You are reading a single comment by @Bobbo and its replies.
Click here to read the full conversation.
-
The examples you use to my mind are an example of why there should be intervention in the construction industry to make it a well regulated, licensed profession. Not the current set up where it's easy to hide a lack of competence and knowledge with a brass neck while merrily ripping customers off selling inappropriate solutions and products.
There is no reason to not retrofit insulation into an old property. It will never be as effective as insulation in a modern property that has been designed from the outset to be well insulated but if it is specified and fitted correctly by people who know what they're doing it can drastically improve the energy performance of a building.
Bobbo
You have to be careful with retrofitting insulation to any property really, nothing is risk free.
Grenfell being a worst case scenario
Other dumb things like filling wall cavities (30s housing) with spray insulation that then allows damp bridging, filling the roof void with spray on insulation that then prevents any form of maintenance, fitting external insulation that prevents brickwork from drying out.
All this stuff those Insulate Britain clowns pretend isn't a thing