An exterior wall must be placed on the outside edge of the slab so the exterior siding laps down and over the edge of the slab.
How to waterproof concrete slab against wood wall.
You can also caulk between the top of the sill plate and the.
All the wood materials that are going to be behind the concrete should be pressure treated lumber and properly flashed behind the concrete with metal flashings that will last forever these metal flashings should be over a foundation grade rubber membrane.
Plumbing supply places will sell you these in nice lengths.
Apply a bead of caulk along the inside perimeter where the sill plate meets the concrete slab if desired for additional air sealing.
Damtite waterproofing might be the best choice for you.
The best way is to have the slab end about one hundred mm 4 inches back from the wood and bridge this gap for a walking surface with a metal grill like you get over a drain.
Well of course the best solution is to remove all the concrete and start over.
It can be of great use in both indoors and outdoors.
That way your pest manager can both inspect simply and easily re apply chemical without drilling the slab.
Are you thinking of protecting your white colored concrete walls.