When temperatures drop, your windscreen is at risk. Ice can seep into tiny chips and expand as it freezes, which can turn a minor blemish into a costly crack. Sudden changes in temperature, such as throwing hot water on a frozen windscreen, can also cause thermal shock and damage the glass. Here is how to avoid these common cold weather pitfalls and keep your windscreen intact.
Park Smart or Cover Up
Parking indoors is one of the easiest ways to protect your windscreen. A garage or carport shields your vehicle from the harshest conditions and helps prevent ice buildup and temperature extremes.
If indoor parking is not an option, use a windscreen cover or even a blanket to protect the glass overnight. This simple step can significantly reduce the likelihood of frost formation and ice damage.
Lift Wipers and Upgrade Blades
Make it a habit to lift your wipers away from the windscreen each night. This prevents them from freezing to the glass, which can cause damage when you try to peel them off in the morning.
Investing in winter-specific wiper blades is also worthwhile. These are designed to handle snow and ice without sticking and ensure smooth operation even in freezing conditions.
De-Ice Carefully to Avoid Thermal Shock
Use a proper plastic ice scraper to remove frost and ice. Never use metal objects or try to break thick ice with force, as this can chip the glass.
Avoid pouring boiling or hot water over a frozen windscreen. The sudden temperature change can cause the glass to crack. A safer method involves using a sealed bag of warm (not hot) water and gently gliding it over the surface to melt the ice gradually.
Warm the Car Gradually
Start your car and set the heater to defrost mode. Let the air warm slowly and evenly across the windscreen. This prevents thermal stress and protects the glass from cracking.
Do not leave your vehicle running unattended while it warms up. This can be illegal, and it also increases the risk of theft. Many insurance policies will not cover losses if the car is stolen while left running with the keys inside.
Use Proper De-Icer and Screen Wash
Choose a winter-grade screen wash that will not freeze in the reservoir. These solutions often contain alcohol and other components designed to work even in sub-zero temperatures.
A good quality de-icer spray helps speed up the defrosting process without the risks associated with do-it-yourself solutions such as vinegar or salt, which can damage the windscreen or paintwork.
Inspect and Repair Chips Immediately
Check your windscreen regularly for chips or cracks, especially after driving in harsh conditions. Cold temperatures can make small issues worse very quickly.
If you notice a chip, it is best to get it professionally repaired as soon as possible. In an emergency, you can temporarily seal it using clear nail polish or a drop of superglue to prevent it from spreading until you can visit a garage.
Continue Good Maintenance Practices
Keep both sides of your windscreen clean to prevent dirt and grime from holding moisture that can freeze. Clean glass also helps de-icer and scrapers work more effectively.
Avoid tailgating construction vehicles or driving on gravel roads, particularly in winter, as flying debris can easily chip the windscreen.
Quick Winter Windscreen Protection Checklist
| Task | Recommended Frequency |
|---|---|
| Use windscreen cover or park undercover | Nightly when freezing |
| Lift wipers before cold periods | Evening before frost |
| Inspect for chips and clean glass | Weekly in winter |
| Use winter-grade screen wash | Every fill-up |
| Use plastic scraper and de-icer spray | Morning of each use |
| Warm car gradually with defrost mode | Each journey start |
| Leave engine on only when present | Never unattended |
| Repair chips quickly | As soon as spotted |
Why It Matters
Your windscreen is not just there to block wind and rain. It is an integral part of your vehicle’s structural integrity. A cracked windscreen can compromise your safety, especially in the event of an accident. It also impacts your visibility, which can lead to legal penalties if you are caught driving with an obstructed view.
From a financial standpoint, it is far cheaper to prevent damage than to replace an entire windscreen. Addressing small chips early and taking care in cold weather can save you money and hassle in the long run.
Also, failing to properly clear your windscreen before driving can land you in legal trouble. The Highway Code requires all windows to be fully de-iced before you set off, and fines or points on your licence are possible if you are caught breaking this rule.
Final Thoughts
Taking a few extra minutes each morning to care for your windscreen can make all the difference. Simple steps such as covering the glass, warming your car gently, using the right screen wash, and dealing with chips early will help keep your windscreen crack-free throughout the winter.
If you are unsure about a chip or would like your windscreen checked, pop into Windmill Garage. Our friendly team can assess the damage, recommend solutions, and help you get ready for whatever winter throws your way.
Drive safe, stay warm, and look after your windscreen because it will look after you.