Flashing | Roofing Glossary

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Glossary of terms used in the roofing industry

There are 161 entries in this glossary.

All A B C D E F G H I J L M N O P R S T U V W Z

Term Definition

Term	Definition
Flashing	Pieces of metal or roll roofing used to prevent seepage of water into a building around any intersection or projection in a roof such as vent pipes, chimneys, adjoining walls, dormers and valleys. Galvanized metal flashing should be minimum 26-gauge. There are 4 main types of flashing used in residential roofing systems: Valley flashing: This flashing is used in open valleys of the roof. Most often leaks are found in the valley flashings due to flashing that is nailed to tightly to the decking or shingles that are not trimmed far enough off the flashing. Plumbing vent flashing: Plumbing vent flashing prevents rainwater from running into holes cut for pipes in the roof. This flashing is sold according to the size of the vent pipe and the roof angle. Roofing material is installed over the flashing. Lead flashing: When working with tile roofs, lead flashing is used. In the case of a plumbing vent flashing, the lead flashing is actually molded to the shape of the tile's surface. Then the top of the lead flashing is covered by the next tile to prevent water from seeping under the flashing. Step flashing: When a chimney or dormer wall intercepts the slope of the roof, step flashing is used. Step flashing is usually a metal piece that is bent in the middle, so that one end lays on the roof, and the other against the vertical wall of the dormer or chimney. Flashing is one of the most important elements of the roof because it seals the seams and joints of the roof--the locations where leaks are most likely to occur. Often, flashing is not maintained well, or installed correctly in the first place. Check for the following signs that your flashing needs maintenance or repair: Rusting of metal flashing Excess leaves and debris in valleys or seams of the roof (can lead to rusting and corroding of the metal) Prolonged exposure to the elements such as moisture, UV rays, climate changes--especially when asphalt compounds or caulking material is used. Look for cracks, loss of elasticity and delamination. `In many cases the flashing can be cleaned and then repaired, relaminated or repainted (even in the case of rust). In other cases, the flashing may need to be replaced.` Lon Smith Roofing is a Dallas Roofing Company

Flashing

Pieces of metal or roll roofing used to prevent seepage of water into a building around any intersection or projection in a roof such as vent pipes, chimneys, adjoining walls, dormers and valleys. Galvanized metal flashing should be minimum 26-gauge. There are 4 main types of flashing used in residential roofing systems:

Valley flashing: This flashing is used in open valleys of the roof. Most often leaks are found in the valley flashings due to flashing that is nailed to tightly to the decking or shingles that are not trimmed far enough off the flashing. Plumbing vent flashing: Plumbing vent flashing prevents rainwater from running into holes cut for pipes in the roof. This flashing is sold according to the size of the vent pipe and the roof angle. Roofing material is installed over the flashing. Lead flashing: When working with tile roofs, lead flashing is used. In the case of a plumbing vent flashing, the lead flashing is actually molded to the shape of the tile's surface. Then the top of the lead flashing is covered by the next tile to prevent water from seeping under the flashing. Step flashing: When a chimney or dormer wall intercepts the slope of the roof, step flashing is used. Step flashing is usually a metal piece that is bent in the middle, so that one end lays on the roof, and the other against the vertical wall of the dormer or chimney. Flashing is one of the most important elements of the roof because it seals the seams and joints of the roof--the locations where leaks are most likely to occur. Often, flashing is not maintained well, or installed correctly in the first place. Check for the following signs that your flashing needs maintenance or repair:

Rusting of metal flashing Excess leaves and debris in valleys or seams of the roof (can lead to rusting and corroding of the metal) Prolonged exposure to the elements such as moisture, UV rays, climate changes--especially when asphalt compounds or caulking material is used. Look for cracks, loss of elasticity and delamination.

  In many cases the flashing can be cleaned and then repaired, relaminated or repainted (even in the case of rust). In other cases, the flashing may need to be replaced.

Lon Smith Roofing is a Dallas Roofing Company

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Quality Work, Excellent Clean Up

Your entire group did quality work. The roofing crew was well organized, fast, and did an excellent clean up.

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Weatherford Texas

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Mesquite Texas

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Dallas Texas

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Incredible job

Dear Lon Smith Roofing,

I wanted to tell you how impressed my wife and I were with Trey Bailey when he responded to my call regarding a residential roofing job we needed done. Lon Smith did an incredible job on the roof and I was very impressed with Trey. After my wife and I met with him the first time, we agreed we were not going to get other bids. We both agreed we wanted Lon Smith Roofing to re-roof our home. Trey was very knowledgeable and personable, and he provided detailed easy to understand answers to our questions. We were very impressed and wanted to make sure this was communicated to the company on his behalf.

Thanks,
Lee B
Bedford

Professional from beginning to end.

March 25, 2010

Lon Smith Roofing
Business Office
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Fort Worth, TX 76110

To Whom It May Concern:

To say it has been a pleasure doing with business with Lon Smith Roofing would be an understatement. Every detail was seen to from the salesman, Chris Cook, to the last nail being removed from the yard to leaving things as you found them.

Remarkable and Efficient

Mr Payne was wonderful - the roofing crew, remarkable and efficient. They answered all my questions. They worked together like a well oiled machine. There's no way you could improve on any of them. You are all the best.

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Fort Worth Texas

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