Roofing contractor with safety harness conducting a roof inspections before repairing shingles on steep slope for Lycoming County Housing Authority
Restored corner flashing and new Ludowici green tile installation at Immaculate Conception Church roof.

When do you need roof repairs?

RTG Solutions provides fast, reliable service for flat, low-slope, and commercial roofs, including EPDM, TPO, and PVC systems. From emergency leaks to routine maintenance, our team helps businesses across Lock Haven, State College, and Williamsport stop damage before it spreads.

Routine inspections and timely repairs extend your roof’s life, protect warranties, and prevent costly replacements. Whether it’s storm damage, clogged drains, or cracked membranes, we deliver durable solutions that keep your building safe and compliant.

To help you know when your roof needs attention, we’ve put together a quick guide below with external and internal signs your commercial roof may need repairs.

When Do You Need Commercial Roof Repairs?

Commercial roof problems don’t wait, and neither should repairs. At RTG Solutions, we provide fast, reliable roof repair services for flat, low-slope, and commercial roofing systems, including EPDM, TPO, and PVC. From emergency roof leak repairs to preventative maintenance, our team helps businesses across Lock Haven, State College, Williamsport, and all other Pennsylvania stop damage before it spreads.
Routine inspections and timely repairs extend the lifespan of your roof, protect warranties, and save thousands in replacement costs. Whether it’s storm damage, clogged drains, or cracked membranes, we deliver durable solutions that keep your building safe and compliant.

Routine inspections allow property managers to catch small issues early, extend the lifespan of their roof, and maintain manufacturer warranty compliance. By identifying and repairing problems before they escalate, businesses save thousands in avoidable roof replacement and repair costs.

To help you know if your roof is in need of repairs, we have put together a little guide below with some external and internal signs that your commercial roof needs repairs.

External Signs Your Commercial Roof Needs Repairs

External Signs Your Commercial Roof Needs Repairs

Your roof’s exterior provides the first and most visible signs that repairs may be needed. Cracked or blistered membranes, damaged flashing, or open seams often allow water intrusion that compromises insulation and roof decking. Ponding water is another warning, it signals improper drainage or low spots that accelerate deterioration. You may also notice rusting metal panels, loose fasteners, or displaced coping stones along parapet walls. Even small punctures caused by foot traffic or equipment can expand into costly leaks if ignored. Routine visual inspections after major storms or seasonal temperature shifts can help identify these issues early and extend the life of your commercial roof.

Your roof’s exterior provides the first and most visible signs that repairs may be needed. Cracked or blistered membranes, damaged flashing, or open seams often allow water intrusion that compromises insulation and roof decking. Ponding water is another warning, it signals improper drainage or low spots that accelerate deterioration. You may also notice rusting metal panels, loose fasteners, or displaced coping stones along parapet walls. Even small punctures caused by foot traffic or equipment can expand into costly leaks if ignored. Routine visual inspections after major storms or seasonal temperature shifts can help identify these issues early and extend the life of your commercial roof.

Commercial Roof Repairs & Service | RTG Solutions
Commercial Roof Repairs & Service | RTG Solutions
Commercial Roof Repairs & Service | RTG Solutions
Commercial Roof Repairs & Service | RTG Solutions
Commercial Roof Repairs & Service | RTG Solutions
Commercial Roof Repairs & Service | RTG Solutions

Internal and Other Signs Your Commercial Roof Needs Repairs

Internal and Other Signs Your Commercial Roof Needs Repairs

Ponding water on flat commercial roof after snowmelt.
Detailed view of a textured rusty surface dotted with blue-green lichen patches, capturing natural decay.
Newly installed white TPO commercial roof with HVAC units and safety railings for the Pennsylvania Game Commission in Central PA.
Restored section of Immaculate Conception Church roof showing new green Ludowici tiles alongside original aged tiles.
Restored built-in gutter channel adjacent to slate cladding.
TPO roof section showing newly installed membrane during commercial roof repair in Central Pennsylvania.

Work With Certified Commercial Roofing Experts

RTG Solutions – Member of the National Roofing Contractors Association (NRCA)
Commercial Roof Repairs & Service | RTG Solutions
DBE Certified badge representing RTG Solutions’ official designation as a Disadvantaged Business Enterprise in Pennsylvania.
Commercial Roof Repairs & Service | RTG Solutions
Commercial Roof Repairs & Service | RTG Solutions
Commercial Roof Repairs & Service | RTG Solutions

Our Commercial Roof Repair Projects

Our Commercial Roof Repair Projects

Completed EPDM and TPO commercial re-roof with new metal edging and gutters in Central Pennsylvania.

EPDM/TPO Project in Central Pennsylvania

EPDM roof we first performed emergency repairs to when the roof blew off. TPO roof was later followed up with completing a metal roof overlay on the owners house.

Commercial metal roofing project at USDA Woods Education Center in Central Pennsylvania, completed by RTG Solutions in October 2023. This was RTG Solution's first government and prevailing wage project.

