The contractors install the dryvit siding over plywood osb substrate or existing siding.
Dryvit siding problems.
The cement must have a clean surface to successfully adhere to.
Leaky cladding is a symptom and you need to fix the actual problem.
I have been applying dryvit for over 20 years successfully be sure to have an approved applicator do the work if you are going to put dryvit over wood you need to first apply a moisture barrier like stucco wrap.
It also seals moisture in and if water infiltrates beyond it usually through faulty or failed caulking improperly flashed window chimneys and other joints it s trapped there slowing rotting the sheathing.
There is nothing wrong with the material.
Dryvit seals out moisture.
Dryvit siding works well with icf exteriors because the icf blocks have higher vulnerability to physical damage and uv radiation.
Something in the building envelope is usually the problem unless of course you have a burst pipe.
Dryvit has an applicator problem.
If you have leaks in the ceiling it may be the roofing but it may also be flashing or clogged gutters.
The moisture problems are mostly due to a design problem.
The original exterior insulation and finish system was what is known as a barrier system which means it was a weather barrier.
Eifs should not contact the ground or another surface where water accumulates.
Moisture damage is one of the biggest problems when it comes to synthetic stucco.
Treat your home the same way your doctor treats your medical ailments.
Always check after a windstorm as limbs may dent or pierce the siding.