Friday, 30 January 2015

Hempcreting is easy, formwork takes time

Grant has taken a week off work to get more hempcreting done, Alan, his dad has been coming over every day and they have made great progress. We realised that we needed to move some pallets of lime (3 tonnes) into the tin shed as this will be used as part of retrofitting the rear of our house. It will give us some space within the renovation to access the ceiling more easily when we start insulating it with a hemp and lime mix. We will be using MgO boards for the ceiling and then adding 100mm of hemp and lime as insulation.

There has been some frustration when the mixer is not turning. You have a real sense of satisfaction every time you tamp down hempcrete. The fact is formwork takes longer to set up than the hemping.  We didn't design the renovation with careful attention to how the formwork would work...but hey this is all new to us and lessons are learnt. Grant is getting pretty good at making formwork and he ended up buying some plywood seconds so that formwork set up can be created ahead of the hemping.
I cleared out this shed so that Grant, Fynn and Alan could move 3 tonnes
of lime into it, giving us space to put up scaffolding inside and outside. 

Our western wall is now complete, any further work on this will be
when we fill the top of the trusses and add the ceiling insulation

This is a large window and sliding door opening that is nearly
completely filled with hempcrete

The southern wall in the living area is now complete. There are still
some holes from the conduit that I need to fill.

The west side of the link has now been filled up to 1.2m.

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