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Annexe Insulation - Solid Ragstone

Posted: Fri May 27, 2022 1:15 pm
by stocks1j

Around 2 years back I purchased an old approx. 1830's cottage which has an annexe built in the garden, previously used as a BnB. The annexe as I understand was built in the late 70's / early 80's to fit in with the existing cottage it was built using Kentish Ragstone without any cavity.
I have no idea how the annexe was used as a BnB, as in winter the walls are freezing to the touch and it doesn't hold any heat whatsoever. I plan on fitting some insulation as a DIY job, my first thoughts were to install some timber studs along the wall and then installing insulated wall panels.
My question was around damp, I have no issues installing as I have renovated two previous homes, but have no previous knowledge on insulation. Would this make the walls susceptible to dampness in the room / is there another technique which would be a beet approach.

Thanks in advance!


Re: Annexe Insulation - Solid Ragstone

Posted: Wed Jun 01, 2022 10:38 pm
by stoneyboy
Hi stocks1j,
You will have to stop any warm damp air getting into the insulation by fitting a continuous DPM to walls, floors and if there is no ventilated space above, on the ceiling too.
Regards S

Re: Annexe Insulation - Solid Ragstone

Posted: Thu Jun 02, 2022 9:28 am
by stocks1j
Thanks for your response i will look into that!