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MSc Conservation Students, 2009
Limecrete and Sublime®
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GLAPOR Recycled Foamed Glass gravel is a superior loosefill insulating aggregate ideal for use in our LABC accredited limecrete flooring system.
Our flooring system does not include a moisture impermeable barrier (Damp Proof Membrane). The control of ingress of moisture is achieved by using a layer of recycled foamed glass aggregate beneath the slab material. Its non capillary active closed cell structure provides the moisture protection for your floor while remaining vapour open. This material also has an excellent thermal resistance capability (0.078W/mK).
We calculate the thickness of this layer to provide a specified U Value, taking into account the length/thickness of perimeter walls, overall floor area etc - see Accredited Floor Calculation Form.
From the birth of our innovative Limecrete flooring system, launched in 1998 as a breathable, lightweight alternative to cement-based concrete, we at Ty-Mawr have been selecting and testing various materials and combinations of materials to both simplify the installation process and improve the ‘green’ credentials of our floors.
Following developments in the manufacturing process of the GLAPOR Foamed Glass gravel and extensive testing of our recycled lime screed product we are proud to announce the launch of our first breathable, sustainable floor system designed specifically for use with underfloor heating ‘sublime®’