Potentially stupid question.............................can you add a secondary 'cavity' wall to a single elevation of a solid wall constructed house.
I ask as the rear of my house is really exposed to the elements and I get water ingress even though I've had the house re-rendered and it's driving me insane !!!
I ask as the rear of my house is really exposed to the elements and I get water ingress even though I've had the house re-rendered and it's driving me insane !!!