August 30, 2018

A Guide to Internal Wall Insulation

What is internal insulation?

Internal insulation is essentially insulation which is applied to the inner face of external walls in a building. It’s usually bonded or screwed to the walls and usually extends from the very bottom of the ground floor...

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July 02, 2018

Air Tightness: The Beginners Guide

What is air tightness?
Air tightness essentially is a measure of how much air leaks out from the interior of a building when there is a pressure difference between the interior and the exterior. 
Now, that doesn’t mean that air only leaks out when someone is blowing air into a building or pushing air out of the building. 

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May 17, 2018

Cavity Wall Insulation: The 16 Key Questions

Hello, and welcome to this week’s ‘Back to Earth’ podcast with me, Chris Brookman. This the show for architects, builders and surveyors all about the use of sustainable building materials.

In this episode specifically we’re going to be answering questions all about cavity wall insulation

Cavity wall insulation’s a topic...

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April 17, 2018

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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July 14, 2017

How to cut and install flexible wood fibre Insulation

One question we get ask a lot by clients is 'what's the best way to cut wood fibre insulation?' The following short video explains how we'd suggest you do so.  In summary you can use a hand saw for quick cuts and if you don't have much to cut but it's hard work on larger jobs.

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May 11, 2017

Free, Online Wood Fibre Insulation Course

Over the last few months, the Back to Earth team have been busy developing the first freely accessible, online wood fibre insulation course.

Designed for architects, builders and self-builders, the thirteen module course covers how to specify, source and use wood fibre effectively. We decided to create the course in response to...

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April 19, 2017

Guest Expert | Timber Frame Construction with Carpenter Oak

Our colleagues over at Carpenter Oak have put together this guest post to highlight the ways and benefits of using natural building materials in timber frame construction projects. Having worked on a couple of buildings together, we're thrilled to hear about the impact our materials and knowledge is having on their projects. This article details these projects in more depth.

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