Line System steel shelving by Dieffebi in a team space

Salt spray, scratch, impact: Line System trains like a car body

Dieffebi

Elisa Ossino

Line System
Line System Most Requested
$ 13,410

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Trade terms for professionals and design studios

Office shelving rarely shows its homework. Line System prints it: every data sheet lists the metal test battery the finish goes through — salt-spray corrosion like a car body, adhesion, scratch and abrasion, impact, light fastness, hot and cold liquids. Not marketing adjectives: numbered ISO and UNI EN methods, declared size by size.

The object those tests protect is drawn by Elisa Ossino: a steel shelving system on a 390 mm bay, five widths, five heights, semi-gloss RAL colours with a thermoformed, factory-paired back. For collaborative offices and open-plan floors where furniture is touched by everyone and owned by no one, a finish with credentials is not a luxury.

La Mercanti delivers Dieffebi systems across the United States — send your wall sizes, and the configuration returns confirmed in writing with the factory.

Technical information based on data declared by the manufacturer.

Collection: Line System, modular steel shelving system
Manufacturer: Dieffebi
Design: Elisa Ossino
Year: production started 2024; Made in Italy (San Vendemiano, Treviso)
Module: 15.4 in bay; depth 15.4 in
Widths: 15.4, 29.9, 44.5, 59.1 or 73.6 in
Heights: 16.5, 40.9, 55.5, 70.1 or 84.6 in (23 catalogue formats)
Materials: metal structure and shelves; thermoformed back; open shelving, no doors
Colours: semi-gloss Pure White RAL 9010, Black RAL 9004, Ochre Brown RAL 8001; factory-paired back in yellow (with white), grey (with black) or brown (with ochre); custom colours on request
Weight: declared per format on the data sheet (e.g. 44.5 × 70.1 in: 127 lb)
Declared metal tests: adhesion ISO 2409, salt spray ISO 9227, light fastness UNI EN 15187, cold liquids UNI EN 12720, wet heat UNI EN 12721, dry heat UNI EN 12722, abrasion UNI EN 15185, scratch UNI EN 15186, impact UNI 9429
Sustainability: green design in accordance with LEED standards, as declared on the sheet
Care: soft cloth; never abrasive cloths
Warranty: as per the official Dieffebi warranty document

La Mercanti USA Llc — your partner for Italian design and contract supply.
Los Angeles, CA, USA · +1 855 335 8079 · info@lamercanti.us
Supply, quotes, specifications and project support across the United States and North America.

Let us know which finishes you'd like to explore

$ 180

Credited in full toward your purchase

FAQ

What sizes does the system come in?
Five widths — 390 to 1870 mm — by five heights — 420 to 2150 mm — on a constant 390 mm depth: twenty-three catalogue formats, each with its own declared weight.
Is the weight of each unit documented?
Yes — every format's data sheet states its net weight (the 1130 by 1780 unit, for instance, weighs 57.40 kg): useful for mezzanines, raised floors and freight planning.
Who is the designer?
Elisa Ossino, credited on every sheet — the system entered production in 2024, made in Italy by Dieffebi in San Vendemiano, Treviso.
Does it work as a room divider?
Yes — the back is thermoformed and finished in its own colour, so the unit can stand mid-room with a presentable face on both sides.
How do orders and delivery work stateside?
La Mercanti coordinates production and shipping with Dieffebi; dates are confirmed in writing at order confirmation — factory dates, not estimates.

How to plan a shelving island in the middle of the floor

Freestanding shelving zones a floor without drywall: five steps to place the island right.

Map the desire lines
People cut corners: place the island so it guides traffic instead of fighting it.
Choose a mid height
Chest-high units separate zones while keeping the ceiling and light shared.
Face the colour outward
Point the finished, coloured back toward the arrival side — it is a facade, use it.
Load both faces
Shared material on the work side, plants and display toward the lounge — the island serves two rooms.
Check the floor path
Confirm weights and access route with La Mercanti before the units ship.

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