EPDM goes down in one or two layers over insulation boards on flat or low-slope roofs common in Chambersburg and Mill Hill row homes. The membrane expands and contracts with the humid subtropical swings between hot summers and freezing winters. We always prime the deck and use 6-inch seam tape because cheap crews skip primer and seams split within three seasons.
Trenton Battle Monument area homes often have old coal tar or gravel roofs that need full tear-off before EPDM. Mercer County requires a permit once the job exceeds 400 square feet. We pull the permit and schedule the inspection so you stay legal. Skip this step and inspectors can shut the job down mid-install.
Flashing around chimneys and HVAC curbs fails first on North Trenton and East Trenton roofs. We use 24-gauge pre-finished metal and extend it 8 inches up the wall with termination bar and caulk. That detail stops wind-driven rain from getting under the sheet during summer storms.
South Trenton commercial buildings with parapets need counter-flashing cut into the masonry. We run the EPDM up the wall 12 inches, add the counter-flashing, and seal the reglet. This keeps water out where cheap contractors just caulk the edge and walk away.
Rubber EPDM Roofing Services We Offer
✓EPDM Roof Installation Trenton NJ
Full 45-mil or 60-mil Carlisle membrane install over insulation boards with taped seams and new flashing.
✓Emergency EPDM Roof Repair Trenton NJ
Same-day patch or seam fix on active leaks using 60-mil EPDM and compatible adhesive.
✓Commercial EPDM Roofing Replacement
Large flat roof tear-off and new 60-mil EPDM with tapered insulation for drainage on Mercer County buildings.
✓EPDM Roof Leak Inspection Trenton NJ
Full roof scan with moisture meter and core cuts to find wet insulation before it spreads.
✓EPDM Flashing Repair Around Chimneys
Replace failed chimney and curb flashing with 24-gauge metal and new EPDM boots.
Rubber EPDM Roofing Cost in Trenton, NJ
| Service | Typical Range | What Affects It |
|---|---|---|
| EPDM roof replacement 1,000 square feet | $5,200–$8,400 | Price rises with full tear-off and deck repairs |
| Emergency EPDM leak patch | $475–$950 | After-hours or weekend calls add 25 percent |
| Commercial EPDM re-roof per square foot | $4.25–$6.75 | Includes tapered insulation and larger sheet sizes |
| EPDM chimney and curb flashing repair | $650–$1,150 | Depends on number of penetrations and metal gauge |
| Free roof inspection and estimate | Free | Call Mon–Sat 7am–7pm or 24/7 for active leaks |
Ranges are typical for Trenton, NJ and confirmed with an exact written quote before any work starts.
How it works
- 1
Deck inspection and moisture check
We walk the roof, pull cores, and mark wet areas. Takes 1 to 2 hours on most Trenton homes.
- 2
Tear-off and deck repair
Remove old roofing down to deck, replace rotten plywood, and install new insulation boards. One day for a typical 1,200-square-foot roof.
- 3
Membrane layout and seaming
Roll out 45-mil or 60-mil EPDM, prime edges, and apply 6-inch seam tape. Two-man crew finishes 800 to 1,000 square feet per day.
- 4
Flashing and final inspection
Install metal edge, pipe boots, and wall flashing. County inspector signs off same day if permit was pulled.
Pricing
Most full EPDM jobs in Trenton run $4,800 to $11,500 depending on tear-off and access.