Tom & Anne Bragg’s experience of insulating under their ground floors, including:
- your choice of techniques
- DIY or with professional help
- Practical detail for DIY
Tom’s Aug’13 article See comments here on Green Building Forum
Anne’s newer method, lifting a floorboard every 1.2m
Another professional method is Retrovive from Devana Insulation. They take up some floorboards, suspend a net “hammock” under the floor between them, into which they blow Warmcel cellulose insulation.
Tom Bragg &Anne Miller describe DIY awnings that can easily be put up and taken down, as needed. They provide shade for south-facing windows, making the rooms inside much more comfortable.
They may even give you some shade outside too.
Keeping Cool in a Heatwave 3 part article with practical advice
If you have any articles or advice to add, please email Tom Bragg