Is it time to replace your current roof? Most people don’t think about replacing their roof until it’s too late and a leak has developed inside their home. If a leak has made itself visible inside the home, it likely has caused some additional damage to the roof deck itself as well as the drywall inside of the home. No one wants this to happen to their home. Before your current composite roof reaches the point of no return look for these signs that it might be time to consider a roof replacement.
First, take a moment and really look at the roof itself.
- Does your roof have multiple layers of material?
- Are any of the composite shingles starting to look old and worn?
- Are there any areas of the roof that appear to be sagging?
- Do any of the shingles look like they are curling at the edges?
- Are there any areas where there are low, or no, granules left on the shingles itself?
- Can you see the paper underlayment instead of the actual shingles?
- Are there any areas where there are loose or missing shingles?
Any and all of these are signs that it’s time to have someone come out and look at the roof for possible repairs or replacement.
All the precipitation that we have here in the winter and summer months wears on your roof. Take a moment and think back to when the current roof was installed on the home. If your roof was installed before the early 2000’s it might be time to have someone come and inspect the roof for a possible replacement.
CONTACT US TODAY AT 717-898-6000 FOR A FREE ASSESSMENT OF YOUR HOME’S ROOF. WE SERVICE THE AREAS OF LANCASTER, YORK, READING AND HARRISBURG.

What Central Pennsylvania property owners should consider
Knowing when it's time to replace your roof is best understood in the context of the whole property, not from one symptom alone. The age of the materials, previous repairs, water-management details, installation methods, and nearby exterior components can all affect what is visible. Central Pennsylvania’s mix of heavy rain, wind, summer heat, falling leaves, freeze-thaw cycles, and winter weather can also make the same concern look different from one home or building to another.
Start with observations that can be made safely. Avoid climbing onto the roof or disturbing damaged materials. Instead, note when the concern appeared, whether it changes during particular weather, and whether it is isolated or occurring in several areas. Photographs taken from a safe location and notes about prior work can help a professional understand the history without relying on memory alone.
Details worth documenting
- the age and known repair history of the roof
- missing, lifted, cracked, stained, or deteriorated materials
- the condition of flashing at walls, chimneys, valleys, and penetrations
- changes in the attic or ceilings after rain, wind, or snow
- whether gutters, ventilation, and nearby exterior components affect the concern
These details do not replace an on-site evaluation, but they make the conversation more useful. They also help separate a maintenance item from a repair need or a larger project. A clear evaluation should explain the observed condition, the likely scope, the surrounding components that were checked, and any assumptions that could affect the recommendation.
Questions to ask before authorizing work
- Is the concern isolated or part of a broader roof condition?
- What evidence supports repair rather than replacement?
- Are decking, flashing, and ventilation included in the scope?
- Which conditions could change the final price?
- What materials and warranties are proposed?
- How should the roof be monitored after the work?
Ask for the proposed work in writing and compare scopes rather than price alone. Materials, labor, disposal, cleanup, ventilation, flashing, permits, warranties, and possible concealed conditions should be easy to identify. If alternatives are available, the practical differences should be explained in plain language so the decision reflects the property’s needs and the owner’s priorities.
Greenawalt Roofing serves homeowners across Central Pennsylvania. Learn about residential roofing services, review what happens during a Full Exterior Exam, browse the company’s service areas, or request a free estimate.