Flashing

JLC Field Guide: Flashing

Choose a flashing material that is at least as durable as the roof covering. For example, it would not make sense to flash a 100-year-old slate roof with thin aluminum. Once the aluminum begins to leak, the slates would have to be torn off to replace the flashing. Copper flashing would cost more initially, but because it could last as long as the roof, its life cycle costs would be lower.

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Flashing Featured Articles

Best-Practice Apron Flashing
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Best-Practice Apron Flashing

For a more-effective and better-looking result, integrate the exposed apron with... More

Weaving a Cedar Roof Valley
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Weaving a Cedar Roof Valley

Cedar roofs are common in Eastern Massachusetts, where I live and work. More

Flashing a Chimney With Soldered Copper
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Flashing a Chimney With Soldered Copper

Traditional methods and materials prevent leaks for the life of the structure. More

Low Slope Roofing: Lessons Learned
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Low Slope Roofing: Lessons Learned

Choosing materials wisely is a good start. But success comes from careful... More

Step Flashing vs. Continuous Flashing
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Step Flashing vs. Continuous Flashing

Do a little homework before abandoning the decades-long practice of using step... More

Roofing With Asphalt Shingles
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Roofing With Asphalt Shingles

More than 80% of U.S. homes have asphalt shingle roofs, and though easy to install... More

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Flashing Instruction Articles

Installing Continuous Flashing
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Installing Continuous Flashing

Code specialist, Glenn Mathewson, takes a look at a recent IRC provision allowing... More

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Proper Width of Window Flashing Tape

It can be tricky to determine a minimum width when the window manufacturer refers to the code or the flashing-tape instructions, and the flashing-tape instructions and the code both refer you back to the window manufacturer or flashing-tape instructions. More

Best-Practice Apron Flashing
Posted on
Best-Practice Apron Flashing

For a more-effective and better-looking result, integrate the exposed apron with... More

Best Practice for Stucco Parapet Caps
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Best Practice for Stucco Parapet Caps

To ensure a waterproof installation, use adhesive between layers of waterproofing... More

Flashing a Curved Window With Straight Flashing
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Flashing a Curved Window With Straight Flashing

How do you flash around a curved window when all you have is straight flashing tape? More

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