Don Vandervort, Head Homeboy, has written more than 30 DIY home improvement books, been a segment host on HGTV, served as MSN.com's home improvement expert and written countless magazine articles.
Although gambrel roofs are tougher to frame than a gable roof, they provide much more space for storage or even a loft. The roof is essentially gable-style, but instead of only one slope on each side it has two, which is what contributes to the extra headroom.