How To Detect Cracks In Window And Door

Another option for detecting air leaks is using an infrared thermometer which is a non contact thermometer that can measure the ambient air temperatures around window and door frames.

How to detect cracks in window and door.

Check to see if the caulking and weather stripping are applied properly leaving no gaps or cracks and are in good condition. Turn off the furnace and water heater and turn on exhaust fans. You can usually find them near the edge of the window glass. The windows cannot withstand the pressure of these scenarios and will crack as a result.

The most common cause of these stress cracks is extreme temperature fluctuation. You can tell that a pressure crack has occurred due to the shape of the break in the glass. Inspect windows and doors for air leaks. Check the exterior caulking around doors and windows and see whether exterior storm doors and primary doors seal tightly.

In most cases the crack will follow a curve in the shape of an hourglass. If smoke blows sideways you likely have a leak. Doors and windows another way to test the seriousness of a wall crack is to open and close internal doors to bedrooms and bathrooms and evaluate whether the doors stick.