If possible go with a plumber that lists slab leak detection or repair directly on their website indicating that they have experience.
Concrete wall leak detectors.
The closed cells of the foam make it waterproof against further moisture problems.
The klein tools et140 is designed to detect hidden moisture non invasively up to 3 4 of an inch 19 mm deep using pinless electromagnetic field emf technology equipped with a mode button to select between materials.
Masonry drywall hardwood and softwood.
Using a thermal imaging camera and under the right circumstances it s possible to find hidden water and moisture issues without resorting to destructive testing.
There are many sources of building moisture including humidity during any season.
Expect to pay around 65 per hour or a set price based on the specific job.
Cut a hole in the wall large enough for your head to fit inside.
In this way most surveys conclude with a 100 positive leak location with minimal damage.
Water stains that run downwards from the basement ceiling require the services of a professional plumber who can easily detect a water leak under concrete or above it as the case might be.
It s not only the concrete paths and patios that you need to look for since many homes have concrete walled basements.
If the the leak is coming from behind drywall the next step is to drill a 1 inch test hole and find the exact source with an inspection camera.
Reinforcing rods installed into concrete walls are potential sources of leaks.
Patch up the edges of the repair board to level off with the entire wall and finish with a matching paint.
Therm app th is an ideal thermal imaging device for all home inspection applications.
After you have restored the pipe and you are certain that the leak has been repaired there are a few more things to do.
Use a utility knife to score a line about 10 inches 25 cm long into your drywall at the location where you see visible signs of a water leak mold discolored drywall etc.
Water leaks and moisture infiltration can cause serious damage to a house or building and can be difficult to detect until it s already too late.
Most slab leaks can only be fixed by breaking concrete so look for general contractors that specialize in remedial plumbing.
Polyurethane foam can seal concrete leaks if the leak is large enough to be filled with the foam.
Then using a drywall saw cut along the line you just scored.
Polyurethane foam is a closed cell foam compound that expands and hardens making it ideal for fixing concrete problems.
If the wall is concrete the procedure will be the same although the materials may be different.
The survey starts with an inspection using thermal imaging and a moisture meter.