FAQs

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Expansion Joints and Sublime® Insulated Limecrete Floor
Tŷ-Mawr ‌‌ 3 May 2018

Our research has suggested that the considerations applicable to cementitious concrete with regard to expansion joints are not applicable to lime-based concretes. Hydraulic Lime generates little heat during the initial chemical hydraulic set and limecrete has a good flexural strength to compressi......

Level changes in a Sublime Floor
Tŷ-Mawr ‌‌ 11 May 2018

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What is the exposed perimeter and how is it calculated?
Tŷ-Mawr ‌‌ 1 Feb 2023

The thermal performance of a ground floor is directly related to the length of the exposed perimeter and the floor area, the exposed external walls are where the majority of heat is lost due to the temperature difference and movement of cold air across the walls surface....

Can I source my own aggregate?
Tŷ-Mawr ‌‌ 6 Feb 2023

Depending on the size and location of your floor, supplying from the aggregate from our yard in the Brecon Beacons can significantly increase the delivery cost of materials. We are keen to reduce environmental impact and cost of delivery wherever possible so you can source the aggregate for the l......

sublime® Insulated Limecrete Floor
Tŷ-Mawr ‌‌ 7 Jul 2016

Our original motivation in the mid-1990s was to develop a flooring system to replace the earth and broken flagstone floor in our Georgian kitchen. We already understood the importance of 'breathing' buildings and the role of lime in achieving this in old buildings and so we did not want to interr......

Why should I use a Ty-Mawr sublime® insulated floor?
Glover Sure 2 Feb 2017

Ty-Mawr has been designing and supplying floors since 1999. Thousands of floors have been supplied for everything from humble cottages to churches and cathedrals to commercial premises all over the UK, and abroad. ...

How do you lay the Ty-Mawr sublime® Limecrete Floor System?
Tŷ-Mawr ‌‌ 8 Aug 2016

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Advantages of Limecrete vs Concrete
Tŷ-Mawr ‌‌ 2 Feb 2017

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What is Limecrete made from?
Tŷ-Mawr ‌‌ 6 Feb 2023

Limecrete has three main components, Limecrete binder, aggregate and screed fibres, the mix ratio is 3 to 1 (3:1) by volume, with 3 parts aggregate to 1 part lime and approximately 1 bag (0.9kg) of screed fibres per tonne of aggregate....

Can I install a Sublime Limecrete Floor with shallow foundations?
Tŷ-Mawr ‌‌ 9 May 2017

Yes, you can – with the correct detailing and considerations, Sublime floors can be installed in these situations. We supply many floors to buildings with limited or no foundations such as barns....

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