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The short answer is, yes, cedar shakes do last longer than asphalt shingles. But the long answer is, it depends on maintenance. Asphalt shingles last about 20 years, while cedar shingles typically last about 30 years with proper maintenance. If they are very well maintained and installed in an area with a mild, drier climate, they can last up to 50 years.

The ridge is the horizontal line where two sloping roof sections meet at the top, forming the highest point of the roof. A hip, on the other hand, is the external angle formed where two roof sections meet and slope downward toward the walls, typically at a lower angle than the ridge. The ridge runs horizontally along the peak and the hip runs diagonally from the peak to the roof's edges.

Venting a gas water heater out of the roof is preferable in most cases. Heated exhaust gases naturally rise, so a vertical vent pipe is efficient. If you’re trying to vent through a pipe exiting a wall, the angle of the pipe may be more horizontal than vertical, making the venting system less effective. If you go through a wall, you may need to add a fan to ensure a successful expulsion of the gases outdoors.

The lifespan of asphalt shingles is between 15 and 30 years, depending on the type of shingle you install. A 3-tab shingle roof may only last for 15 years, while a luxury asphalt shingle roof will usually last for 30 years or more. Factors like climate, installation quality, and maintenance all play a part in how long your shingles will last, as well. Besides apparent shingle damage, be on the lookout for granule loss, roof leaks, and bald spots as signs to replace asphalt shingles.