
Installing solar panels on tiled roofs is a common but delicate process. Tile roofs, often made of clay, concrete, or slate, present unique challenges compared to metal or asphalt surfaces. The key is to achieve a stable and waterproof installation without damaging the tiles or compromising the roof’s integrity.
The first step is identifying the type of tile on the roof. Clay tiles are more fragile and require careful handling, while concrete tiles are sturdier but heavier. Regardless of type, tiles are typically not strong enough to support solar panel frames directly. Instead, the mounting system must anchor to the structural rafters beneath the tiles.
This is where specialized roof hooks come in. These stainless steel or aluminum hooks are designed to be installed beneath the tile, with a curved arm protruding through to support the rail system. Some hooks are adjustable to match various tile profiles and roof pitches. During installation, a few tiles are temporarily removed to access the rafters. The hook is screwed securely into the wooden rafter, and the tile is then trimmed or replaced to allow the hook to pass through cleanly.
A quality mounting system includes horizontal aluminum rails that attach to the hooks. Solar panels are then clamped onto these rails using mid and end clamps. One major concern when working with tile roofs is water resistance. To maintain waterproofing, installers often add flashing or sealing materials around the hooks. Some systems come with integrated waterproof flashing to minimize the risk of leaks.
Companies like SIC Solar, a manufacturer and supplier of solar mounting brackets, offer a range of tile roof hooks and rail systems that are both easy to install and durable in various climates. Their tile hooks are designed to minimize breakage and can adapt to different roof structures, ensuring the solar panels are secure even in windy or rainy conditions.
When selecting a mounting system for tile roofs, attention should be paid to wind load, snow load, and roof orientation. Well-engineered brackets and accessories can significantly extend the life of the system and reduce maintenance. Aluminum materials are preferred for their strength-to-weight ratio and corrosion resistance, especially in coastal or humid regions.
Proper planning is also crucial. Before installation, assess the roof’s structure and condition. If tiles are old or brittle, replacing a few or reinforcing the underlayment may be necessary. It's also wise to pre-plan the cable routing and inverter placement to avoid excess surface wiring.
Mounting solar panels on tile roofs requires experience, precision, and high-quality components. With a reliable support system like those produced by SIC Solar, installers can confidently work across various tile types and roof styles, helping homeowners transition to solar energy without compromising the beauty or durability of their roofs.