In areas where slate is more common, you will find installers who will work on slate roofs themselves or in partnership with a roofing company. Many installers do not work on slate roofs for this reason. Slate can be a difficult material on which to installer solar. These systems use non-penetrating hardware that is kept on your roof by weighted blocks. In addition to the racking systems used in pitched roofs, flat roofs also provide the option of ballasted roofs. The materials used to cover them vary widely from metal, to modified bitumen to sheet-like covering materials. Example of a ballasted system.įlat/low-slope roofs are usually less than five degrees in tilt. The modules themselves act together as the support system for each other. Another design has panels attach directly to the flashings themselves. The panels are then clamped to the rails to keep them securely in place. Panels can be attached to these roofs using aluminum rails that are attached to the singles with flashings that slide under several courses of shingles. Roofers lay down these shingles in courses (rows) that overlap across your roof to allow water to shed from them and not get underneath and leak into your home. These roofs are typically covered with shingles of various styles and materials. Most homes in the United States feature roofs that are pitched or tilted. A racking system installed on a shingled roof. Your installer will recommend the type of racking system most appropriate for your roof. The best racking system for your home depends on how your roof is structured and what type of roofing materials you have. There are a variety of racking and attachment solutions available to match the many different types of roofs.
Racking systems keep your solar panels in place.
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