Cleaning your roof on a regular basis is important for many reasons. First, regular cleaning helps to limit the wear and tear on your roof, thereby avoiding damage that may lead to expensive repairs or replacement. Second, a clean roof is an attractive roof—the cleaner your roofing materials, the better your home will look. Finally,
That sounds like a tongue in cheek statement but in reality, you would be hard pressed to find a metropolitan area that consistently has more of the elements necessary for an abundance of roof moss. The often cloudy skies we have during long stretches of the year are a main contributor to Portland roof moss.
In my opinion, no one should ever be on a roof who in not very familiar with the safety requirements of doing so. I say that not just to get more business but because ladder and roof falls are one of the leading household accidents involving trips to the emergency room every year. A low and mild pitched roof can be very dangerous.
I found this brief article on the the repercussions of not promptly addressing a leaking roof. It review some of the damages that can be cause to a structure as a result of a leak. Additionally, it quickly addresses the personal health risks as a result of living in a water damaged home. – Tom
There seems to be pockets of the country where cedar shake roofs have been one of the original roofing choices. Usually, it resulted from a mix of nearby available natural resource and the climate of the area. The Portland area was a natural match for both. With an abundance of timber and a moderate climate, cedar was quickly enlisted as the material of choice, particularly on higher end homes. Recently, however, cedar has gotten a bad reputation in the Portland market. Hundreds, maybe thousands, of homeowners convert away from cedar roofs yearly, due in part to their reluctance to replace one short lived roof with what they fear might be another. Cedar is still a good option for a new roof, but you need to chose wisely. The problems with cedar roofs started in the 1970s and 1980s as drastic changes in the timber supply were occurring. The bottom line is that lower grades of cedar started getting used. This was coupled with builders, eager to profit from a boom after some difficult recessions in the past decade, did not pay enough attention to the quality of the roofing materials used. There was a high demand for a particular, quality look that cedar provides to a home just when the supply of quality cedar was waning.