Yes but not just "rolled roofing" you buy at home cheapo. That stuff is
like shingles just bigger. One kind of roof that comes in rolls but is
good for flat roofs is called "Modified Bitumen Torch Down" such as
http://www.certainteed.com/NR/rdonly...andSTAPlus.pdf
^^ Just one of several vendors of torch down systems for flat roofs.
here is a good article on flat roof options...
http://www.thisoldhouse.com/toh/know...110914,00.html