How to Fix Cracked Glass

The sound of cracking glass is often followed by a gasp or groan. However, many cracks silently occur and spread over time. When you notice cracks in your glass, it is important to address it quickly. The longer you leave the crack, the more exposure the glass will have to moisture, force, and temperature changes, further cracking it. In this article, we’ll discuss types of cracked glass and the repairs needed to fix them. You’ll also find tips on how to fix cracked glass yourself.

Understanding the Types of Cracked Glass

You’ll need to identify the type of crack your glass has experienced to determine how to fix it and whether you need a professional to step in. Glass cracks fall under three categories: pressure, impact, and stress cracks.

Pressure cracks start at the edge of the glass and slowly spread in a curved manner across the surface. It is important to catch them early before the damage is irreversible. They are caused by pressure changes in the weather.

Impact cracks happen when the glass has been hit by a hard object. These types of cracks have a centre that spreads outward. They need special care because the damage is usually impossible to repair. We recommend that you get a professional to address this type of crack.

Stress cracks resemble an hourglass. They are due to a change in the pressure applied on the glass such as the effects of extreme weather changes. They also appear if the glass wasn’t properly installed to begin with. These cracks are barely visible, and you’ll notice them on the edges or frame of your glass first.

To determine the necessary steps to take, you’ll need to identify the severity of the crack. Is the crack superficial or structural? Small superficial cracks, also called hairline cracks, can easily be repaired if you fix them as soon as possible. Structural cracks go through all the layers of glass and are tricky or impossible to repair on your own. It’s best to call a professional.

No matter the type of glass crack you’re dealing with, it is important to attend to it as soon as possible. Cracked glass becomes a safety hazard. As it spreads, it is one gust of wind or slam away from shattering, which can injure you and become a more extensive problem. A broken glass window also brings down the aesthetic appeal of your home.

Can I Repair Cracked Glass Myself?

If the crack is small enough, under an inch, and is not an impact crack, you can repair it yourself. If the crack is larger than an inch or is an impact crack, apply a temporary fix such as glass adhesive, duct tape, or masking tape, then contact a professional.

If the crack is minor, broken glass repair is not difficult. If you’ve determined that you can repair the glass on your own, you will need several materials:

  • nitrile gloves
  • safety glasses
  • dish soap
  • cotton rags
  • a paper plate
  • two-part epoxy
  • toothpicks or wooden craft sticks
  • putty or utility knife
  • acetone
  • razor blade or scalpel
  • glass cleaner

Assessing the Feasibility of Repair

Glass cracks are fragile and can injure you if you do not take proper precaution. First determine the size of the crack. If it’s under an inch, superficial, and located toward the outer edges, you can try to repair it on your own. For example, a cracked window where damage is toward the panes is easier to repair than one with the damage is at the centre.

You might still be able to fix a crack that’s larger than an inch if it is a clean crack (a single crack line). Glass that can be repaired includes single-pane glass, mirrors, glass tiles, sidelights, picture glasses, and some kinds of kitchen glassware.

Deeper, structural cracks, even if they are smaller than an inch, will need a professional. In some cases, it may be impossible to preserve the glass. Sometimes the damage might be so extensive that the repaired glass will still look unappealing. Additionally, some types of glass cannot be repaired easily. For these reasons, be prepared to replace the glass.

Safety Precautions

If you decide to repair your glass cracks on your own, always keep safety in mind. Some shards of glass are very small, but they can still injure you. Wear safety glasses and nitrile gloves.

When mixing the two-part epoxy, make sure to follow the mixing instructions and do so in a well-ventilated area.

Professional Glass Repair Services

If you think you might be in over your head, it is best to play it safe and consult a professional. This applies to large cracks or those without a clear crack line. Also note that double-pane windows, microwave and oven doors, windshields, and shower or tub glass cannot be repaired without a professional.

When you decide to seek professional help, research several glass repair companies. Get multiple quotes before you decide on one, and do not just settle for the cheapest option. Not every glass repair company that says they know how to fix broken glass is up to the task. Look at the company’s reputation and read their reviews. Do not be afraid to ask important questions to determine if the company you are considering is able to work with the type of glass you need repaired.

Final Takeaway

Dealing with cracked glass does not have to be daunting. With the right tools and supplies, you may be able to fix it yourself. To determine whether you should, take the type of glass and the nature of the crack into account. For an extensive crack, request the services of a professional. Either way, take swift action to minimize damage and possible injury.

Our glass repair professionals at Glass Repair Canada are here to assist you. We’d be happy to answer any questions you might have. Request a quote online or give us a call at 647-832-9248. In case of emergencies, call us and we’ll be there in two hours!

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