State & Private Forestry Project in West Virginia

A government project involving a 40,000 square foot metal roof, a 23,500 square foot commercial roof, repair that left the client so happy, they brought us back for another re-roofing project!

RTG Solutions preserving a 115-year-old historic green tile roof with expert slate and tile repair services in Pennsylvania.

Immaculate Conception Church

Customers wanted to reroof the entire building, so we were able to preserve this historical Ludowici Terracotta Tiles and save the church that financial burden.

Commercial Roof Repair FAQs

Frequently Asked Questions

Common warning signs include ponding water, visible leaks inside your building, uneven or sagging roof areas, or flashing that looks cracked or separated from the surface. You might also notice higher-than-normal energy bills caused by air escaping through damaged insulation. Flat and low-slope systems like EPDM, TPO, and PVC are especially prone to punctures, seam failures, and hidden moisture buildup.

Because not all problems are visible from the ground, businesses in Central Pennsylvania often benefit from routine roof evaluations. An experienced roofing contractor can identify small issues before they lead to major water damage, helping extend your roof’s lifespan and reducing long-term repair costs.

Flat and low-slope roofs are common on commercial buildings, and their most frequent repairs involve fixing punctures in the membrane, resealing flashing, or correcting drainage issues. TPO and EPDM roofs, for example, can develop seam separations that allow water to infiltrate. Metal roofs often require fastener tightening or protective coating repairs to stop rust and leaks.


Due to the fact that Central Pennsylvania experiences heavy seasonal rain, snow, and freeze-thaw cycles, repairs that address ponding water and ice damage are especially common. These targeted fixes can often be completed quickly and at a lower cost compared to a full replacement, keeping your roof watertight and extending its useful life.

The cost of repairing a commercial roof depends on the type of roofing system, the size and location of the damage, and whether emergency service is needed. Small membrane patches or flashing reseals may cost a few hundred dollars, while larger flat roof repairs requiring new sections of TPO, EPDM, or PVC can range into the thousands.

While the upfront price varies, according to Roof Crafters, the average prices for each material for a commercial roof replacement are:

Single-ply roofing: $7.50 to $13.50 per square foot
Modified bitumen: $9.50 to $15.75 per square foot
Built-up roofing: $12.50 to $22.25 per square foot
Metal roofing: $12.50 to $18.75 per square foot
Asphalt shingles: $4.50 to $8.50 per square foot

This shows that the long-term savings of being proactive about repairing your roof can be significant. Addressing leaks early helps avoid interior water damage, mold remediation, and premature roof failure. In Central Pennsylvania, where weather shifts can accelerate roof wear, investing in timely repairs almost always costs less than waiting for a full replacement.

When completed properly by an experienced commercial roofer, a repair can last anywhere from 5 to 15 years depending on the roof type. For instance, patching a TPO membrane with heat-welded seams often restores watertight protection for over a decade, while applying a new coating can extend the life of an aging roof by 10 years or more.


The lifespan of a repair depends on factors like weather conditions, quality of materials, and whether routine maintenance is performed afterward. Businesses that invest in regular upkeep, such as cleaning drains and inspecting flashing, often see their roof repairs last much longer than those that defer maintenance.

Yes! Many commercial roof repairs can be safely completed during winter months, especially in climates like Pennsylvania’s where waiting until spring could mean months of water infiltration. While extremely cold temperatures can limit the use of certain adhesives, experienced roofers know how to adapt with cold-weather materials and temporary solutions if needed.


Emergency roof leak repairs, in particular, should never be delayed just because of the season. Crews can stabilize the area, patch damaged membranes, and prevent further water intrusion until a permanent repair can be made under optimal conditions. This approach helps protect your property and keeps businesses operating even during harsh weather.

Roof repair involves addressing localized damage, for example, sealing leaks, patching holes in EPDM or TPO membranes, or replacing missing flashing. Roof replacement, by contrast, means removing the entire existing system and installing a new one.

Commercial roof repairs are typically the right choice when less than 25–30% of the roof is damaged, as they provide a cost-effective way to extend the roof’s life. However, if your roof is nearing the end of its expected service life, has widespread water damage, or suffers from repeated leaks despite past repairs, a replacement may actually save more money in the long run. An experienced contractor can evaluate your specific roof and recommend the best option.

Protect Your Business with Central PA’s Trusted Commercial Roofing Experts

Explore our full service area coverage to see how we help Pennsylvania businesses safeguard their facilities with reliable, code-compliant commercial roofing solutions.

Protect Your Business with Central PA’s Trusted Commercial Roofing Experts

RTG Solutions proudly serves Lock Haven, State College, Williamsport, Altoona, and communities across Central Pennsylvania. Our certified commercial roofing team delivers dependable roof replacements, emergency repairs, and preventative maintenance that keep your operations protected year-round. Explore our full service area coverage to see how we help Pennsylvania businesses safeguard their facilities with reliable, code-compliant commercial roofing solutions.