The Montagna Grey collection by Atl Aeterna embodies a serene blend of elegance and modernity, capturing the essence of sophisticated design. Inspired by the natural hues of mountain landscapes, this collection provides a calming backdrop for any space, evoking tranquility and timeless beauty. The clean lines and refined aesthetics make Montagna Grey the perfect choice for those who appreciate understated luxury.
Featuring a versatile palette centered around a beautiful gray tone, this collection includes a range of finishes such as glossy, matte, and satin, allowing for a customizable look that can suit various design preferences. With its smooth texture and large-format rectangular shape, Montagna Grey is designed to create expansive visual appeal while maintaining a subtle, uniform pattern.
Ideal for both residential and commercial applications, Montagna Grey complements a variety of design styles from contemporary to minimalist. Whether you are looking to elevate a modern kitchen, create a serene bathroom retreat, or enhance a chic living area, this collection effortlessly adapts to your vision, providing a seamless flow throughout your home or project.
Crafted with meticulous attention to detail, the Montagna Grey collection embodies Atl Aeterna’s commitment to quality and Italian heritage. Its technical benefits, including durability and easy maintenance, ensure that your selection not only looks stunning but also stands the test of time.
Technical Specifications
| Property | Value | Standard |
|---|---|---|
| Water Absorption | < 0.08% | EN ISO 10545-3 |
| Breaking Strength | ≥ 1400 N (6mm) - ≥ 5400 N (12mm) | EN ISO 10545-4 |
| Modulus of Rupture | 52 N/mm² | EN ISO 10545-4 |
| Abrasion Resistance | ≤ 120 mm³ (Matte, Vintage, Grained) - ≤ 140 mm³ (Silk, Polished, Honed) | EN ISO 10545-6 |
| Frost Resistance | Resistant | EN ISO 10545-12 |
| Resistance to Chemicals | Class A (Matte, Vintage, Grained, Silk) - Class B (Honed, Polished) | EN ISO 10545-13 |
| Stain Resistance | Class 5 (Matte, Vintage, Grained, Silk) - Class 4 (Polished, Honed) | EN ISO 10545-14 |
| Resistance to Thermal Shock | Resistant | EN ISO 10545-9 |
| Impact Resistance | 0.83 (6mm) - 0.85 (12mm) | EN ISO 10545-5 |
| Linear Thermal Expansion | 6.0 x 10⁻⁶ °C | EN ISO 10545-8 |
| DCOF (Organic Matte) | ≥ 0.60 | ANSI A326.3 |
| Chemical Resistance (ANSI) | Class A | ASTM C650 |
| Stain Resistance (ANSI) | Class A | ASTM C1378 |
| Bond Strength | 310 PSI | ASTM C373 |






