Importance of Maintenance for Cedar Shake Roofs Regular maintenance is crucial for the upkeep of a cedar shake roof. When left unattended, the growth of moss, bacteria, and the accumulation of leaves and debris can trap moisture, leading to decay and ultimately reducing the roof’s lifespan. To prevent this, it is essential to remove any overhanging branches and, if necessary, trees that encroach on the roof.
To ensure the longevity of your cedar roof, we offer comprehensive services. Our team will diligently remove all debris that may have accumulated on your roof. Additionally, we use a specially formulated solution that effectively eliminates moss, lichens, mold, fungi, and bacteria. Rest assured, any overspray that may come into contact with windows, siding, or other surfaces will be thoroughly rinsed.
It is important to note that all our work is conducted from a ladder, and we do not walk on your cedar roof. This approach minimizes the risk of damage and ensures the safety of your roof.
By investing in annual maintenance, you can maximize the lifespan of your cedar roof, extending it up to 30-45 years. Furthermore, our services will enhance the appearance and curb appeal of your home.
Failure to perform regular maintenance on your roof may result in the need for replacement within a span of 10-15 years. It is highly recommended that you conduct thorough inspections of your roof for any signs of damage, debris accumulation, or mold growth at least twice annually, specifically during the Spring and Fall seasons. Additionally, it is crucial to inspect your roof after experiencing a hailstorm, severe wind event, or snowstorm to ensure its structural integrity.
For more detailed information, please see Publications below:
Oregon State University – The Care and Maintenance of Wood Shingle and Shake Roofs
USDA Forest Service U.S. DEPARTMENT OF AGRICULTURE – Installation, care, and maintenance of wood shake and shingle roofs
Cedar Shake and Shingle Bureau
Cedar Roof Maintenance FAQ
Can the accumulation of moss lead to a leakage in my roof?
The accumulation of dense moss on the roof can lead to water backup, resulting in water overflowing the shingles. It is essential to remove this buildup as moss can retain soil and moisture, posing a potential threat to the longevity of the wood.
Is it safe to use a mixture of bleach, water and soap to clean my roof?
For recommendations on cleaning solutions, please consult page 10 of the document from the USDA Forest Products Laboratory. To effectively clean a discolored roof caused by weathering and the growth of algae and molds, you can use either chlorine bleach (5% sodium/calcium hypochlorite) or oxygen bleach (sodium percarbonate) mixed with water. We suggest using commercial cleaners that contain sodium percarbonate as the active ingredient. Both oxygen and chlorine bleach solutions are efficient in eliminating surface molds and algae. As the mildew is removed, you will notice a color transformation in the wood, changing from a dirty gray to a buff tan.
Is there a spray available to extend the lifespan of our 10-year-old roof’s preservative treated shakes, as some of them are beginning to split?
It is common for shakes to develop splits over time. As long as the roof is not leaking, these splits do not cause any harm and can be left as they are. If you believe it is necessary, a professional can place metal shims beneath wider splits.
How can I prevent the accumulation of moss on my cedar roof?
Zinc or copper strips affixed to the ridge cap can effectively manage moss growth for a specific number of layers. The interaction between rainfall and the zinc or copper produces a gentle solution that flows down the roof for a distance of two to three feet. If you opt for Certi-Last® products, the need for these strips can be eliminated. For comprehensive guidance on caring for and maintaining your roof
Is it safe to apply paraffin oil on my roof?
Sure, as long as it’s part of a reliable cedar roof maintenance product. You can refer to the Care & Maintenance Brochure by the Cedar Shake and Shingle Bureau for detailed instructions. Keep in mind that paraffin, which is occasionally used to transport active ingredients, typically fades away within six months.
Is it necessary to apply a sealant to my cedar roof in order to prevent moisture infiltration?
No, it is not recommended to seal your cedar roof. Sealing the roof will trap moisture that should naturally evaporate under normal weather conditions. Cedar requires proper ventilation, so it is advisable to use a water repellent product instead of a waterproofing one. For detailed guidelines on topical treatment products, please refer to the Care & Maintenance post
Can I walk on my shake roof to inspect its aging?
We strongly discourages homeowners from walking on their shake roofs to inspect them as they age. In the event that a roof assessment is required, it is highly recommended to engage the services of a professional contractor who possesses the necessary safety gear, training, and protocols to carry out this task safely.