Black Basalt Gravel 20mm - 25/50 20kg Bags Variant:25 Bags (500kg) Thermal Performance: With its thermal

Thermal Performance: With its thermal conductivity of 0

Its strength is down to the tens of thousands of strands of real wood that go into each and every board

it is manufactured specifically for its visual appeal without compromising durability and performance

Allow six hours of drying time between coats

Black Basalt Gravel 20mm - 25/50 20kg Bags Variant:25 Bags (500kg) Thermal Performance: With its thermalCharcoal Granite Gravel 20mm, known as Black Basalt or Black Granite, is a versatile and striking volcanic aggregate. When exposed to moisture, its smoky grey hue transitions to a deep, jet black, adding a dynamic element to any landscape. This gravel is visually appealing, incredibly durable, and resistant to moss growth, making it an excellent choice for garden paths and decorative landscaping. Its angular shape ensures that the pieces interlock