While vertical installation is the most common practice, there are cases where horizontal installation may be considered. Some homeowners or architects may have specific design preferences that require a horizontal installation. Additionally, certain architectural styles, such as modern or industrial, may favor this orientation to create a distinct aesthetic appeal.
Factors to consider
Horizontal installation of corrugated metal roofing comes with some challenges that must be taken into account before proceeding.
- Water management: The main concern with horizontal installation is water management. Unlike vertical installation, where water can naturally drain off the roof, horizontal installation requires alternate methods to ensure proper water shedding. Adequate roof slope, strategic flashing, and a quality gutter system are essential to prevent water from pooling and causing leaks.
- Overlapping strength: Corrugated metal panels rely on overlapping to provide a watertight barrier. Horizontal installation may weaken this overlapping, potentially compromising the roof’s water-resistance capabilities. Reinforcing the overlapping sections or using specialized horizontal installation accessories can help mitigate this issue.
- Wind resistance: Horizontal installation may also affect the roof’s wind resistance. Panels installed horizontally may be more susceptible to wind uplift, especially in areas prone to high winds. Properly designed and installed fasteners and structural reinforcements are crucial in mitigating this risk.
Professional consultation is key
Due to the potential challenges associated with horizontal installation, it is advisable to consult with a professional roofing contractor or architect. They can assess the specific requirements of your project, evaluate the feasibility of horizontal installation based on the local climate and building codes, and provide expert guidance on the best approach.
While corrugated metal roofing is commonly installed vertically, it is possible to install it horizontally under certain circumstances. However, special consideration must be given to water management, overlapping strength, and wind resistance. Seeking professional advice before embarking on a horizontal installation is highly recommended to ensure a successful and durable roofing system.