standing seam metal. tile roof repair. shingles are not laying flat to the roof due to nails not being flush to the shingles below this condition allows wind driven rain to possibly penetrate . hand nail shingles. mercial flat roof services icc roofing pany kc. small gaps at the top of the plywood will be fixed with the shingles. fixing roof leaking gray shingles chipping shingles power pole repairing roofing base: full size .