Category Archives: Double cavity wall

We used Rockwool Cavity insulation because we believe it; Is very stable over the long term (it doesn’t slump); Doesn’t deteriorate when it gets wet; Is affordable; and Is readily available. On the large dining room window we couldn’t fit … Continue reading →

Having laid the two courses of dense concrete blocks were realised that a row of wall ties was required just below ground level.  To fit these we had to drill into the polystyrene and glue the wall ties in with … Continue reading →

With the foundations laid the next step was blockwork and insulation below ground level. The blocks were stacked up around the site ready for laying. The existing brick walls needed to be cleaned to make sure the polystyrene insulation would … Continue reading →

We first considered external wall insulation with render then, because our neighbours were concerned about the change from brick walls and wouldn’t give us permission to do the back wall of our house, we switched to internal insulation throughout.  The … Continue reading →

Back in 2004/05 we did a crazy journey driving across the world from Oxford, England, to Oxford, New Zealand, in a 1954 Morris Oxford fundraising for the Red Cross.  It wasn’t meant to be an environmental journey but it did … Continue reading →