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Sliding Door Track Assembly Assembly No. 15 is an EPCO sliding door hardware assembly that combines track, guides, rollers, and glazing support so a sliding glass door can run smoothly and stay aligned in a typical opening. The assembly is identified as manufacturer part number 15-A-4, which ties directly to EPCO documentation for matching components on repeat jobs. The SAP description .25"X4FT ALUM TRACK ASSEMBLY, SATIN CLR indicates a 4 foot aluminum track in a satin clear finish, so the profile length and appearance are fixed and predictable across installations. This assembly is classified under builders hardware and sliding door hardware, which places it in the normal workflow for cabinet, closet, or light sliding door projects. By using a defined assembly number with a fixed part mix, installers can standardize field work and reduce time spent matching separate sliding components.
The SAP description ties this product to a .25"X4FT aluminum track, so installers work with a known 4 foot run that suits openings planned around that length. Because the Web Description confirms a satin clear finish on the aluminum, this track assembly presents a consistent appearance where hardware remains visible along the opening. The guidance **For glass height, deduct 1-7/16" from opening height** gives a direct formula for sizing glass, which helps fabricators cut panels that clear the track while staying supported by the shoes, guides, and glazing vinyl. With mounting screws included in the assembly description, the fastening points correspond to the EPCO components listed, so the upper guide, track base, and single track pieces can be anchored in positions that match the intended sliding geometry.
This product is defined as Sliding Door Track Assembly Assembly No. 15 within the EPCO sliding door hardware class, so it serves as a complete sliding track solution when using the matching EPCO guide, shoe, and roller components. The Web Description specifies that options that can be used with Assembly #15 include 730 side jambs, locks, knobs and pulls, which positions this assembly as the core sliding hardware that can be combined with these parts when a framed opening and door control are required. Because the assembly contains two 726 single track sections and a 730 track base, it is suited to openings where a defined track base and parallel running surface are needed along a .25"X4FT aluminum span. The glazing vinyl and 743 shoes support a glass panel in that opening, so the assembly fits projects that call for sliding glass rather than a solid wood panel. Together, these details mean the assembly is oriented toward sliding glass door applications where EPCO component numbering and side jamb options are part of the design.
The use of specific EPCO component numbers in the Web Description - such as 730 upper guide, 743 shoes, 726 single track, 730 track base, 752 rollers, and 771 clip guides - ties every element of this assembly to a defined part, which simplifies repeat ordering and service work when a shop standardizes on Assembly No. 15. Having four 752 rollers and four 771 clip guides spreads load and guidance across multiple contact points, which helps the glass panel travel more evenly along the track during repeated cycles. The glazing vinyl described in the assembly protects glass edges within the hardware, supporting long-term use where the panel slides frequently within its track shoes. The specific note **For glass height, deduct 1-7/16" from opening height** gives a repeatable measurement rule, so glass fabricators can cut panels to the same height every time for similar openings. When the same 4 foot satin clear aluminum track, EPCO part numbers, and sizing formula are used across projects, installers can plan cut lists, drilling patterns, and installation steps around a consistent sliding system rather than treating each opening as a separate layout.
Sliding Door Track Assembly Assembly No. 15 is an EPCO sliding door hardware assembly identified as part number 15-A-4, combining track, guides, rollers, shoes, glazing vinyl, and mounting screws for a glass sliding door.
The product is listed as .25"X4FT ALUM TRACK ASSEMBLY, SATIN CLR, so the aluminum track length is 4 feet, which helps match the assembly to openings designed around that span.
The Web Description states **For glass height, deduct 1-7/16" from opening height**, giving a direct rule for determining glass panel height relative to the finished opening.
The assembly description lists a 730 upper guide, 743 shoes, 752 rollers, and 771 clip guides, which together support and guide the glass panel along the 726 single tracks and track base.
The Web Description notes that options that can be used with Assembly #15 include 730 side jambs, locks, knobs and pulls, and it specifies that for locks to be effective, side jambs must be used.
The Web Description mentions mounting screws, which provide the fastening method to secure the EPCO upper guide, track base, and track sections to the supporting structure.
Choosing Sliding Door Track Assembly Assembly No. 15 gives installers a 4 foot satin clear aluminum track with matched EPCO guides, rollers, shoes, and clip guides, so sliding glass door projects can be laid out around a known assembly. The defined glass sizing rule of deducting 1-7/16" from opening height turns rough opening measurements into a clear glass height dimension, which streamlines fabrication and field fitting. With optional 730 side jambs, locks, knobs, and pulls available for use with this assembly, shops can build consistent sliding door systems around Assembly No. 15 wherever this EPCO hardware family is specified.
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