Window Wall Build Up

Batten and Counter Batten fixing

Below are a few images of the build-up I used around the windows. The first image shows the batten (45x40mm planed ) build up on the window wall. I tried to offset the battens around the windows so as to minimse thermal bridges. The wall battens are installed at 90 degrees to the vertical window sections behind the OSB.

Passive House Timber Frame Build Up
Insulation

The image below is the RWA45 rockwook installation before the airtight membrane was installed. The wooden strips on the window sill are there to support the sill board. I kept them away from the window frame in order to decrease the thermal bridge. I now plan to use Rockwool RWA45 on all window sills as it performs better at not absorbing water as seen on a previous blog.

Window Insulation Detail Passive House
Thermal Bridge Build Up

The next image shows the finish layer of battens over the membrane.

Passive House Window Detail
Batten Finish Detail

 

 

 

 

 

 

 

 

 

 

 

The window (below) which was installed in the structural frame of the building (I purchased the glazing without the frame 2.4mx.9m) provides light and solar gain. Small lengths of floor board OSB were cut to size in order to build up the insulation and provide a base for the plasterboard finish.

wood spacers for insulation

 

 

 

 

 

 

 

 

 

 

Insulation is placed up against the glass and I plan to place a timber bead around the edge . Plasterboard will then finish the detail.

glazing insulation for glass in structure

 

 

 

 

 

 

 

 

 

 

The finished (near finished) wall looks like this below.

Passive House Wall Detail
Window Wall Detail

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