Andesite Drainage Channel

Efficient Water Management with Natural Style

The Andesite Drainage Channel by Gramer Stones is a smart and sustainable choice for directing surface water outdoors. Its grey color, natural grain, and robust physical structure make it ideal for projects demanding both durability and visual integration. Designed for pedestrian and vehicular zones alike.

Sizes, Profiles & Material Features

Standard sizes include 12x30x50 cm and 15x30x60 cm, with groove shapes like U-profile, half-round, or V-cut. Available surface finishes include sawn, flamed, or sandblasted, all offering reliable grip and slip-resistance. Andesite is naturally low in water absorption, freeze-thaw durable, and resistant to UV and mechanical impact—a perfect material for long-term drainage use.

Applications and Gramer Stones Expertise

Commonly used along roadsides, parking areas, pedestrian paths, and landscape borders, these channels are cut and shaped with precision at Gramer Stones’ production facilities. Products are quality checked, packaged securely, and delivered according to project timelines.

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.