Roofing, a $30 billion-a-year business, accounts for 70% of litigation costs in new construction, according to the Center for the Advancement of Roofing Excellence, a manufacturer-supported, not-for-profit educational institute.

CARE convened experts to identify the top 10 problems in roof installation and maintenance. The resulting compact disc, Avoiding Common Roof Installation Mistakes, also instructs users how to prevent common mistakes in the first place. Call 866/ 671-2273 to obtain the CD.

Most Common Roofing Issues
1. Improper storage of materials
2. Improper night seals
3. Improper priming of metal
4. Inadequate odor/fume control
5. Debris getting into roofing systems
6. Improperly executed details
7. Ponding of water in system
8. Foot traffic on membrane
9. Incompatible materials
10. Back water lap