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Top J-Channel with Ridges is an EPCO extruded aluminum mirror channel designed for use with 1/4 inch mirrors, so it supports standard mirror thickness in many residential and commercial layouts. The polished aluminum finish presents a clean metallic edge that suits visible mirror perimeters where appearance matters. At 12 feet long, this J-channel spans wide mirror runs or multiple smaller cuts from a single length, which can streamline layout and reduce joint lines. The built-in screw ridge helps prevent screws from damaging mirror backing, giving installers a controlled fastening zone along the channel. That ridge-focused design supports a more forgiving installation when running fasteners along long sections. As part of EPCO's mirror and glass clips class, this channel is intended to work in mirror support roles where reliable edge capture is required.
This polished aluminum J-channel from EPCO behaves as a top edge support for 1/4 inch mirrors, so it is suited to sit along the upper edge where the mirror rests in the profile. The extruded aluminum body keeps the channel shape consistent from end to end, which helps when aligning level runs over long spans. The screw ridge built into the channel defines a fastener path that helps prevent screws from damaging mirror backing, so installers can drive screws along that ridge with less risk to the reflective coating. Because the length is 12 feet, crews can plan cuts to fit multiple openings from one piece, simplifying layout on site.
This Top J-Channel with Ridges sits in the mirror and glass clips class, so its role is to support and retain 1/4 inch mirrors along an edge. The 12 foot length supports wide vanities, fitness walls, or other extended mirror runs where continuous top support is desired. Its polished aluminum finish lets the channel serve as exposed trim around the mirror perimeter, so it works where the metal edge remains visible rather than buried in millwork. Because it is extruded aluminum, the profile stays uniform, which is helpful when multiple cut sections must align visually on a wall or along adjacent mirror panels. In typical mirror layouts, this channel can act as a top capture element that complements other mirror support hardware in the assembly.
The J-channel with screw ridge is engineered so that the ridge helps prevent screws from damaging mirror backing, giving installers a defined fastening land inside the profile. This matters when working quickly along a 12 foot span, because the ridge location guides screw placement away from the mirror surface. For 1/4 inch mirrors, the channel opening matches the thickness, which allows the glass edge to nest in the profile and reduces the chance of the mirror shifting under minor movement. The extruded aluminum structure maintains straightness, supporting accurate alignment to layout lines and reducing rework from waves or twists. Combined with the polished aluminum finish, these details let installers deliver straight, clean mirror lines that read as intentional trim, while the ridge feature contributes to long-term protection of the mirror backing.
The Top J-Channel with Ridges is designed for use with 1/4 inch mirrors, so 1/4 inch glass edges seat properly in the channel for stable top support.
The EPCO Top J-Channel with Ridges is 12 feet long, which helps span wide mirrors or supply multiple cut pieces from a single length on a project.
The J-channel has a screw ridge that helps prevent screws from damaging mirror backing, guiding fastener placement to a safer bearing area inside the profile.
The EPCO 2013-PA Top J-Channel with Ridges is made from extruded aluminum, giving it a consistent profile along its 12 foot length for straight runs.
This 12 foot mirror J-channel has a polished aluminum finish, so the visible edge provides a bright metallic trim around the mirror perimeter.
This Top J-Channel with Ridges is in the mirror and glass clips class, indicating its role as a channel support for mirror installations.
The EPCO Top J-Channel with Ridges in polished aluminum pairs extruded aluminum construction with a 12 foot length and a design for 1/4 inch mirrors. That combination supports long, straight top edges and consistent fit on typical mirror glass. The screw ridge helps prevent screws from damaging mirror backing, so fasteners seat where the profile is built to carry them. For mirror projects that call for a visible polished aluminum trim and controlled screw bearing, this J-channel offers the profile and length needed to plan clean, continuous runs.
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