The black rubber roof over your garage or back porch has started to curl at the seams, or there’s a bubble in the middle that wasn’t there last year. Maybe the ceiling underneath has a faint ring. You need an EPDM roofing contractor in Springfield, MO who can tell you whether that rubber roof needs a patch, a seam repair or a new membrane, and who’ll explain it without the runaround.
That’s harder to find than it should be. Rubber roofs look simple, but most of their problems come down to details at the seams and edges, and a quick dab of caulk rarely fixes them for long.
APC Roofing is a GAF Certified contractor, licensed and insured, and we install and repair EPDM roofs on Springfield homes and light commercial buildings. Your inspection and estimate are free. Call 913-398-5020 and we’ll take a look.
What EPDM is and where it fits
EPDM is a synthetic rubber membrane, usually black, that comes in large sheets. Because the sheets are big, a small porch or garage roof can often be covered with few seams or none at all. It’s been used on low-slope roofs for decades, and you’ll find it on plenty of Springfield homes built or remodeled with a flat section.
It’s a good match for:
- Porch, carport and garage roofs
- Additions and sunrooms with a low-slope roof
- Small commercial and outbuilding roofs
- Roofs with few pipes or vents breaking through them
EPDM is installed fully adhered with adhesive, mechanically fastened, or held down with ballast on larger buildings. On a house, it’s almost always glued down.
How EPDM handles Springfield weather
The big advantage of rubber here is the cold. EPDM stays flexible at low temperatures, so it handles a Missouri winter and the freeze-thaw swings that crack stiffer materials. That flexibility also helps it ride out the movement of a house as it heats and cools.
Summer is the trade-off. A black membrane absorbs sunlight, so on a hot, humid July afternoon the roof surface gets very hot and the room underneath can feel it. If the space under the roof is living space, that’s worth talking through. If it’s a garage or a covered porch, it usually matters less.
Spring hail is the other concern. New EPDM is fairly forgiving, but an older, dried-out membrane can split or puncture when hail hits it. After a hailstorm, it’s worth having the roof checked even if nothing looks wrong from the ground.
Where EPDM roofs leak
The open middle of a rubber roof rarely fails on its own. Leaks usually start at:
- Seams. EPDM seams are joined with primer and seam tape. If the surface was dusty or damp when the seam was made, the bond weakens over time and the edges start to lift, often at a corner first.
- Flashing at walls and curbs. Where the membrane turns up a wall or around a curb or rooftop unit, it needs to be sealed and capped properly.
- Pipe boots. Plumbing vents get a molded rubber boot clamped at the top. The clamp or the sealant can loosen with age.
- The edge metal. Wind pulls up hardest along the perimeter. Loose edge trim lets wind get under the membrane.
- Where the porch meets the house. The membrane should run up the wall and under the shingles above it. If it was laid over them, water gets behind it.
Repairing an EPDM roof
Most rubber roof leaks can be repaired if the rest of the membrane is in good shape. A proper EPDM repair cleans the old rubber, primes it and puts down a patch or cover strip with rounded corners so the edges don’t catch and peel. Done right, that patch becomes part of the roof. A blob of roofing tar on rubber does the opposite: it can trap water and keep a real repair from bonding later.
Replacement starts to make sense when seams are failing in many places, the membrane has shrunk and pulled away from the edges, or the insulation below is wet. Wet insulation under a sealed membrane can’t dry out, and it keeps soaking the deck. For more on fixing leaks in any membrane, see our flat roof repair in Springfield page.
EPDM or TPO?
Both are single-ply membranes, and both work well on Springfield homes. EPDM is rubber, seamed with tape and adhesive, and flexible in the cold. TPO is a white thermoplastic with heat-welded seams, and it reflects more summer heat. On a garage or porch, EPDM is often the simpler choice. Over living space that gets full sun, TPO may be worth a look. You can compare on our TPO roofing in Springfield page, or read about every option on our flat roofing in Springfield page.
Working with an EPDM roofing contractor in Springfield, MO
- Book your free inspection. Call 913-398-5020 or request a free online estimate.
- Get a clear, honest assessment and estimate. We check the seams end to end, the edges, the wall flashing, the drains and every pipe through the roof, and you get photos and a written estimate.
- Get the work done and the site cleaned up. Seam work needs a dry surface, so the job is scheduled around the weather, and the crew cleans up before they leave.
Financing is available through Aqua Finance, Fortifi, Hearth and Home Run Finance.
EPDM roofing questions
Can an EPDM roof be repaired, or does it have to be replaced?
Most EPDM leaks are repairable when the rest of the membrane is still flexible and well bonded. If seams are failing all over or the insulation underneath is wet, replacement is the better long-term call.
Can EPDM be installed in cold weather?
Seam primer and tape need a clean, dry surface, and cold slows how fast adhesives grab. Small repairs can often be done in a dry spell. Full installs are best scheduled for a stretch of settled weather.
Is a black rubber roof a problem in summer?
It runs hot, which matters most when there’s living space right underneath. Over a garage or porch, most homeowners don’t notice a difference.
Did hail damage my rubber roof?
Maybe. Hail can split older, dried-out EPDM without leaving much you can see from the ground. A free inspection after a storm will tell you.
A rubber roof that stays put
Lifted seams don’t fix themselves. A little water each storm soaks the insulation and works into the deck, and what could have been a patch becomes a new roof. You don’t need to rush. You just need a clear picture.
Have it checked, and you’ll know the roof over your porch or garage is sealed and sound, with no surprises on the bill. Call 913-398-5020 to book your free inspection.
