Know what the repair includes
An EPDM roof repair estimate should identify the problem, the exact area being repaired, the compatible materials, and any wet components that need attention beneath the rubber membrane. A total price and the word “patch” leave too much unexplained.
For Indianapolis and Central Indiana building owners, the useful comparison is the work each contractor proposes for the same roof condition. Use these questions after an inspection, alongside your leak records and existing warranty documents. Download the EPDM repair estimate worksheet (PDF, 2 pages) to record roof conditions and compare two written proposals. For active water entry, start with our commercial roof leak response guide.
01 / Your building
Identify the roof and the repair area
Which membrane is on the building?
Ask the inspector to identify the existing membrane before specifying a repair. “Rubber roof” is sometimes used loosely. If the manufacturer or assembly is uncertain, ask what further information is needed and how that uncertainty affects the proposal.
Your records may include the original roof specification, installation invoice, warranty number, or product information. Share them with the contractor. Our EPDM rubber roofing service explains the seams, flashing, drainage, and surface conditions reviewed during an assessment.
What finding supports this repair?
Request an annotated photo or roof-plan reference showing the defect and proposed repair boundary. Distinguish a puncture in the field membrane from an open seam, a wall transition, a pipe flashing, or an equipment-curb detail. Those locations can require different preparation and components.
Ask whether the source of an interior leak has been confirmed or whether further investigation is included. A ceiling stain may be some distance from the entry point. If equipment or drain piping is suspected, clarify whether another trade needs to inspect it.
Is this temporary protection or the lasting repair?
Have the proposal state which it is. An emergency measure may need a later visit when access, weather, and material conditions allow the specified work. Ask what remains to be done, what the second visit covers, and how it will be scheduled.
02 / Your building
Compare the work behind the repair price
Surface preparation and compatible products
Ask which cleaning, preparation, primer, patch, seam, or flashing products are specified for the existing roof. The installer should explain the proposed detail and the product requirements it must meet. A generic sealant description is a reason to request more detail.
Manufacturer instructions matter. For example, the Carlisle owner’s manual warns against asphaltic roof cement on its rubber roofing and sets procedures for work on warranted systems. Check the documents for your actual roof rather than assuming one manufacturer’s rules apply to every assembly.
Moisture below the surface
Ask what the inspection established about the insulation and deck beneath the repair area. If moisture is suspected, identify any proposed investigation, opening, or removal work. Confirm who approves it and how the affected area will be made weather-resistant during the process.
The estimate should distinguish known work from allowances and unresolved conditions. If additional wet insulation or damaged decking is found, ask how quantities will be recorded and how the change will be priced before you approve it.
Drainage and adjacent details
A patch does not necessarily correct the condition that caused the problem. Ask whether ponding, a blocked outlet, a failing termination, recurring service traffic, or an adjacent flashing issue also needs attention. Have those items included or clearly identified as separate work.
If a coating is proposed instead of, or alongside, repairs, request its separate preparation and suitability assessment. Our commercial roof coatings guide covers the conditions to discuss before choosing restoration.
Access, equipment, and building operations
Confirm roof access, staging, occupant notices, working hours, and protection of entrances. Identify any equipment that another contractor must disconnect, move, or service. The proposal should make these responsibilities clear before work begins.
03 / Your building
Confirm the warranty, closeout, and next inspection
Check the existing warranty before authorizing work
Give the contractor the actual warranty and ask whether manufacturer notification, approval, or an authorized applicator is required. Do not assume a new repair automatically continues existing coverage. Confirm the process with the warranty provider when the requirements are unclear.
Ask what you receive after the repair
Request a record identifying the completed areas, materials used, photos, and any remaining concerns. Keep the invoice with your roof plan and leak log. If the contractor offers repair-related coverage, ask for its duration, scope, exclusions, and contact process in writing.
Agree on a monitoring plan
Ask what to watch indoors after the next rain and how to report a recurring symptom. The follow-up plan should reflect the roof’s condition, manufacturer guidance, equipment service, and building use. Coordinate rooftop access so later service work can be traced if new damage appears.
“What will this repair solve, what condition will remain outside it, and what finding would change your recommendation?”
If the answers point to wider deterioration or underlying moisture, ask for a separate comparison of repair and larger-project options. A clear boundary helps you budget without treating every leak as an automatic replacement.
Let’s look at your roof
Request an EPDM roof inspection.
Tell Raptor Roofing about the building, leak history, and prior repairs. We can review the roof’s visible condition and discuss the proposed next step.
Serving Indianapolis and nearby Central Indiana communities.
Confirm the project scope, price, timing, and applicable warranty requirements in writing before authorizing work.
