There are some types of significant roofing repair that would definitely not be something that could be accomplished by a person that had no knowledge of roofing and so for more significant types of damage, it would be best to call roofing contractors, but there are a few things that a home owner might be able to accomplish on his own if he does the right research on the topic and makes sure to follow the instructions to the letter. For example, although it is labor intensive, home owners can often work successfully with thatched roofs.