kylelnsn

Its an abandoned project, started in the 90's but never got finished, at the time they didn't fill the cavities. So the ground floor has no insulation. Only partially filled as standard on the front face. The building looks good otherwise, as you say DPC is inplace, openings are good, and the roof that was added last year is really nicely put together, and over specced timberwise. I will see who locally does injection and go from there I guess! Im still worried about damp though

I always have an image of drilling a hole somewhere, or fitting more windows etc in the future and the cavity slowly emptying before my eyes! ?As well as the horror stories I read online about them creating damp etc. Its a standard cavity, so around 100mm inside skin, 100mm cavity and 100mm outside skin. We loosely looked at 75-100mm to fit the outside. I presume we would ventilate to the outside... using weep vents I guess?!

Hi all, Long time lurker here, dipping my toe in the water. We are currently looking to take on a property that is partially constructed. At present the cavity wall is is uninsulated. I am a little hesitant to fill it with beads etc retrofit wise, and currently planning EWI (External Wall Insulation) as the primary insulation method... I have a few queries on this; Are we going to create any future issues by doing this? Is there anything we need to manage by doing this? What thickness of insulation would we have to add to the exterior to meet building regs? What thickness is the norm? Are we missing a better alternative? I am totally open to all options, and interested to see others thoughts on this.