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Several factors influence these price ranges. One primary factor is the type of shingle selected. Basic three-tab shingles are less expensive due to their simple design and shorter lifespan, generally lasting 15 to 20 years. In contrast, architectural shingles are thicker, provide better protection, and can last 25 to 30 years, justifying their higher cost.
asphalt roof shingles cost per square

Moreover, roof features such as valleys, ridges, and hips also contribute to the shingle estimate. Valleys, where two roof planes meet, typically require additional shingles to ensure effective water runoff. Similarly, hips, where two roof slopes meet, and ridges, the highest points of the roof, also require special attention in estimation due to the need for extra materials to cover these areas adequately.
shingle estimate
