The lower level of this building has water intrusions from several soucres, the HVAC system was not used. This area was mainly used for storage. Upon entering the lower level, a strong musty smell associated with mold was apparent and had remained this way for an extended duration.
A leak from the upper level bathroom had affected the floor ceiling cavity, collapsed ceiling were evident in several rooms. All finished wall/ceiling coverings were removed. Ductwork and insulation was also removed.
The remaining salvagable building materials were dried to less than 12% MC. surfaces were HEPA vacuumed, scraped/sanded, HEPA vacuumed again and wiped down with a disinfectant cleaner. All non-pressure treated wood had fosters anti-microbial encapsulant coating applied. All electrical wires were terminated with wire nuts after electrical fixtures were removed.
The building had previously been waterproofed. The sealant had deteriorated and failed -- This was allowing water to infiltrate through the cinder block into the conditioned area. Our crew dug trenches along three of the four exterior walls, cleaned the debris and dirt off the walls, applied a waterproofing sealant, and lastly, filled the trenches back in.
The Indoor Environmental Management team cleaned and disinfected the entire wood floor system in the crawlspace. The original crawlspace access door and sump pump were also replaced. A proper vapor barrier was installed with complete coverage of the crawlspace soil floor, with no exposed gaps, up the foundation walls, and wrapped around all support piers. A Sanidry CX was also installed with discharge lines to the exterior of the residence.
The IEM crew built a retaining wall along the edge of the downhill slope on the side of the house. Behind the wall, they installed french drains and used membrane to keep water from seeping through the wall.
This homeowner in Tallahassee was having serious issues with mold growing in their crawl space. Not only can excessive mold hurt your property's value, a moldy crawl space environment can put your family's health at risk as well. The CleanSpace Vapor Barrier that our crew installed is made of completely inorganic materials and manufactured with an antimicrobial finish that will never support the growth of mold. The homeowner is now worry-free with a clean and healthy crawl space under their home.