As the nicer weather returns, the home improvement plans of the do-it-yourself set bloom.

Before tackling a major project, however, make sure it is something within your skills and means. Most do-it-yourselfers find themselves in over their heads, according to the Massachusetts Board of Building Regulations and Standards.

Here are eight jobs that the Massachusetts Board of Building Regulations, building inspectors, and contractors advise are best left to the professionals.

Originally published 03/28/04.