Outdoor travertine slabs are rugged, weather-resistant natural stone products engineered to withstand harsh outdoor conditions—including UV radiation, temperature fluctuations, rain, snow, and foot traffic—while maintaining aesthetic appeal. GHY STONE, a leading manufacturer since 1992, develops these slabs for outdoor spaces such as patios, pool surrounds, garden pathways, commercial plazas, and hotel terraces, combining durability with natural beauty. Sourced from quarries in Iran’s Naein (travertine with high density—2.7–2.8 g/cm³—and freeze-thaw resistance) and Spain’s Alicante (travertine with UV-stable pigments and low water absorption), the raw material meets stringent outdoor performance standards: compressive strength of ≥125 MPa (resisting heavy furniture and foot traffic), water absorption of ≤0.3% post-treatment (ASTM C97, preventing frost damage), freeze-thaw resistance (ASTM C666, 100 cycles without cracking), and UV resistance (no color fading after 2000 hours of accelerated testing). Fabrication emphasizes weatherproofing and slip resistance: CNC cutting produces thicker slabs (20mm–30mm) for structural stability, with rough-cut edges to prevent chipping from impacts; a specialized outdoor-grade resin filler (formulated to resist temperature expansion) is injected into pores via high-pressure equipment; surface treatments include tumbling (creating a textured, slip-resistant surface with an R12 rating per EN 14411, critical for pool surrounds) or sandblasting (rough texture for pathways); and a UV-stable, waterproof sealant (polyurethane-based, low-VOC) is applied in multiple layers to repel water and block UV rays. Colors are selected for outdoor visibility and fade resistance—deep browns, earthy beiges, and dark grays—that complement garden greenery and building exteriors, avoiding light tones that show dirt easily. Installation requires outdoor-specific preparation: a compacted gravel or concrete substrate (ensuring drainage to prevent water pooling), adhesive (weather-resistant mortar with freeze-thaw flexibility), and wider grout lines (4–5mm) filled with sanded grout to accommodate thermal expansion. Maintenance addresses outdoor wear: semi-annual cleaning with a pressure washer (low pressure, ≤1500 PSI) to remove dirt and algae; annual application of outdoor sealant to replenish weather protection; and occasional spot cleaning with a mild bleach solution to eliminate mold. GHY STONE’s outdoor travertine slabs also undergo accelerated weathering testing to simulate decades of outdoor exposure, ensuring long-term performance. Additionally, sustainable practices—such as quarry reforestation, water recycling for cutting and cleaning, and waste repurposing into landscape aggregates—minimize environmental impact. Whether used for a residential patio, a hotel pool deck, or a commercial plaza, outdoor travertine slabs deliver durability, safety, and natural elegance, reflecting GHY STONE’s commitment to premium, sustainable stone solutions for outdoor applications.
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