Roll roofing is the perfect material choice for the DIYer interested in tackling small roofing projects -- like a shed or porch roof that has a slight sloped roof or a flat roof. I'm a true DIYer when it comes to house projects and I've learned a thing or two that could help with your DIY project. Here are my easy to follow step-by-step instructions for DIY rolled roofing installation.Roll roofing is the perfect material choice for the DIYer interested in tackling small roofing projects -- like a shed or porch roof that has a slight sloped roof or a flat roof. I'm a true DIYer when it comes to house projects and I've learned a thing or two that could help with your DIY project. Here are my easy to follow step-by-step instructions for DIY rolled roofing installation.