January 4, 1999
How to keep your basement or crawl space dry
from HouseMasters of America Home Inspection Service
During the rainy season, homeowners with basements often find they have an unexpected intruder--water in sub-grade areas of the structure or crawl spaces.
Thirty-two percent of homes over 15 years of age with basements experience some type of basement water penetration in the wet months of the year. The frequency of water penetration in crawl spaces in the Northwest is even higher.
The following actions by homeowners can help prevent or minimize these conditions:
For more information, call (800) 995-4063.
- Clear gutters and downspouts.
- Install splash blocks under the downspouts to direct water away from foundation.
- To remove moisture, keep all foundation vents open all year except for a period of below- freezing conditions.
- Check the basement window wells for any leakage that will allow water inside.
- Make sure that all of the basement drains work properly.
- Check the joint between the wall and the basement floor for seepage.
- Replace missing chimney caps to prevent rain from reaching the basement.
- Cover any areas of exposed ground with a moisture barrier of heavy-duty plastic sheets.
- Repair missing or damaged mortar in the foundation.
- Be sure that the ground all around the house slopes away from the foundation.