Basement Waterproofing and Crawl Space Repair in Triangle, VA

December 28, 2021 | Triangle, VA

Basement mold treatment and encapsulation -Musty odors in home due to open crawlspace and unconditioned basement area. Concerns about health in home. Remove all debris from rear crawlspace and dispose, including insulation in crawlspace and basement. Install 12 mil reinforced liner on floor of space. Install Borafoam termite resistant board on exterior walls up to sill plate. Seal all seams. To stop airflow into space apply 2 inches of closed cell foam to exterior rim joist in basement and crawlspace. Treat all surfaces with broad spectrum biocide. Customer will need to be out of home during and up to one hour after treatment. Condition spaces with small passive supply grilles. Seal all vents into space. To keep space dry install SantaFe 90 dehumidifier with condensate pump, in crawl space. Duct through CMU wall into main basement with passive grille. Install french drain in rear of home from CMU patio on right to left side of home where wood steps enter rear yard. Tie into existing downspout extension. Demo remaining concrete stoop and dispose.

April 30, 2021 | Triangle, VA

Complaints about cold floors and general condition of space. Ground moisture issues only. Excessive debris needs to be removed. The following is recommended based upon the updated building code. Remove all debris and insulation. Leave existing liner in place as it is acting as a seal for the radon removal. Install Crawlshield 16 mil reinforced liner on all floors of space up 6 inches on walls. Wrap all columns. Insulate CMU walls with Borafoam termite resistant foam board up to 2 inches from sill plate. To stop airflow into space apply 2 inches of closed cell foam to entire rim joist, R13. Seal all crawlspace vents. To partially condition space install two inducers in supply trunk in both spaces. Seal and insulate hatch to crawlspace and install new barrel latch. For exposed cast iron tub apply 2 inches of foam to underside of tub surface. Remove old condenser from space and dispose of properly.