Zinc Undermount Drawer Slide For Heavy Loads and Long Drawers

The Salice Progressa 27 inch undermount drawer slide delivers full-extension, soft-close performance rated at 170 lb per pair — a capacity that puts it well above the standard kitchen undermount class. Fully concealed beneath the drawer box, it suits both face-frame and frameless cabinets and is built for drawer sides from 1/2 inch to 5/8 inch thick.

Key Features

• 170 lb weight capacity per pair — handles oversize and heavily loaded drawers that standard 90–100 lb undermounts cannot.
• Full extension — the entire 27 inch drawer box opens to the cabinet face, giving complete access to the back of the drawer.
• Integrated soft-close — a built-in damper catches the drawer near the end of travel and settles it shut without slamming.
• Face-frame and frameless compatible — one slide serves both cabinet constructions, with the appropriate series-specific rear mounting hardware.
• For 1/2 to 5/8 inch drawer sides — engineered for the most common dovetailed and doweled drawer-box thicknesses.
• Steel construction with zinc finish — corrosion-resistant for years of indoor service, fully hidden beneath the box in use.

Where the 27 Inch Length and High Capacity Work Together

A 27 inch undermount slide fills a specific niche: deep base cabinets, wide peninsula drawers, and utility pulls where both reach and load matter. At 170 lb per pair, this slide covers applications that routinely push a standard undermount to its limit — pots-and-pans drawers stacked with cast iron, file drawers holding dense document loads, and oversized shop or workroom storage where a shorter, lighter-rated slide would be undersized. Full extension at 27 inches means nothing stays buried at the back; the drawer opens completely, which matters more in a deep cabinet than a shallow one.

Build and Finish

The Progressa is a steel-bodied concealed runner with a zinc finish — functional and durable for indoor cabinetry. Because the slide mounts beneath the drawer box, the zinc finish is hidden from view once the drawer is installed; the finish protects the steel through daily cycles rather than contributing to the aesthetic. The drawer box must be built to Salice's published specification for the Progressa series: 27 inch nominal length, the correct box width, bottom recess, rear notch, and drilling for the series' front fixing clips. Salice's fixing clips are specific to the Progressa line and do not interchange with other undermount systems. Confirm whether front fixing clips are included with this SKU or sold as a separate accessory before placing the order.

Who Should Specify This Slide

Cabinet shops running deep base sections, designers specifying handle-less drawer fronts on tall or wide cabinets, and contractors sourcing for kitchen or utility installs where load ratings genuinely matter will find the Progressa's combination of length and capacity useful. In face-frame cabinets, the matching Salice rear mounting brackets are required to support the slide's back end — these are series-specific and must be ordered alongside the slides. In frameless construction the slide fastens directly to the cabinet side. For drawer sides thicker than 5/8 inch, this version is not the right fit; a 3/4 inch (19mm) side-thickness model is the correct choice in that case.

The Right Slide for Deep, Loaded Drawers

When a 27 inch drawer needs to carry real weight and open completely, the Salice Progressa delivers the length, the capacity, and the soft-close behavior to handle the job without compromise.