent Hard Water Buildup in the Future

Of course, it’s best to prevent hard water buildup before it can even happen. Follow these tips to keep your shower door clean and clear:

• Use a squeegee and/or a microfiber towel to remove water after every shower
• Give it a quick wipe-down with a vinegar solution every week or so
• Install a water softener to prevent hard water stains at their source
• Opt for professional aftermarket glass coatings to protect the surface from etching

Premium Shower Doors from Creekside Windows and Glass

Don’t let a cloudy, discolored shower door impact your bathroom. Contact Creekside Windows and Glass today to schedule a consultation or explore upgraded shower options.