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A bit of a spinoff from my other thread. I am replacing a back galley kitchen in a 1900 terrace house due to damp over a decade having stained the back of 2 base units. Date is approx 1960-1970 (based on different bricks from house and knowing when my local council did grants), so probably a mix of solid wall and cavity. The plan is to strip out the kitchen, and do some protection against what I expect to be rising damp ni the walls. I can see 2 options: 1 - Strip plaster at bottom and Inject DPC. 2 - Do not strip plaster, and attempt to seal with eg "Damp Seal". My inclination is to do both 1 and 2, but I will not have the option of leaving the walls exposed inside for more than 24 hours to dry out as it has tenants in situ. I get a clear week to work but more will be awkward. Potential problems: 1 - One wall is external, one is party. Are there difficulties injectnig a DPC into a party wall? Do I need to do a PWA notice etc? 2 - I would like to insulate the external wall as much as is practical, but what is the method? I reckon I can lose only perhaps 25-30mm off the kitchen width, and I really don't want to take it all back to brick even on one side. Can I bond PIR or PUR backed plasterboard directly to the existing plaster? Any comments are welcome. Ferdinand (Aside: may be off line for a bit due to antipodean holiday, or may check in if the marsupials are boring).
