The easiest type of roof to build is a shed-style or lean-to roof, which features a single sloping plane from one side of the building to the other. Unlike a gable roof with two sides meeting in the middle, a shed roof's single slope makes the construction process more straightforward. The rafters are typically single pieces of wood that span the distance, often without the need for additional supports.

Architectural shingles typically last between 20 and 30 years. While some manufacturers provide warranties for 30 to 50 years, particularly for extreme weather, achieving such a long lifespan is uncommon. The actual life of your shingles can be shorter if you live in an area prone to strong winds, hailstorms, or other severe weather. To avoid the risk of roof failure and costly water damage from leaks, it is recommended to replace your roof before it reaches the end of its expected life. Scheduling regular roof inspections every few years is a good way to assess your roof's condition and determine the best timeline for replacement.

Whether replacing the entire roof or just installing roof shingle replacements in small areas, always pull up the old roof shingles. While you can technically put new roof shingles (but not other roof materials) over old shingles, this can add weight strain to the roof and prevent the new shingles from securing properly to the roof.

The easiest way to tell if your roof vent boot is leaking is to look in your attic for signs of water damage. You might see visible moisture, water spots, or mold on the roof decking around the roof vent or damaged or soggy insulation below it. If you don’t have access to your attic or aren’t sure if the vent boot is the issue, hire a professional to come inspect your roof and figure out the underlying issue.