GEOCELL foam glass aggregate is an insulation material for underground use. Recycled foam glass aggregate saves energy and also contributes to a comfortable indoor environment, an ecological alternative for insulation to building floors.
Foam glass aggregate is available in 1m³ and 2.3m³ bags, but can also be supplied loose in quantities up to 90m³ for larger projects (dependent on access). Please get in contact with our friendly team to discuss the most suitable options for your project. (Please note delivery prices are postcode specific and can vary.)

GEOCELL Foam Glass Uses

Foam glass aggregate (or gravel) is quite versatile because of its unique lightweight, load bearing, draining and insulating properties providing a sustainable replacement for conventional building materials.
Foamed glass aggregate is a ecological construction material that can be used for:

• Limecrete floors
• Insulation under floor slab  (with strip foundation)
• Insulated foundations
• Landscaping and void filling
• Floor structure without base plate (without screed)
• French Drains

Foam Glass Properties

• Aggregate size – 10/60
• Minimum compacted depth – 120mm
• Compaction – 1.3 : 1 (30%)
• Excellent thermal resistance capability – Certified conductivity of 0.08 W/(mK)
• High compressive strength – 275 kN/m²
• Light weight – Approx 150 kg/m³
• Closed cell – Non-capillary
• Fire resistance – incombustible Class A1

The Production Process of Foam Glass

The production process of GEOCELL Foam Glass Aggregate is a fascinating journey from recycled glass to a versatile building material. Here’s an overview of the steps involved:

• Collection and Cleaning: The process begins with the collection of post-consumer recycled glass. This glass is thoroughly cleaned to ensure it contains less than 1% non-glass contaminants.
• Milling: The cleaned glass is then milled into a superfine powder. This step is crucial as it prepares the glass for the sintering process.
• Mixing with Foaming Agent: The glass powder is measured and mixed with a foaming agent. The foaming agent will help the glass expand and form the cellular structure of foam glass.
• Sintering: The mixture is then conveyed into ovens where it undergoes sintering at high temperatures, around 900°C. This heat causes the glass powder to expand and transform into foam glass.
• Cooling and Formation: As the foam glass exits the kiln on a conveyor belt, it cools down. During this cooling phase, tension cracks occur, which helps in breaking down the material into gravel-sized pieces of foam glass aggregate.
• Packaging: Finally, the foam glass aggregate is packaged into big bags of various volumes, ready for transportation and use in construction projects.

This process not only recycles waste glass but also creates a product that is lightweight, insulating, and environmentally friendly, making GEOCELL Foam Glass Aggregate a sustainable choice for modern construction.

GEOCELL Foam Glass Gallery

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