If Your Roof
Is Rubber With Laps Opening Everywhere
Widespread lap failure on an aged sheet calls for a new membrane instead of more tape.
Start WithFull EPDM replacement
Rubber Membrane
Bethlehem EPDM Roofing Contractor
Rubber Sheet Systems That Stay Flexible Through Freeze-Thaw Seasons
As a Bethlehem EPDM roofing contractor, we replace and install rubber roofs on offices, older brick buildings, and low-slope commercial blocks.
- MembraneSynthetic rubber sheet
- LapsSeam tape and primer
- FocusDrains, laps, and flashing
Is EPDM Roofing Right for This Bethlehem Roof?
Many Bethlehem EPDM roofing jobs replace an older rubber roof. Others switch systems. These cases show where each path starts.
If Your Roof
Covers an Office With Few Penetrations
Wide, open fields with simple edges suit large rubber sheets with few seams.
Start WithFully adhered EPDM
If Your Roof
Has Ballast Stone Over Old Rubber
Stone hides the sheet, so it is moved and the membrane checked before deciding.
Start WithInspection under the ballast
If Your Roof
Leaks Only at One Drain Clamp
A loose clamping ring or torn drain flashing is a local repair on a sheet that still has life.
Start WithA drain flashing repair
EPDM Roofing Problems Around Bethlehem, PA
Rubber roofs fail in a few familiar places. Each one tells us how far a replacement needs to go.
Lap Tape Letting Go
Older glued laps and tired seam tape open along the edges after repeated freezing.
Torn Flashing at Drains
The membrane around drain bowls stretches and tears where water pools and refreezes.
Shrinkage at Walls and Curbs
Aged rubber pulls tight at base flashing, bridging corners until they split.
Small Punctures Hard to Spot
Dark sheet hides tiny holes from screws and debris until a stain shows up indoors.
Water Riding Under the Sheet
Leaks travel across loose-laid rubber, so the stain inside sits far from the actual hole.
Board Crushed Under Ballast
Stone and foot traffic compress insulation, leaving low spots that hold water.
Bethlehem EPDM Roofing Choices
Rubber roofs come in more than one build. These are the main decisions in an EPDM proposal.
| Decision | Options | What Decides It |
|---|---|---|
| Attachment | Fully adhered, mechanically fastened, or ballasted | Deck type, wind, and the load the structure can carry |
| Seams | Factory tape with primer, or wider laps at details | Roof layout and where water collects |
| Sheet Size | Wide rolls or narrower sheets | Access for hoisting and the number of penetrations |
| Insulation | Polyiso board, tapered where needed | Drain heights and low areas found on the walk |
| Existing Roof | Full tear-off or partial removal | Core results and how many layers already exist |
What EPDM Roofing Fixes on Bethlehem Office Buildings
Here is how a new rubber roof answers the failures we find on older ones.
- Failure
Laps Opening at the Edges
Old adhesive seams dry out and peel back, letting water under the sheet.
What New EPDM DoesPrimed laps with seam tape are rolled in and checked, with cover strips at the most exposed joints.
- Failure
Water Pooling at Drains
Crushed board and high drain bowls keep water sitting where the sheet is weakest.
What New EPDM DoesNew insulation is set to fall toward the drains, and each drain gets new flashing and a clamping ring.
- Failure
Corners Bridging and Splitting
Shrunken rubber pulls off base flashing at walls, curbs, and inside corners.
What New EPDM DoesFresh base flashing is adhered up the wall and secured under new termination bar and counterflashing.
Rubber Roof Peeling at the Laps?
Open seams on an older EPDM roof often run wider than the visible ones. Book an inspection and we will check the laps, drains, and board underneath.
Schedule Your Free InspectionWhat To Have Ready
- Roof size or footprint
- Age of the rubber roof
- Leak locations inside
- Whether the roof has ballast
How EPDM Roofing Work Runs in Bethlehem
Rubber roof replacement follows a fixed order from the first core to the last drain clamp.
- 1
Inspect Your Roof
Day 1We probe laps, check drains, and cut cores to see whether the insulation under the rubber is dry.
- 2
Take Off Old Rubber and Wet Board
RemoveOld sheet, ballast, and wet insulation come off section by section down to a firm, dry surface.
- 3
Set New Insulation
BoardPolyiso board goes down, with tapered pieces where the walk found low areas near drains.
- 4
Lay and Bond the Rubber
SheetSheets are adhered or fastened, relaxed in place, and joined with primed seam tape that is rolled in.
- 5
Flash and Clamp the Details
FinishWalls, curbs, and pipes get base flashing, and drains get new clamping rings before a final walk.
Other Systems for Bethlehem Rubber Roof Owners
Switching systems can make sense on some buildings. These are the other roofs we install.
TPO Roofing
Owners replacing old rubber often weigh white welded TPO, which joins seams with heat in place of tape and primer.
Where Water Gets In- Field seams that were never probed
- Curb corners around rooftop units
- Edge metal lifting at the perimeter
Industrial Roofing
Rubber roofs over plants with exhaust and process moisture need the replacement planned with production schedules.
Where Water Gets In- Collars around exhaust stacks
- Equipment curbs and pipe supports
- Service paths worn through the membrane
Commercial Metal Roofing
Low-slope rubber can be replaced by a sloped metal retrofit once framing and the structure below are reviewed.
Where Water Gets In- Panel end laps and ridge closures
- Rusted fasteners on older panels
- Wall flashing where panels meet brick
EPDM Roofing Questions in Bethlehem
Answers about rubber roofs on commercial buildings.
What Is EPDM Roofing?
EPDM is a synthetic rubber sheet, which is why many people call it rubber roofing. The name covers several systems, so we identify the exact build before choosing seam products, flashing, or repairs. Insulation, attachment, and drainage have to fit the building along with the sheet.
What Goes Into EPDM Roofing Cost?
An EPDM price has to cover what sits under the membrane and what the inspection finds. We weigh area, sheet thickness, insulation, the old layers coming off, deck repair, edge metal, flashing, and equipment, plus access, staging, and season. The rubber itself is only part of the replacement cost.
Does the Average Lifespan of an EPDM Roof Mean Ours Is Due?
An average age says little about one particular roof. We check seams, edge stress, punctures, and moisture under damaged spots. Upkeep and exposure explain why one section ages faster than another, and the call is based on the defects found today.
What Do EPDM and Freeze-Thaw Cycles Do to the Roof?
Repeated freezing works on drains, weak laps, and flashing first. We look for water held near outlets, stressed corners, and moisture reaching damaged details. Rubber flexes well, yet the connections still need to be tight and runoff needs a clear path off the roof.
Is Rubber Roofing the Same as EPDM?
In Pennsylvania the two names usually mean the same black membrane. We still confirm the material on the roof, since older buildings sometimes carry modified bitumen or other sheets that look similar from the ground.
Can New EPDM Go Over Old Rubber?
Only after cores prove the existing layers are dry and the deck is solid. Most aged rubber roofs around Bethlehem come off, because water under loose sheet is common and hard to see.
Hire a Bethlehem EPDM Roofing Contractor
Send the address and a note about the rubber roof. We will probe the laps, cut cores, and spell out the EPDM build that fits the building.