Apply roof cap shingles along the peak of the roof overlapping the shingles on each side of the peak.
How to put a second layer of shingles on a roof.
Roofing second layer of shingles roofing.
Attach with nails along the top edge of the strip.
Cut the final roof cap shingle in half trimming off the unfinished side of the shingle.
A complex roof is aesthetically very appealing and it would be somewhat of a waste to do a layover since the second layer of shingles won t lay flat won t look the same as the first layer and will be more prone to curling peeling and blow offs all of which will make your roof look less nice.
Apply one nail in each side of each roof cap shingle.
Apply the final shingle with two nails through the finished surface.