How to Install Metal Roofing Over Asphalt Shingles
To install metal roofing over asphalt shingles, you first need to learn what goes under the old shingle roof. Because it is synthetic, it can absorb noise and moisture from external factors. Using a straight-line template is helpful to ensure proper installation. You also need to understand the intertwining system of the metal roofing. In addition to following the manufacturer’s instructions, you should always ask for clarifications when necessary. commercial roofing
Before you begin the installation, you must understand the requirements for your local building department. Some areas allow the installation of metal roofing over only one layer of shingles, while others allow up to two. Depending on your local building codes, there are benefits and drawbacks to installing metal over asphalt shingles. For more information, contact your local roofing company. You may need to obtain the approval of your building department in order to install metal over shingles.
One benefit of installing metal over shingles is that you don’t have to tear off the existing shingle roof. In fact, a metal roof is far more durable than asphalt shingles. While it weighs less than a pound per square foot, it can still be dented by hailstones. As a result, your homeowners’ insurance policy should cover storm damage. If you’re considering installing metal over asphalt shingles, check with your local building department.
Before installing metal over asphalt shingles, you must evaluate the condition of your old shingle roof. If you don’t follow these steps, you could end up with a roof that leaks or is otherwise unsuitable for metal. Moreover, metal roofs are more expensive than asphalt shingles and require specialized tools. If you are unsure of the tools needed for the job, contacting a local roofing company can help.
Among the main advantages of metal roofing over asphalt shingles are its durability and cost-efficiency. While metal roofing will likely cost more than shingle roofs, it will provide a better structure and protection for your home. This will help to reduce the overall cost of installing a metal roof because it will not require the need to tear down the old roof. In addition to the obvious benefits, metal roofs are also much more environmentally friendly, which is a bonus if you’re concerned about your energy costs.
When installing a metal roof over an existing roof, you’ll need to adhere to the manufacturer’s installation guidelines, which should be followed carefully to avoid damage. Metal roofing panels need to be installed properly and spaced in a particular pattern. The exact pattern of panels will depend on the orientation of the home. Also, the fasteners should be chosen according to the color of the roof. There are several factors to consider while installing a metal roof over asphalt shingles.
The installation process for metal roofing over asphalt shingles begins with installing a slat board base. During the installation process, you’ll need to install ridge caps and other pieces. Once you’ve laid down the ridge cap, you can start installing the metal roof panels. You can mark the location of the ridge cap with a chalk line. Run the sealant tape up from the line of snapping by approximately 1 inch. Finally, install the closure strip, which should fit tightly over the metal panel.