What Causes Mold Around the House

1. Minor and Major Roof Leaks
2. Faulty or Missing Insulation
3. Ice and Snow Damming Problems
4. Improperly exhausted Dryer, Bathroom and Kitchen vents
5. Heaters and Furnaces in the attic
6. Condensation Effect during the cold season
7. Improper Ventilation or lack of it

1. Leaking plumbing pipes
2. Flooding (nature or plumbing caused)
3. Broken, clogged or sagged gutters or downspouts
4. Clogged/Faulty footer drains
5. Sump Pump failures
6. Sloping grounds/ groundwaters
7. Cracks in Foundation and Foundation Walls
8. Rain and Melting Snow from windows
9. Water Condensation on cold surfaces
10. Lots of materials mold loves to grow on
11. Dust and dirt accumulated with time
12. Poor Air Ventilation / Circulation

Click here to learn more about how you can remove mold from your basement.

1. Bare earth floor with porous soil near foundation
2. Missing or damaged Vapor Barrier
3. Groundwater due to high water tables
4. Rain and Flood water
5. Cracks in Foundation and Foundation Walls
6. Plumbing related problems
7. Faulty or missing Air Duct Insulation Materials
8. Poor Ventilation or Lack of it
9. Outdoor air getting into crawl space from outside
10. Water Evaporation leading to condensation
11. Exposed Plumbing Pipes and Joists

Click here to learn more about how you can remove mold from your crawl space.

1. Plumbing Problems (Leaks & Overflows)
2. Water Condensation on walls & ceiling
3. Water Evaporation
4. Frequently running water
5. Wet surfaces after showering
6. Wet surfaces from Hot Steam
7. Water Puddles on the floor and around sink
8. Broken toilet and bathtub seals
9. Poor Ventilation / Air Circulation
10. Failed grout and/or caulking between tiles

Read more on our guide on how to remove mold from the bathroom.

1. Water Leaks from Sink and Dishwasher
2. Plumbing Problems (Leaks & Overflows)
3. Water spills / Running tap water
4. Condensation on plumbing pipes
5. Steam from boiling water / cooking
6. Steam from Dishwasher
7. Plenty of food molds loves to grow on
8. Poor Ventilation / Air Circulation

Read more on our guide on how to remove mold from the kitchen.

1. Dust, dirt, debris and pet hair collected in the vent
2. Clogged air duct filters
3. Using basic fiberglass filters in houses with pets and other sources of micro-particles
4. Leaks around duct joints
5. Wetted fiberglass-lined ductwork surfaces
6. Damaged or missing air duct insulation
7. Damaged or missing foil vapor barrier
8. Condensation on metal parts of HVAC units
9. Improper use or absence of Drain Pans
10. Improper mixing of outside and inside air
11. Saturated air coming from air conditioner evaporator
12. Weak (slow) air flow coming out of the grill

Read more on our guide on how to remove mold from the air ducts.

1. The nearly constant presence of moisture
2. Rainwater running down the wall surface
3. Downspouts emptying next to the wall
4. Siding made of porous materials such as wood, stucco, etc
5. Vines and shrubs growing along the side of your house
6. Broken, clogged or sagged gutters or downspouts
7. Leaks and condensation from air conditioner drain lines
8. Incorrectly placed sprinklers system
9. Water wicking into the foundation from the sloping ground
10. Poor ventilation in tight areas along the walls
11. Abundance of organic materials mold loves to grow on