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How to Prevent Water Intrusion on Sliding Glass Doors

Posted by Jimmy Hawley on Oct 26, 2016 9:00:00 AM

If you’ve ever spent a summertime in southwest Florida, you know a thunderstorm can pour down inches of rain in just a matter of minutes. Even though you never want to sacrifice the picturesque views provided by your sliding glass doors, heavy rainfall and strong winds can pose serious water intrusion problems. Implement the following solutions to prevent costly water damage due to poorly sealed sliding glass doors.

Sliding Door

Identify The Issue 

Before the rain starts to fall, take a few minutes to understand the mechanics of your sliding glass door. Since sliding glass doors and sliding impact windows are heavy, they move along metal tracks fitted to the bottom and top of their frame. To slide the heavy doors along the metal frames, the doors use metal or plastic rollers. Check to see which door moves and which one is the stationary. If you have a problem with water leaking, it will usually be on the bottom track threshold of the non-stationary door.

Preventing Leaks

After gaining a general understanding of your door, keep in mind the easiest way to prevent leaks is to keep your tracks free of debris and your plastic or metal rollers clean. If the tracks are dirty, the doors can become misaligned and water can easily seep into the home. For tips on keeping your sliding glass doors clean, read our last blog post for easy cleaning and maintenance tips. 

Weather Stripping

Even though well-maintained sliding glass doors usually don’t have water intrusion problems, consider installing weatherstripping to prevent the leaks caused by driving rain. When installing weatherstripping, be sure to seal the entire door jamb with one continuous strip. After installation, verify a the seal by checking to see if the material compresses when the door or window closes.


Schedule an appointment to visit your home or business and discuss your goals, measure, count windows, and find the best most affordable solution for you.

Glass Door & Window Installation

Due to Florida hurricane codes, sliding doors must have a 1.5 - 3.5 inch water threshold dam. With such strong requirements, if you are still finding water intrusion after general maintenance and a weatherstripping installation, your sliding glass doors or impact windows may not be properly installed. If the door was installed directly on the concrete slab, water could be seeping under the doorframe. If the door is installed at the edge of the roof overhang, water could be leaking from the top of the sliding glass doors.

Struggling to manage your water intrusion problems in the southwest Florida home? Contact the experts at Storm Solution for a professional consultation.

Hurricane Guide


Topics: Impact Doors, Sliding Glass Doors