Hi all. It's a long post in which i give as much info and plans as possible.
SITUATION
I'm beginning the downstairs renovation of my 1959 chalet bungalow.
It's cavity brickwork, insulated, rendered outside with concrete floors.
Removed the skirtings in the WC and study(was bathroom approx 10 years ago) Skirtings had woodworm, fell apart and had signs of damp in them. They were fixed with cut nails that were virtually non existent with rust.
After a bit of excavation i could see that the internal walls are built off of the oversite with no dpc. All walls are sand/cemented and plastered down to the oversite, bridging the dpc on the external walls. the floor was then screeded.
The floors are all bitumen/lino tile covered. there is evidence of moisture between carpet tiles and original tiles in the old bathroom.
There was moisture visible between self adhesive tiles and original tiles in the WC, which at the time of lifting, i put down to my family wetting the floor whilst hand washing etc.
There are no concealed pipes in either room. All surface mount with no leaks.
There is no evidence of a dpm in the floors of these rooms although my lounge had one which i found when rearranging a door/window combination. DPMs weren't reg until 1965 so the bitumen covered floors took care of that to a large degree.
I've borrowed a two pronged moisture meter. Readings of 0%-2% high up. 10%-20% just above dpc and 20%-36% on the screed.
Meter looks rubbish and probably is!
PLAN
Remove the screed surface to remove bitumen.
Remove sand/cement and plaster up to approx 700mm.
Inject cream dpc into mortar course one brick above original dpc inc internal walls.
Cover floor areas with 2 part epoxy dpm
2 coat sinthaprufe bare walls (2nd with sand key), lapping epoxy.
Water proof render on sinthaprufe and skim plaster.
Latex slc on floors.
After a bit of research that is the plan I've come up with. Digging up is not an option really as we've got to live here.
Any thoughts, ideas and comments will be gratefully received.
Cheers. Nick.
SITUATION
I'm beginning the downstairs renovation of my 1959 chalet bungalow.
It's cavity brickwork, insulated, rendered outside with concrete floors.
Removed the skirtings in the WC and study(was bathroom approx 10 years ago) Skirtings had woodworm, fell apart and had signs of damp in them. They were fixed with cut nails that were virtually non existent with rust.
After a bit of excavation i could see that the internal walls are built off of the oversite with no dpc. All walls are sand/cemented and plastered down to the oversite, bridging the dpc on the external walls. the floor was then screeded.
The floors are all bitumen/lino tile covered. there is evidence of moisture between carpet tiles and original tiles in the old bathroom.
There was moisture visible between self adhesive tiles and original tiles in the WC, which at the time of lifting, i put down to my family wetting the floor whilst hand washing etc.
There are no concealed pipes in either room. All surface mount with no leaks.
There is no evidence of a dpm in the floors of these rooms although my lounge had one which i found when rearranging a door/window combination. DPMs weren't reg until 1965 so the bitumen covered floors took care of that to a large degree.
I've borrowed a two pronged moisture meter. Readings of 0%-2% high up. 10%-20% just above dpc and 20%-36% on the screed.
Meter looks rubbish and probably is!
PLAN
Remove the screed surface to remove bitumen.
Remove sand/cement and plaster up to approx 700mm.
Inject cream dpc into mortar course one brick above original dpc inc internal walls.
Cover floor areas with 2 part epoxy dpm
2 coat sinthaprufe bare walls (2nd with sand key), lapping epoxy.
Water proof render on sinthaprufe and skim plaster.
Latex slc on floors.
After a bit of research that is the plan I've come up with. Digging up is not an option really as we've got to live here.
Any thoughts, ideas and comments will be gratefully received.
Cheers. Nick.
