asphalt shingles over cedar shake roof

Asphalt Shingles Over Cedar Shake Roof A Comprehensive Guide

When it comes to roofing materials, homeowners are often faced with a myriad of choices, each with its own set of benefits and considerations. One option that has gained popularity is the installation of asphalt shingles over an existing cedar shake roof. This approach presents advantages, but it also requires careful consideration of various factors. This article will explore the reasons behind this roofing method, its benefits, the installation process, and some important considerations to keep in mind.

Understanding Cedar Shake Roofs

Cedar shake roofs have been a favorite for many homeowners due to their natural beauty and durability. Made from split logs, these roofs provide an aesthetic appeal that is hard to match. However, cedar shakes can be prone to issues such as warping, splitting, and rot over time, especially if not properly maintained. As the shakes begin to deteriorate, many homeowners find themselves contemplating a replacement or overlay solution.

Why Choose Asphalt Shingles Over Cedar Shake?

1. Cost-Effectiveness Asphalt shingles are one of the most affordable roofing options on the market. When overlaying them on an existing cedar shake roof, homeowners can save on the costs associated with a complete tear-off and disposal of the old roofing material.

2. Speed of Installation Installing asphalt shingles directly over cedar shakes can significantly reduce labor time. Because the existing roof does not need to be removed, new shingles can often be installed in a fraction of the time.

3. Improved Protection Asphalt shingles offer excellent protection against the elements. They are designed to withstand wind, rain, and UV rays, making them a reliable choice for homeowners looking to extend the lifespan of their roof.

4. Aesthetic Versatility Asphalt shingles come in various colors and styles, allowing homeowners to enhance the visual appeal of their home without sacrificing functionality. This is particularly beneficial for those looking to modernize the appearance of an older cedar shake roof.

5. Increased Energy Efficiency Many asphalt shingles come with energy-efficient options that reflect sunlight and reduce heat absorption. This can help to keep homes cooler during hot months, potentially leading to lower energy bills.

The installation of asphalt shingles over a cedar shake roof involves several key steps

1. Inspection Before any work begins, a thorough inspection of the existing cedar shake roof is crucial. Check for any damage, loose shakes, or structural issues that may need to be addressed.

2. Preparation The roof should be clean and free from debris. Any loose or broken shakes should be either repaired or secured to provide a stable base for the new shingles.

3. Underlayment A layer of underlayment is typically installed over the cedar shakes to provide additional protection against moisture. This layer acts as a barrier and helps to prolong the lifespan of both the new shingles and the existing shakes.

4. Shingle Installation The asphalt shingles are then installed according to the manufacturer’s specifications. It is crucial that the shingles are laid properly to avoid leaks and ensure their longevity.

5. Finishing Touches Once the shingles are installed, finishing touches such as flashing around chimneys and vents should be applied to ensure a watertight seal.

Considerations Before Overlapping

While overlaying asphalt shingles over cedar shake roofs can be beneficial, homeowners should consider a few factors before proceeding

- Weight Considerations Adding asphalt shingles increases the weight on the roof structure. It is important to ensure that the underlying structure can handle the additional load.

- Local Building Codes Many local building codes have specific regulations regarding roofing overlays. It is essential to check these codes to ensure compliance and avoid potential fines.

- Ventilation Proper ventilation is critical to prevent moisture buildup which can lead to mold and deterioration. An assessment of the existing ventilation should be made before installation.

In conclusion, overlaying asphalt shingles over a cedar shake roof can be a practical and aesthetically pleasing solution for homeowners looking to improve their roofing system. With careful planning, proper installation, and consideration of local regulations, this approach can extend the life of a roof while enhancing the appeal of a home. Homeowners are encouraged to work with professional roofing contractors who can provide advice tailored to their specific situation, ensuring a successful and lasting outcome.