See the article at http://articles.sfgate.com/2007-06-25/bay-area/17249021_1_wooden-ladders-aluminum-or-fiberglass-san-francisco-s-fire-shop http://articles.sfg

See the article at http://articles.sfgate.com/2007-06-25/bay-area/17249021_1_wooden-ladders-aluminum-or-fiberglass-san-francisco-s-fire-shop http://articles.sfgate.com/2007-06-25/bay-area/17249021_1_wo... - They don't conduct electricity like aluminum or wet fiberglass ladders do....Aluminum or fiberglass, when it gets too hot, it gets soft; it will actually fold over without any warning."