Moldnose.com - Mold Assessment
Moisture Problem Checklist
Interior:
- [ ] Mold/mildew/stains on surfaces (e.g. walls, ceiling)
- [ ] Room/type and location:
- [ ] In bedroom closets:
- [ ] Mold/mildew on clothing
- [ ] Behind furniture (poor air circulation)
- [ ] Mold/mildew/staining on ceiling below attic insulation voids
- [ ] Mold/mildew/dampness in carpet
- [ ] Mold/mildew/staining on window frames
- [ ] Mold in furnace humidifier water tray (potential major health problem)
- [ ] Musty or damp odor
- [ ] Condensation on window glass/frames:
- [ ] Almost none
- [ ] Only on very cold winter days
- [ ] Often throughout the winter
- [ ] Often during the fall and spring
- [ ] Only on a few windows
- [ ] On most windows
- [ ] Water sometimes runs down onto sill
- [ ] Water often runs down onto sill
- [ ] Sill condensation damage (staining, rot):
- [ ] Minor damage
- [ ] Major damage
- [ ] Sweaty pipes (notes location and season)
- [ ] Basement dampness and leakage
- [ ] Efflorescence (white powdery substance), mold and /or dampness on foundation walls
- [ ] Other (describe)
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Exterior:
- [ ] Evidence of splash back (explain)
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__________________________________________________________ - [ ] Attic condensation and/or frost
- [ ] Water stains on roof sheathing
- [ ] Attic nail halos (dark rust stains around nails) - long term chronic moisture
- [ ] Attic bypasses/air leaks (including dark stains of insulation or moist insulation)
- [ ] Roof leaks; ice dams
- [ ] Blistering/peeling paint (note side of house)
- [ ] Buckled siding (note type and location)
- [ ] Crawl space mold/mildew
- [ ] Wood member moisture content greater than 30%
- [ ] Other (describe)
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Potential Moisture Sources
- [ ] Unvented space heater (e.g. kerosene, propane, or gas heater)
- [ ] Humidifier:
- [ ] Portable
- [ ] Furnace
- Used during heating season:
- [ ] Almost always
- [ ] Sometimes
- [ ] Seldom
- [ ] Clothes dryer vented indoors; loads of wash per week:_________
- [ ] Plugged dryer vent (look from outside)
- [ ] Clothes dried indoors
- [ ] Firewood stored indoors, including basement
- [ ] Crawl space without ground cover
- [ ] Poor grading-water ponds/puddles near house or water drains toward house
- [ ] Basement flooding
- [ ] Open concrete block cores in basement walls
- [ ] Liquid water seepage through foundation walls
- [ ] Open sump pump hole
- [ ] Exposed dirt/hole through basement concrete floor
- [ ] Gutter downspout not connected to sewer or suitable drain (ineffective)
- [ ] No gutters
- [ ] Plumbing leaks
- [ ] Poorly caulked tub or shower enclosure grout
- [ ] Cooking without lids
- [ ] Cooking without using kitchen exhaust fan
- [ ] Gas stove:
- [ ] used for cooking
- [ ] used for space heating
- [ ] Forced air heating system return duct leakage
- [ ] Kitchen or bathroom fan(s) exhausting into attic (not to outside)
- [ ] Aquariums
- [ ] Recent remodeling or construction
Recommended Moisture Control Strategies
- [ ] Indoor moisture source control
- [ ] Discontinue use of non-vented space heater, including oven for space heating (major source of indoor air pollutants)
- [ ] Vent clothes dryer outside
- [ ] Clear plugged dryer vent
- [ ] Dry clothes outside
- [ ] Store firewood outside
- [ ] Cover aquariums
- [ ] Discontinue use of humidifier or vaporizer, especially in spring, summer, and fall when not needed
- [ ] Install crawl space ground cover
- [ ] Improve grading so that water drains away from house
- [ ] Install gutters
- [ ] Improve existing gutter drainage (low cost option is to add 8-10 foot downspout the gutter water flow away from the foundation)
- [ ] Damp proof basement
- [ ] Seal/caulk basement cracks
- [ ] Cover/seal sump pump opening
- [ ] Cover/seal exposed dirt in basement concrete floor hole
- [ ] Seal forced air return duct leaks with mastic (NOT duct tape)
- [ ] Seal attic bypasses and other air leaks into attic
- [ ] Eliminate attic insulation voids
- [ ] Educate occupants regarding need to increase use of ventilation systems
- [ ] Install bathroom fan automatic control:
- [ ] timer
- [ ] dehumidistat
- [ ] Clean/vacuum dirty/clogged exhaust fan blades/filters that constrict air flow
- [ ] Install bathroom exhaust fan: quiet, 80 cfm minimum rated capacity
- [ ] Dehumidifier (40 pints/day min.)
- [ ] Improve closet air circulation
- Leave doors open or install louvered doors
- Heat closet (defrost control leave light on)
- [ ] Clean mold from furnace humidifier water tray
- [ ] Other (describe)
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