Many homeowners don’t pay much attention to their roof until there’s an obvious sign of damage. This is a mistake; being able to identify and address roofing problems before they cause widespread damage can save you time and money.
Below is a list of four signs your roof is in need of a full replacement.

1. AGE
A good asphalt shingle roofing system can last up to 30 years. If yours is reaching that point, it’s smart to ask professionals to inspect your system and provide a status update. An expert can tell you whether it’s safe to squeeze a few more years out of your system or if you need to replace it now.
2. CURLING AND MISSING SHINGLES
Curling, cracked, or missing shingles are a very bad sign for your roof. This problem means your underlayment is exposed to the elements, which can lead to leaks. Contact your trusted roofers if you notice this problem.
3. HOLES
Water has a way of seeping through even in the tiniest gaps. If you notice holes that allow rain into your home, consider getting professionals to check your roof. This is a serious matter that requires prompt attention.
4. SAGGING ROOF
A sagging roof often indicates a structural issue. There could be a problem with the decking in the attic or the foundation. Failing to address this poses an actual, physical risk to you and your family.
Greenawalt Roofing offers top-quality roofing products and services that meet your needs. Our team ensures professional roof replacement for long-lasting peak performance. You can choose from our wide range of residential roofing options. Call us at (717) 898-6000. We serve Lancaster, PA and the surrounding areas.
What Central Pennsylvania property owners should consider
Warning Signs Your Roof is in Disrepair 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 date and approximate time of the weather event
- photos taken safely from the ground before temporary work begins
- missing, lifted, dented, cracked, or displaced exterior materials
- interior stains or active water entry that need prompt attention
- temporary measures already taken to limit further damage
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
- What assumptions and exclusions are written into the proposed scope?
- Which conditions appear storm-related and which may be normal wear?
- Does the property need temporary protection before permanent work?
- What documentation should be kept with estimates and photographs?
- Are roofing, siding, gutters, and flashing all included in the evaluation?
- Which repairs are urgent and which can be planned?
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 property owners across Central Pennsylvania. Learn about storm-damage support, review what happens during a Full Exterior Exam, browse the company’s service areas, or request a free estimate.