Dig up the old concrete floor install a new damp proof membrane and lap up edges before replacing the concrete slab.
Damp in conservatory floor.
Fully isolate the dampness in the floor using a surface damp proof membrane dpm damp proofing concrete floors above ground damp proofing for extensions.
Tape a small square of clear plastic to the floor using painter s tape.
Problems with damp floors can be tricky to deal with whether in old buildings or new ones.
Here we tank a concrete floor that has no physical damp proof course.
Apply damping agent for existing concrete floor.
This is a costly and time consuming exercise.
We live in a brick house built in 1951.
New conservatory damp coming up through concrete screed.
Our conservatory was built onto the kitchen7 yrs ago and has a set of patio doors which separates both rooms.
When faced with damp in concrete floors there are two options available.
Before you seal your floor check to see how damp it is.
Using traditional methods when the physical damp proof membrane is faulty or entirely missing the whole floor has to be replaced as identifying the exact location of the defect can be difficult.
In this method damping agent such as liquid epoxy damp proof membrane is applied for an existing concrete floor system.
After 24 hours check the plastic to see if water has condensed.
Tanking the floor is a great solution that is cheap and will prevent any dampness from.
We have in the past week redecorated the inner dwarf walls of the conservatory and after very heavy rain we noticed the next day what looked like damp patches around the walls mainly in the middle this has never happened before.