Roof Ventilation And Shingle Life

Adequate roof ventilation reduces cooling bills extends shingle life and prevents roof rot and ice dams in winter.

Roof ventilation and shingle life. The average lifespan of a shingle roof is based on a number of factors. Longevity depends on the climate of an area the way the original installation was handled and whether ongoing care and maintenance have been part of a regular routine. Shingles that are installed on unvented roof assemblies operate at slightly higher temperatures roughly 2 f to 3 f warmer than shingles on vented assemblies. Sealed attics trap excessive heat and moisture which can lead to reduced shingle life.

Cap the ridges to prevent wind from blowing over overlap seams. More importantly the lifespan of a shingle roof is greatly affected by the overall materials used. The science behind attic ventilation however is sound. Roof and attic ventsl protect your house from expensive future repairs.

Add extra roof ventilation. Both roof and soffit vents are easy to install in just a few hours. A properly installed roofing system also depends on attic ventilation. A wood shingle roof should be inspected annually and any split shingles should be promptly replaced.

Mechanical roof vents require a power source. While shingles are the most highly visible part of your roof ventilation is a critical component to your roofing system. Add vent flashing seal nail heads then shingle over it. Can i shingle my own roof.

Fiberglass shingles are more. Types of roof vents. Ventilation by definition is the provision of fresh air to a room or building. Roof ventilation allows airflow through your attic space and is extremely important for the integrity of your home.

Ventilation lowered shingle temperature 2 7 white shingles were found to be 20 to 23 cooler than black shingles. This can reduce their service life by roughly 10. It disperses the moisture that can lead to deck rot ice dams and mold and mildew not to mention less than comfortable conditions inside your home. Rose found that ventilation does lower shingle temperatures while other factors like shingle color and roof orientation have a greater effect on shingle temperature.

The answer to this initial question is yes. The average lifespan of asphalt shingles ranges from 20 to 40 years depending on the manufacturer although many warranties only guarantee between 15 and 25 years.