Foam Glass Insulation in Construction + Limecrete Flooring
Who Should Attend?
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Architects & Consultants
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Builders & Contractors
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Professionals involved in Restoration, Rebuilds, and New Builds
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Students of Architecture, Engineering & Construction
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Homeowners with an interest in sustainable and traditional building solutions
Course Overview
This training session will focus on the design and application of Limecrete Flooring Systems using Glapor Foam Glass Insulation as the base layer. Roundtower is the Irish distributor for Glapor, a high-performance insulation material made from 100% recycled glass.
Glapor foam glass combines the physical strength of glass with the insulating qualities of a closed-cell structure, making it:
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Vapour-tight yet sustainable
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Lightweight and easy to install
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Highly durable with strong compressive strength
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Naturally fire resistant
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Rodent-proof and long-lasting
Limecrete Floors in Old Buildings
Traditional solid floors in historic buildings were typically breathable, allowing ground moisture to evaporate harmlessly. When replaced with modern concrete slabs and damp-proof membranes, problems often arise—trapped moisture, rising damp, and decay of adjacent walls and timbers.
Limecrete flooring, when paired with Glapor foam glass, offers a breathable, flexible, and sustainable alternative. Benefits include:
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Moisture management – allowing vapour to pass through rather than trapping it.
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Thermal insulation – significantly reducing heat loss from the floor.
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Compatibility – designed to work with solid wall construction without introducing damp risks.
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Strength & durability – suitable for modern living while respecting the performance of traditional structures.
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Sustainability – using lime and recycled glass to reduce environmental impact.
This makes limecrete floors particularly well-suited for restoration projects, as well as new builds where breathability and sustainability are priorities.
CPD Accreditation
Participation in this course provides 1 hour of CPD. Certificates of attendance can be issued following completion of the session.
What to Expect on the Day
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Participants will receive a Zoom link via email on the morning of the course.
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The session will open with a short introduction from the Roundtower team.
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This will be followed by a trainer-led presentation on Limecrete Flooring Systems and the role of foam glass insulation.
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The course will conclude with a dedicated Q&A session with our guest speaker and Roundtower advisers.
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All questions will be addressed as far as time allows, with follow-up support available after the session.
