Basalt Drainage Channel

Robust Drainage for High-Demand Outdoor Surfaces

Basalt Drainage Channels by Gramer Stones are engineered to manage surface water in urban and landscape environments where strength and visual harmony are essential. Its deep grey color and high-density composition make it a practical and elegant choice for long-term exterior water control.

Dimensions, Profiles & Finishes

Commonly produced in 12x30x50 cm and 15x30x60 cm, these channels are available in U, V, or half-round profiles. Surface finishes include sawn, flamed, or sandblasted. Basalt is known for its very low porosity, freeze-thaw durability, and compressive strength, allowing it to endure harsh climates and heavy usage without structural degradation.

Use Cases and Precision Craftsmanship

Applications include roadside gutters, parking lot perimeters, walkway drainage, and landscape edging. Each channel is cut and shaped by Gramer Stones with a focus on precision and consistency. All units are checked for quality, securely packaged, and delivered project-ready.

Other Natural Stones

Applications

The possible uses are quite diverse. It is mainly used for interior and exterior floor and wall coverings, as well as stairs, facades and countertops.

Surface Finishing

Filled - Unfilled | Honed - Unfilled | Polished - Raw | Cross Cut - Vein Cut Tumbled - Brushed | Patinato - Blasting | Hammering - Sandblasting

Gramer Stones produces high quality natural stones and sells them domestically and internationally. Our own natural stones such as marble and travertine are preferred in high quality projects.