Signs that your roof may need repair or replacement include missing or damaged shingles, leaks, water stains on ceilings or walls, sagging areas, and excessive granule loss from shingles. It's also a good idea to have your roof inspected regularly by a professional to catch any issues early.

There are several types of roofing materials available, including asphalt shingles, metal roofing, wood shakes or shingles, slate, clay or concrete tiles, and synthetic roofing materials. Each type has its own advantages and considerations, such as durability, cost, and aesthetics.

The duration of a roof installation or replacement project depends on various factors, including the size and complexity of the roof, the weather conditions, and the availability of materials. On average, a roof installation can take anywhere from a few days to a couple of weeks to complete.

The lifespan of a roof varies depending on the type of material used, the quality of installation, and the local climate conditions. Asphalt shingle roofs typically last around 20 to 30 years, while metal roofs can last 40 years or more. Proper maintenance can also extend the lifespan of your roof.

It's recommended to have your roof inspected at least once a year, preferably in the spring or fall. Additionally, you should schedule a roof inspection after severe weather events, such as hailstorms or high winds, to check for any damage.

While it's possible to perform minor roof repairs yourself, such as replacing a few missing shingles or sealing small leaks, more extensive repairs should be left to professionals. Working on a roof can be dangerous, and improper repairs can lead to further damage or safety hazards.