A roof-over is when there is another layer of shingles put on top of the original layer, meant to strengthen the roof. Many homeowners will choose this option over a roof replacement because of the cost. There are several ways to tell if a house has had a roof-over. One way to tell is that the roof will look a little lumpy overall instead of flat like a normal roof. Another way to tell is to get up on a latter and examine the edge of the roof for multiple layers of shingles. Although the roof-over is more cost effective, it does not last as long as a roof replacement. It is important to know if a house has had a roof-over, especially for construction workers and anyone in the market to buy a house.
Read the full article here: