At Roundtower Lime, we offer complete, high-performance product systems designed to simplify sustainable and heritage-friendly construction. Our system-based solutions ensure compatibility, durability, and breathability across a range of renovation and new-build applications.
Whether you're insulating solid masonry walls, specifying a breathable floor for a historic building, or restoring a vernacular cottage, our systems are engineered to work together for optimal moisture control, thermal performance, and long-term durability.
Our Core System Offerings Include:
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Roundtower Limecrete Flooring System
A fully breathable, insulated lime floor using Glapor recycled foam glass and NHL-based limecrete — ideal for traditional solid wall buildings and conservation projects. -
Steico Wood Fibre Insulation Systems
Natural wood fibre systems for internal or external wall insulation, with options for plastered or ventilated finishes. A breathable, thermally efficient solution for retrofit or new-build. -
Insulating Lime Plaster Systems
Layered render solutions combining Roundtower SuperTherm Plaster, breathable finishing coats, and mineral paints — perfect for regulating humidity and improving comfort in solid wall homes. -
Internal Wall Insulation Systems
Systems featuring cork insulation boards, calcium silicate panels, or hemp-lime solutions, designed for vapour permeability and mould resistance in heritage or moisture-sensitive buildings.
These systems are supported by our technical expertise, hands-on training, and a full range of compatible accessories and breathable paints.
FAQs – Product Systems
What is a “product system” and why should I use one?
A product system is a set of materials designed to work together as a complete solution. Using a system ensures compatibility between layers and reduces the risk of condensation, delamination, or thermal bridging.
Are your systems suitable for historic or protected structures?
Yes. All Roundtower systems are designed with breathability, reversibility, and conservation in mind. Many are approved for use in heritage buildings and listed properties.
Can I customise the system for my specific building or performance goals?
Absolutely. Our team offers tailored advice to adjust thicknesses, finishes, and materials based on the specific needs of your project, whether it’s thermal upgrades, moisture control, or visual appearance.
Do you offer installation guidance or training?
Yes. We provide CPD seminars, contractor training, and ongoing technical support to ensure each system is correctly specified and applied.
