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Beauty Meets Function: The Fortis Collection

February 16, 2026

This season, Koroseal introduces the Fortis Collection—a refined range of performance wallcoverings that proves beauty and function can coexist. Rooted in the elegance of natural materials, Fortis reinterprets artisanal textures into durable, design-forward surfaces for commercial interiors. Featuring 8 curated designs, created in partnership with Arte, the collection brings the aesthetic of linen, silk, raffia, banana leaf, and handwoven weaves into high-performance Type II wallcoverings—where quiet luxury meets lasting performance.

Explore the Fortis Collection

Balancing beauty with function, Fortis delivers calm, cohesive backdrops through subtle tonal shifts, controlled patterning, and refined texture. These designs are Type II interpretations of Arte’s specialty patterns, capturing the look and tactile elegance of natural materials while offering all the durability, cleanability, and performance benefits of Type II wallcoverings. Each design elevates interiors with authentic beauty engineered to endure.

Arista – 8 colorways
Interpretation of Arte’s Specialty pattern Infini – A refined interpretation of woven paper yarn and banana leaf, brought to life through rich color variation and natural movement.
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Belgian Linen – 22 colorways (13 new, 9 carryover)
A recolored timeless linen-inspired wallcovering with understated texture and enduring versatility.
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Meadow – 12 colorways
Interpretation of Arte’s Specialty pattern Motas – A vinyl wallcovering inspired by woven arrowroot fibers, accented with subtle colored flecks for a realistic, textured look.
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Mistura – 9 colorways
Interpretation of Arte’s Specialty pattern Telaio – A lifelike interpretation of woven raffia, arranged in a soft block pattern with an artful, handcrafted feel.
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Opaco – 11 colorways
Interpretation of Arte’s Specialty pattern Brushed Suede – A soft, suede-like wallcovering inspired by the artisanal beauty of brushed-paint techniques, bringing depth and warmth to any space.
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Sambava – 12 colorways
Interpretation of Arte’s Specialty pattern Tana – A refined interpretation of a handcrafted raffia weave, defined by natural knots, tonal variation, and organic texture.
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Sapphire – 22 colorways (10 new, 12 carryover)
A recolored luminous linen-inspired design defined by a recognizable weave and refined sheen.
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Tussah Silk – 13 colorways
Interpretation of Arte’s Specialty pattern Pure Silk – A highly realistic wallcovering inspired by coarser silk, featuring varied thread thicknesses, subtle color nuances, and the charming imperfections of the original textile.
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Learn more about the Fortis Collection

About the Creator: Arte

Arte wallcovering

For nearly two decades, we’ve partnered with Arte to bring their sophisticated aesthetic to life—translating their visionary creations into expertly manufactured patterns tailored for commercial interiors. They are a family-owned brand with over forty years of expertise and are celebrated worldwide for luxurious and innovative wallcoverings.

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Beauty That Performs

Fortis proves that walls can be both beautiful and functional. Designed for durability, low maintenance, and long-lasting appeal, these wallcoverings combine artisanal textures with Type II performance—delivering surfaces that look as good as they perform.

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Sustainability & Transparency

Koroseal is committed to supporting healthier, more transparent material choices. All of our Type II performance wallcoverings offer HPDs and EPDs to support material transparency and informed specification. Click here to learn more about our sustainability efforts and product features.