Crawlspaces

Common Problems:

• Lack of cross-ventilation

• Insufficient ventilation openings in surrounding walls

• Inadequate clearance between earth and wood components

• Water entry into Crawlspace

• Lack of code-required access to Crawlspace

• Exterior grade slopes toward the building

Resultant Damage:

• Mildew, mold and high ambient moisture due to lack of ventilation

• Wood rot and structural damage

• Ponding against building

• Water through foundation wall

• Water in Crawlspace

Proper Design:

• Provide proper clearances between earth and wood components per the Uniform Building Code (UBC), Chapter 25

• Provide adequate ventilation openings per UBC, Chapter 25

• Slope grade away from building

• Provide cross ventilation per UBC, Chapter 25

• Provide Crawlspace access per UBC, Chapter 25

Information provided by Building Analysts, a full-service architectural and engineering firm with many years of experience in construction litigation. Their services include: architectural and structural investigations, repair recommendations, preparation of exhibits and expert testimony. Contact Building Analysts Toll Free at: (800) 352-1497.