Insulating the house

The house was well insulated underground as the basement and ground works were completed. Now it is time to insulate the main, above ground portion of the house. The most efficient and environmentally friendly material for this is cellulose. It is widely used in other countries around the world, but is relatively unknown in the UK. This website provides a lot of interesting background – www.cellulose.org

The insulation is recycled newsprint
The insulation is recycled newsprint

 

This morning, 7 tons of the product were delivered to site. Unfortunately the haulage company did not listen to advice and brought the wrong kind of truck. It was only due to the heroic efforts of Joe and the team from Devana that the truck was unloaded and work could continue.

First batch of insulation delivered
First batch of insulation delivered

The cellulose is supplied in bales. It is basically paper mixed with chemical to prevent fire and animal ingress. The bags are loaded into a pump in the back of a van.

The Devana van complete with high volume pump
The Devana van complete with high volume pump

Inside the house holes are drilled into the plasterboard

Wall with filling holes above and check holes below
Wall with filling holes above and check holes below

 

 

 

 

 

Hose bring the material mixed with air into the house. Where it is pumped into the walls

Filling the wall voids
Filling the wall voids

Samples are taken from lower down the wall and checked to ensure the correct filling density.

A core is taken out of the wall
A core is taken out of the wall
Checking the density
Checking the density

In total around 13 tons of the material will be pumped into the house. It also contributes to the air tightness of the building and helps with sound problems.

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