Insulation and Interior Inspection Section#2 Interior Quiz#6

This session covers wet basements and crawlspaces.

Objectives
At the end of this study session, you should be able to:

• List two sources of water in basements and crawlspaces.
• List three contributing factors to wet basements and crawlspaces.
• List six implications of basement and crawlspace problems.
• List twenty signs of moisture in basements and crawlspaces.
• List six corrective actions for wet basements.

• Question 1

  Needs Grading

  	Describe five corrective actions to wet basement problems. Try to arrange them in order of least expensive to most expensive.
  	Selected Answer: 1. Control surface water 2. Patch obvious flaws 3. An interior drainage system 4. Exterior excavation and adding or replacing perimeter drainage tile Correct Answer: 1. Control surface water ? grading, gutters downspouts, driveways, etc. 2. Patching flaws ? crack repairs, drainage layers 3. Interior drainage system ? trench around interior floor slab, with a sump pump 4. Exterior excavation and dampproofing ? very expensive, replace or add weeping tile Response Feedback: [None Given]

• Question 2

  Needs Grading

  	List six implications of wet basements.
  	Selected Answer: 1. Nuisance. Wet basement can damage storage and lead to uncomfortably high interior humidity levels 2. Damaged carpeting, wall covering and furnishings 3. Structural deterioration 4. Electrical shock or fire hazard 5. Damaged insulation Correct Answer:   1. Nuisance 2. Damaged interior finishes and furnishing 3. Odours and molds 4. Structural deterioration 5. Electrical shock or fire hazard 6. Damaged insulation Response Feedback: [None Given]

• Question 3

  Needs Grading

  	Most wet basement problems come from what two sources?
  	Selected Answer: 1. Surface water 90% 2. Ground water 10% Correct Answer:   1. Surface water from rain or snow 2. Groundwater Response Feedback: [None Given]

• Question 4

  Needs Grading

  	The most common complaint against home inspectors is what house problem?
  	Selected Answer: Dampness or water in basement Correct Answer:   Wet basements Response Feedback: [None Given]

• Question 5

  Needs Grading

  	There are at least 20 common signs that basements have been wet or are vulnerable to wetness problems. See how many you can list.
  	Selected Answer: [None Given] Correct Answer: 1. Water or dampness on walls or floor 2. Efflorescence on walls or floor 3. Rot, stains or water marks on walls, doors, windows, basement stairs 4. Rust at baseboard nails, carpet tack strips, columns, and appliances 5. Odours, mold, mildew 6. Rot 7. Loose floor tiles 8. Damaged basement storage 9. Storage off floor 10. Wall patches 11. Floor patches 12. Trough or trench around floor perimeter 13. Sump pumps operating continuously 14. Full sump 15. Two spare sump pumps 16. Auxiliary electric supply for pump 17. High water alarm on sump 18. Crumbling plaster, drywall or masonry 19. Peeling paint 20. Wall cracks with stains 21. Recent excavation 22. Evidence of drainage membrane 23. New dampproofing 24. Dehumidifier running constantly Response Feedback: [None Given]

• Question 6

  Needs Grading

  	What three contributing factors involving foundation depth and conditions outside the house can affect basement problems?
  	Selected Answer: 1. Soil type 2. Depth of foundation 3. Height of water table Correct Answer:   1. Soil type 2. Depth of foundation 3. Height of water table Response Feedback: [None Given]

• Question 7

  0 out of 0 points

  	Dehumidifiers are an effective way to correct wet basement problems.
  	Selected Answer:  False Answers: True  False Response Feedback: Good work