How To & Repair : How to Replace Shingles How To Replace Shingles Wall
Quote from How to Replace Shingles :
In hot weather, cool shingles with a water hose to allow easy separation of the shingle tabs. In cold weather, avoid excessive bending of the shingles as it could cause cracking. If you are not sure about anything, don't take the risk, please consult with roofing professional. Remove the underlay paper with the shovel. Flatten anynail left behind with a roofing hatchet or hammer. Clear away all debris from the surface of the roof. It's not necessary to remove flashing at pipes, vents or the edges of the roof unless they are damaged. Replace damaged flashing or roof edge before proceeding. Well, now you know the steps how to replace shingles.