Residential roofing in Delaware. Protect your home.
Delaware & listed tri-state communities
A roofing decision starts with the condition of your home. Talk with JM about repair, replacement or new-construction roofing and the scope that fits the project.
Free estimates for standard homeowner projects.

Understand the problem before choosing the work.
A leak, damaged covering or concern about prior work deserves an explanation of the observed condition. A replacement is not the automatic answer to every roof question.
JM provides residential roof repair, replacement and new-construction installation. Share the problem history, your location and photos taken safely from the ground. The written proposal should explain the work, materials and any assumptions about concealed conditions.
Find the right roofing conversation.
Look at the complete roof system.
Use these decisions to shape a clear, comparable scope.
- Decking
- Confirm how concealed deck damage will be documented, measured, priced and authorized if found after tear-off.
- Flashing and connections
- Discuss roof-to-wall areas, penetrations and other interfaces included in the scope—not only the visible covering.
- Ventilation and materials
- Ask how the specified products and ventilation approach suit the actual roof. Product instructions and existing conditions matter.
- Coverage and care
- Distinguish manufacturer product coverage from any contractor workmanship terms. Confirm current written terms before relying on a badge or warranty description.
A budget with a clear scope behind it.
Roof area, pitch, access, existing layers, material specification and concealed repairs can all change a replacement estimate. Compare proposals for the same preparation and details.
Ask what disposal and deck-repair allowances include, how additional work is priced and whether any insurance-related estimate fee applies.
Request your project estimateWhat changes the investment?
- Area, roof form and access
- Existing layers and deck condition
- Flashing and ventilation scope
- Material system and cleanup
The 2025 Philadelphia Cost vs. Value report lists a standardized asphalt-shingle replacement example at $34,338. That dated project scope is not a JM quote or a price for every Delaware roof.
View the independent report and project scopesKnow what to expect around your home.
Material availability, weather, roof complexity and concealed repairs affect scheduling. Agree preparation and access arrangements before the workday.
Describe the concern
Provide your address, problem history and safe ground-level photos to start the discussion.
Review the written proposal
Confirm materials, preparation, allowances, protection, disposal and additional-work procedures.
Prepare the property
Discuss vehicles, deliveries, outdoor belongings, attic contents, children, pets and safe entry to the home.
Review completion and coverage
Agree the review of the completed work, cleanup, outstanding items and written product or workmanship information.
Roofing for the property and its exposure.
An older Wilmington roof, a new Middletown build and a coastal property can raise different questions about existing construction, access and exposure. Give JM the actual address and concerns rather than relying on a one-size-fits-all material recommendation.
Roofing is one part of JM’s exterior offering. If siding, gutters or a roof-to-wall connection is involved, describe those concerns together so the proposed boundaries are clear.

Get to know the company behind the work.
Explore JM’s project gallery and customer feedback as you plan your own project. The current gallery shows roofing, exterior, deck, porch and concrete work.
Talk with JM about the experience and scope relevant to your plans, who will coordinate the work and how changes will be agreed.
Good questions before you begin.
A clearer scope starts with a better conversation.
Does a leak mean I need a new roof?
Not necessarily. The source, extent of deterioration and condition of the rest of the roof matter. Ask for an explanation of the observed issue and the limits of any repair before deciding.
What happens if damaged decking is found?
The proposal should explain how replacement decking is measured and priced, what allowance is included and how additional work is documented and approved. Discuss that process before tear-off.
Are roofing estimates free?
JM offers free estimates for standard homeowner projects. Insurance-related estimates may be subject to a fee; confirm any applicable charge before requesting that work.
How long will the roof work take?
The schedule depends on roof size, complexity, weather, access and any concealed repairs. Ask for the expected work period and how weather or additional repairs would affect it.
Tell us what is happening with your roof.
Share your city and state, what you want to change and the best way to reach you. JM can follow up about the project and confirm the next step.
Free estimates are available for standard homeowner projects. Insurance-related estimates may carry a fee; confirm any applicable charge before requesting that work.
Prefer to talk? (302) 277-7173
