Mold Remediation >> Toxic Mold Symptoms

Cleanup Recommendations for Specific Situations Surface mold due to condensation – less than 10 square feet Examples - bathroom ceiling, exterior wall in a closet, exterior wall behind furniture, boxes, shelving Correct the problem that caused condensation. Wash the mold area with soapy water Toxic Mold Symptoms and rinse thoroughly.  

Allow the surface to completely dry. Repaint if needed; superficial discoloration may remain. If the mold has penetrated below the surface (as on gypsum board) remove involved material Toxic Mold Symptoms and approximately one foot of uninvolved board in all directions. A general rule is to remove the gypsum board from one stud cavity on each side of the area that has mold growth and one foot above and below the area that has mold.  

Personal protective equipment (PPE): N95 mask, rubber gloves and eye protection. No containment is necessary Mold in a wall cavity – less than 10 square feet Examples - under a window due to window leak; in a ceiling or wall due to a roof leak; Toxic Mold Symptoms in a bathroom wall due to a leaking pipe. Turn off the air handler (furnace or air conditioner) supplying the work area.  

Determine the extent of the area that has mold growth before proceeding with this set of guidelines. This can sometimes be done by removing the baseboard and Toxic Mold Symptoms checking the bottom plate or cutting small holes in the gypsum board behind the baseboard. A hole saw can be used to cut inspection holes that are easily repaired.  

Remove the contaminated gypsum board and approximately one foot of uninvolved board in all directions. A general rule is to remove the gypsum board from one stud cavity on each side of the area that has mold growth and one foot above Toxic Mold Symptoms and below the area that has mold. Vacuum while cutting the gypsum board using a HEPA vacuum or a vacuum with a high efficiency collection bag and vent the vacuum to the outside.  

Vacuum all moldy surfaces thoroughly. Vacuum surfaces before damp wiping or Toxic Mold Symptoms scrubbing. Damp wipe all surfaces with disposable wipes. If after vacuuming, mold growth is present, scrub the surface using soapy water and thoroughly rinse. Allow the wood framing to thoroughly dry before installing new gypsum board. 

This will usually mean returning at least a day later, or longer. Measure the moisture content with a moisture meter. Wooden materials should be less than 15 per cent moisture content by weight Toxic Mold Symptoms and concrete should be less than 4 per cent moisture content by weight. Drying can be accelerated by using heat lamps and a dehumidifier. 

Do not use fans blowing against the wall surfaces.  You are done when all visible mold is removed Toxic Mold Symptoms and no dust is present (the white glove test). PPE – N95 mask, rubber gloves, eye protection. All contaminated material should be placed in plastic bags at least 6 mil in thickness, double bagged and disposed of as regular trash.  

Containment – although not required by the NYC Dept. of Health Guidelines, the use of an exhaust fan is recommended. This could be a bathroom fan ducted to the outside Toxic Mold Symptoms or a vacuum cleaner located outside that has its vacuum hose entering through a window. To do this, use a piece of sheathing that is the width of the window opening and several inches higher than the diameter of the vacuum hose. 

Use a hole saw to cut a hole in the sheathing into which the vacuum hose can be inserted. Medium size areas of mold involvement in wall cavities – 10 to 30 square feet (one 4’ x 8’ sheet of gypsum board ) Examples:  Toxic Mold Symptoms window or roof leaks; slow bathroom plumbing leak Turn off air handler (furnace or air conditioner) supplying work area.  

Work area should be unoccupied. Erect a containment barrier using plastic sheeting to isolate the work area from the rest of the house. Exhaust the work area with a fan ducted to the outside or, Toxic Mold Symptoms alternatively, pressurize the area outside the work area. Determine the extent of the area that has mold growth before proceeding with this set of guidelines. 

This can sometimes be done by removing the baseboard Toxic Mold Symptoms and checking the bottom plate or cutting small holes in the gypsum board behind the baseboard. A hole saw can be used to cut inspection holes that are easily repaired. Remove the contaminated gypsum board and approximately one foot of uninvolved board in all directions. 

A general rule is to remove the gypsum board from one stud cavity on each side of the area that has mold growth and Toxic Mold Symptoms one foot above and below the area that has mold. Vacuum while cutting the gypsum board using a HEPA vacuum or a vacuum with a high efficiency collection bag and vent the vacuum to the outside.  

Vacuum all moldy surfaces thoroughly. Vacuum surfaces before damp wiping or scrubbing. Damp wipe all surfaces with disposable wipes. Scrub any wood that has mold growth using soapy water and thoroughly rinse. Drying can be accelerated by using heat lamps Toxic Mold Symptoms and a dehumidifier. Do not use fans blowing against the wall surfaces.  

Allow the wood to thoroughly dry before installing new gypsum board. This will usually mean returning at least a day later, Toxic Mold Symptoms or longer. Measure the moisture content with a moisture meter. Wooden materials should be less than 15 per cent moisture content by weight and concrete should be less than 4 per cent moisture content by weight.  

You are done when all visible mold is removed and no dust is present (the white glove test). PPE – N95 mask, rubber gloves, eye protection. All contaminated material should be placed in plastic bags at least 6 mil in thickness, double bagged Toxic Mold Symptoms and disposed of as regular trash.

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