Expanded Clay Argilestone The expanded clay Argilestone is a natural, lightweight, durable, and eco-friendly aggregate, ideal for a wide range of applications. Its versatility makes it perfect for: Garden decoration Pot decoration Aeration of substrates Substrate for hydroponics Production of lightweight concretes With a stabilized pH between 5.5 and 6.5, the expanded clay Argilestone is an excellent support for hydroponics. Available Granulometries We offer various granulometries of expanded clay: 0-5 mm 4-8 mm 8-12 mm 8-20 mm - the most used for decoration Available Packaging Our expanded clay is available in the following formats: 50 L bags Big bag of 1.5 m³ (1,500 L) Bulk service - consult us without obligation Mortar with Expanded Clay for Roofs To prepare 1m³ of mortar, it is recommended to use the following proportions: 1,100 L of expanded clay 150 kg of cement 120 L of water The most suitable granulometries for this use are 4-8 mm and 8-20 mm. SAKURA TERRA - Crushed Expanded Clay We also have crushed expanded clay in different granulometries. For more details, check the information on the product page Sakura Terra.