Tom wrote:
Hi

Due to wife expecting our second child next year I am looking to convert
part of my detached garage into an office, it is brick built with a flat
roof and concrete floor a window will also be added. I intend to insulate
all walls by using a timber frame and then putting plasterboard over it, i
will also be insulating the dividing stud wall along with ceiling and floor.

The new room size will be 3m x 3.3m and i think i will need approximately
48m sq of insulation,. What type do you think i should use?

Is it ok to use Chipboard for the flooring?, this will be on a timber frame
on top of a DPM. I would also like to line the walls with chipboard over a
DPM to give even betting insulation before creating a timber frame, is this
a good idea?

Thank you in advance for your comment & opinions.

Thanks
Tom

if its for habitation, you'll want insulation in your new wall cavity
and also under the floor.

NT