Foam glass aggregate is a lightweight, load-bearing insulation material made from post-consumer recycled glass. Through a high-temperature process, waste glass is expanded into a rigid, closed-cell gravel that combines excellent thermal insulation with long-term durability. Widely used beneath limecrete floors and in sustainable ground-bearing applications, it offers a practical, low-impact alternative to traditional hardcore or concrete sub-bases.

Foam Glass Aggregate

Geocell Foam Glass Aggregate

£175.00£415.00 (Excluding VAT)
This product has multiple variants. The options may be chosen on the product page
Out of stock
£40.46 (Excluding VAT)

The closed-cell structure of foam glass aggregate makes the material highly resistant to moisture absorption, ensuring consistent performance even in damp conditions. While the aggregate as a whole is not vapour-open, it can be used as part of a breathable floor build-up when installed beneath limecrete or other compatible materials. This makes it suitable for both modern and heritage buildings where moisture regulation is a key consideration.

In addition to its insulation and drainage capabilities, foam glass is fire-resistant, rot-proof and pest-resistant. It does not degrade over time, making it a reliable, long-term solution for retrofit flooring, Passive House detailing, and eco-conscious new builds. Lightweight and easy to install, Geocell also helps reduce transport and labour costs, supporting efficient and sustainable construction.

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