Why Do Steeper Roofs Last Longer

All that space under a steep roof pitch is good for more than just air.

Why do steeper roofs last longer.

There are a lot of determining factors such as environmental and what underlayment is used. These roofs are sometimes referred to as low slope roofs. Steep roofs react better to inclement weather. Clay tile roofs can last 50 years or longer.

It is why more often than not you see very steep roofs in areas of america that see lots of rain and snow. The pitch of a roof has an impact on its lifespan. The second number is the run of the roof in inches. Steep pitch roofs last longer.

And during the hottest part of the year when the sun is higher overhead a steeper roof will absorb less solar radiation than a flatter roof. There are limits however since some materials will. First a very steep roof typically recognized as anything that s more than 6 12 pitch is generally considered not walkable and requires greater staging safety and labor to complete the roof properly. Yes the steeper the roof the longer the roofing material will last.

The roof s pitch is an important factor in determining roof cost for two reasons. The first number in the pitch relates to the rise of the roof in inches. Most residential roofs range from 3 12 to 20 12 or steeper. Ribbed panels can be a good option for a steeper gable style roof.

With proper installation you can expect a 25 to 40 years lifespan from a ribbed metal roof with exposed fasteners. A tile roof built using today s standards and guidelines should last a minimum of 15 years with most lasting up to 30 years. A ribbed metal panel roofing system featuring concealed fasteners will offer a longer lifespan ranging from 30 to 50 years depending on the environment. This means that a typical metal roof will last about 3 7 times longer than a typical asphalt shingles roof which usually needs to replaced every 12 17 years.

However very shallow roofs can be considered pitched as well. However a number of other variables will influence the life expectancy of a roof more significantly than the pitch. Metal roofs such as aluminum or steel shingles can last for 50 years and often longer while copper and zinc roofs can often last well over 100 years. Because water runs off the roof more easily the roof covering will dry faster.

If you think of basic geometry a flat roof receives a much bigger hit to inclement weather versus a pitched roof. While clay tiles are available in a host of earthy colors this roofing is best known for its bold terracotta tones extremely popular in the southwest.