Proper Window Flashing

By Todd Fratzel on Windows

How To Properly Flash Windows

Recently I’ve had several questions about leaking windows. Most window leaks can be traced back to poor installation. Today there are many self adhesive flashing products available to make weather proofing much easier. Grace Construction Products has a whole line of Window, Door and Deck Flashings for every construction task.

Grace Window Flashing Details

Window Flashing Detail

The diagram above is provide by Grace Construction Products and it shows the standard method of applying a self-adhered flashing product to a new flanged window. The basic and most important part of the application is starting at the bottom and working to the top so that the top layers of flashing are above the lower ones. Following these simple steps will create a long lasting weather resistant flashing detail on all of your new windows.





About the author

Todd Fratzel

I'm full time builder for a large construction company in New Hampshire. I run their design-build division that specializes in custom homes, commercial design-build projects and sub-divisions. I'm also a licensed civil and structural engineer with extensive experience in civil and structural design and home construction. My hope is that I can share my experience in the home construction, home improvement and home renovation profession with other builders and home owners. I'm also the Editor-in-Chief and Founder of Tool Box Buzz. Please feel free to contact me if you have any questions, suggestions or you'd like to inquire about advertising on this site.

@tfratzel Facebook

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