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7 Components every roof must have

November 11, 2019
Roofing Blog


Roof decking is the first layer of your roof system. Decking lay on top of the framing and they tied all the roof components together.

Roof decking after roof demolition.
Roof Decking


Underlayment provides your roof another layer of protection. Depending on your chosen underlayment material, underlayment can be waterproof or water resistant. Underlayment also protects your roof decking in case of disaster.

Drip Edge

Drip edge is a metal flashing which has been installed along your roof perimeter (along eaves and rakes). Drip edge helps to protect the roof from water flow and prevent mold and dry rot. Without a drip edge, water may not properly drain and could flow down the wall surface, or worse, into the home.


Flashing is a thin sheet that is usually made of corrosion resistant material. Flashing should be installed in every place where the roof surface meets a wall (side wall/ vertical wall).  Common places flashing are installed are around the chimney and where the roof meets the head wall. Without flashing water will find their way to your roof and will damage your decking.


Ventilation is a must have for every roof and especially in humid areas, the higher the humidity , the higher possibility of mold and mildew appearance in the attic.

Ventilation helps the warm air to go out and provide air circulation. Installation of a proper roof ventilation can also lower your summer electric bill.

Ventilation installed on asphalt roof ridges.
Ventilation installed on roof ridges

Valley protection 

Valley’s are the most vulnerable area of any roof system. They are the indented spots where two roof planes meet. Therefore, valleys should get another layer of protection installed on them. This layer is installed on top of the underlayment layer. Some roofers use Ice and water and some use metal valleys. Before you sign a contract , you should make sure your roofer will install the valley's protection layer.

Roof material 

Your roof material layer is the first and main protection layer. The most common roof material is shingles. Your roof lifespan will depend on the material used and the quality of the labor. 

We are here to help you with any of your roofing needs. Whether you need roof repair or roof replacement. 


Call us today to schedule your next FREE roof inspection.   

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