How much do roof shingles weigh per square?

Roof shingles typically weigh between 200 to 400 pounds per square, depending on the type and material. Asphalt shingles generally weigh around 200 to 250 pounds per square, while heavier materials like slate or tile can weigh upwards of 400 pounds per square. It's important to check the specifications of the specific shingle brand and type for precise weight information.