Advice

January 16, 2017

The benefits of using clay plaster

Clay plasters are often associated with more 'way-out' construction or very niche historic building restoration. However, there are several properties of the material that makes it much more useful in modern contemporary construction than might initially be thought. Unfired clay based plasters are very good at absorbing atmospheric humidity and can do so at a rate that makes them useful in areas with fluctuating high moisture levels, such as bathrooms and kitchens.

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December 14, 2016

How do I insulate a suspended ground floor?

This is a common problem in retrofit projects as it can be tricky to get anything underneath the floor structure to hold up your insulation. Installing insulation without any support is risky as over time and with the vibration that walking over the floor causes, the insulation can slowly fall out. From our experience the simplest way to insulate suspended floor...

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December 14, 2016

What is a Vapour Control Layer (VCL) and why do you need one?

Here we look at how a Vapour Control Layer (VCL) works, whether you need to use taping and if vapour check plasterboard is a viable alternative. With a plethora of membranes on the market, each designed to do a different job and behave in subtly different way it is easy to be confused about which membranes are required to create a building structure.

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November 16, 2016

Psi Values, Thermal Bridging And Wood Fibre Insulation

Psi values (pronounced p’see) are a measurement of the heat loss that occurs at all junctions where non-repeating thermal bridges occur. These can be wall to wall junctions, wall to ground floor/suspended floor, wall to roof, wall to window/door junctions and also in party wall/floor junctions.

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November 16, 2016

Understanding A Building's Thermal Performance Using U-values


The U-value of a building element, such as a wall, roof or floor, is a measure of the thermal transmittance of that element. The lower the U-value, the slower the flow of heat is through that element once it has reached a steady state (meaning the flow of heat through...

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October 18, 2016

Key Considerations When Insulating a Timber Frame Building

Prior to setting up Back to Earth as a material supply company we had Back to Earth the building restoration company. During those years we often used standard materials to insulate roofs, timber framed wall sections or whole timber framed buildings, both new and old, usually with pretty average results...

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October 18, 2016

Lime Vs Cement Based Renders


We often get asked why our renders are lime and not cement based. People query why breathability matters if you’re rendering on to impervious materials and why you'd pay more for no clear benefitWe supply Baumit renders because they are lime based, technically very good and high quality.

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