Fontbelle Limestone

Fontbelle Limestone is a distinguished French limestone that embodies a soft, organic aesthetic, characterized by its warm, creamy beige to off-white tone. This stone not only exudes elegance and calmness but also reflects its rich geological heritage through its textured surface. Below is a detailed description of Fontbelle Limestone, encompassing its physical and mechanical properties, chemical and mineral compositions, usage, maintenance, cutting sizes, and available surface finishes.

Physical and Mechanical Properties

• Density: 1800 - 1900 kg/m³ (according to NF EN 1936)
• Water Absorption: Typically low due to its limestone nature, though exact values may vary.
• Flexural Strength: 2 - 4 MPa (according to NF EN 12372)
• Compressive Strength: 5 - 10 MPa (according to NF EN 1926)
• Hardness: Medium, typical of limestones, capable of bearing moderate external wear.
• Porosity: Moderate, with visible fine pores, contributing to its naturally textured appearance.
• Slip Resistance: Generally moderate due to its textured surface, but specific ratings depend on surface finish.

Chemical and Mineral Composition

• Calcium Carbonate (CaCO3): Predominant component, ranging typically between 90-95%.
• Silica (SiO2): Present in minor amounts.
• Iron Oxides: Trace amounts that can influence color variations.
• Fossil Impressions: Occasional, adding to its unique textural profile.

Usage

• Interior Uses: Ideal for flooring, wall cladding, and countertops due to its calming aesthetics.
• Exterior Uses: Suitable for facades and paving, though should be treated for enhanced durability against weather.
• Decorative Uses: Excellent for use in design elements like fireplaces, columns, and sculpture due to its workability and texture.

Maintenance

• Routine Cleaning: Use a pH-neutral cleaner to keep the surface clean and maintain its natural look.
• Sealing: Recommended for exterior and high-traffic interior areas to enhance durability and resist staining.
• Stain Removal: Prompt cleaning advised to prevent absorption into the pores.

Cutting Sizes (in cm)

• Standard Slabs: Typically up to 2 cm thick, with flexible width and length according to project requirements.
• Tiles: Commonly available in standard tile sizes such as 30x30, 30x60, and 60x60 cm.

Available Surface Finish Options

• Honed Finish: Enhances the stone’s tactile and matte surface, preserving its breathable quality.
• Polished Finish: Provides a glossy look but is less common due to the stone’s natural texture.
• Antiqued Finish: Offers a rustic, aged appearance, ideal for traditional or historic restoration projects.
• Brushed Finish: Ensures a textured feel while maintaining a warm, natural appeal.

Fontbelle Limestone, with its unique blend of rustic charm and refined elegance, is a versatile material suitable for a variety of applications both indoors and outdoors. Its enduring aesthetic, coupled with its intrinsic geological features, makes it a favored choice for architects and designers seeking a timeless, organic look.

• Volumetric weight: 1,800–1,900 kg/m³ (NF EN 1936)
• Porosity: 25–35% (NF EN 1936)
• Sound propagation speed: 1,600–2,200 m/s (NF B 10-505)
• Compressive strength: 5–10 MPa (BS EN 1926)
• Flexural strength (centered load): 2–4 MPa (BS EN 12372)
• Capillarity C1: 31–46 g·cm⁻²·min⁻⁰·⁵ (NF B 10-502)
• Capillarity C2: 2–4 g·cm⁻²·min⁻⁰·⁵ (NF B 10-502)