one side of the roof is done! it was kind of hard to work up on the roof at an angle, but he managed, using ladders and a scaffold rob used to put . to speed production, shingles are sorted into piles spaced 3 or 4. you have now successfully replaced your missing shingle tab, put nails in all the right areas, and hand sealed the shingles down. diy roofing tips. img_20150314_140416jpg2611x1958 221 mb. roofing with cedar shingles – beauty \u0026 art of wave-coursed roof. before photo with comp shingle roof.