1. Wrong Rough Opening Size

The rough opening requirements of windows generally depend on their styles and the manufacturer. A window unit can be designed to fit any rough opening size found in residential houses. However, a large number of manufacturers will still build “standard” sizes. These traditional windows cost less than customized windows.

2. Poor Flashing Adherence 

Expert window installers understand the importance of brushing away dust and debris and wiping off moisture from the window sills before proceeding to install windows. This helps improve the adherence of flashing tapes and membranes to effectively secure the components of your new windows. Some materials do not properly adhere in colder temperatures. A professional will know when it is necessary to update tools before the installation day arrives.

3. Not Sealing Nailing Fins

Sealing underneath the nailing fins is critical. Fins that are not a fundamental element of your new window unit also need to be adequately sealed to the frame. The most efficient way to achieve this is to continuously roll the flashing tape from over the fin up to the edge of the window frame.

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