Flashing
Flashing and perimeter metal for a watertight finish.
Commercial Roofing
Commercial Roof Replacement Randolph, NJ
A roofing contractor in Randolph can plan and carry out a full commercial roof replacement, with new insulation and drainage built in. Call (973) 858-1826 to reach a local roofer.
Replacement time comes when the roof is failing in many places, not just one. A roof with many failing seams, cracking or blistering across the surface, or large wet areas under the membrane is a replacement candidate. Most commercial roofs reach the end of their life after 15 to 30 years.
A replacement plan starts with the existing layers. Codes typically cap buildings at two roof systems, so the core cut determines whether a recover is allowed. Wet insulation never belongs under a new roof, even on a recover. Current energy codes often call for more insulation than the old roof had, which affects edge heights and curbs.
Keeping the business open is part of the plan. Each section is closed up before the crew leaves, so open roof never sits exposed overnight. The roofer coordinates crane lifts, dumpster placement, parking, noise and air intakes with the property manager.
Depending on what the roofer finds, commercial roof replacement in Randolph, NJ can go hand in hand with commercial roofing and tpo roofing.
Dealing with this in Randolph, NJ right now? Call (973) 858-1826 to talk to a local roofer.
Call nowThe process
The commercial roof replacement process
A commercial replacement follows a clear sequence from survey to closeout.
Take core cuts
The roofer takes core cuts, runs an infrared or capacitance moisture survey and inspects the deck, drains and equipment. Those findings shape the plan.
Choose the system
Based on the building and its use, the roofer recommends a system such as TPO, PVC, EPDM, modified bitumen or metal. Tapered insulation and crickets are designed to eliminate ponding. If the old roof ponded around columns or along walls, the new layout fixes that with crickets or added drains.
Plan logistics
Logistics like permits, staging and access are settled before work begins. HVAC contractors may be scheduled to disconnect and reset units. Notices go out to tenants before crane lifts and tear-off begin.
Open the roof in phases
The crew removes old layers in phases, replacing damaged decking as it is found. Deck damage is repaired before anything new is installed. The crew pays close attention around old drains and curbs, since slow leaks there tend to damage the deck.
Build the new system
New insulation and membrane are installed section by section. Each section is tied into the old roof at day end with a temporary seal. The seal comes off as the next section is opened.
Flash the details
Curbs, penetrations, drains, walls, scuppers and edge metal are flashed and finished. Closeout includes a final inspection and records for the building.
What is included
Parts of a commercial roof replacement
Moisture survey
Core cuts and a moisture scan to set the scope.
Deck repair
Old layers stripped to the deck so the new roof has a sound base.
Tapered insulation
Tapered boards and crickets under the new membrane.
New membrane
TPO, PVC, EPDM, mod bit or metal installed and sealed.
Related service
Commercial Roof Installation Randolph, NJ
For new construction, commercial roof installation is coordinated with the building design from the start. The roofer works from the drawings, coordinating with other trades on curbs, penetrations and equipment locations. Good drainage design at installation saves trouble later.
In Randolph, commercial roof installation also includes additions and expansions where a new roof ties into an existing one. Tie-ins are detailed carefully, since different systems meet there. Expansion joints may be needed where buildings meet.
Local help
Commercial Roof Replacement Near Me
Commercial roof replacements in Randolph range from small retail buildings to large warehouses and churches. Across Randolph and nearby towns like Dover, Wharton, Succasunna and Rockaway, many buildings already have two roofs, which means a tear-off this time, so the replacement is a chance to fix drainage for good.
Need commercial roof replacement around Randolph? Call (973) 858-1826 for a Randolph roofer who serves the towns around it too.
Roofs in this climate
Winters here are long and cold, with snow on the roof for weeks at a time and plenty of nights below freezing. When warm attic air melts the snow, the meltwater runs down and freezes again at the eaves, building ice dams that push water up under the shingles. Strong coastal storms push rain into every weak spot at the flashing and valleys. Most homeowners in Randolph, NJ have the roof checked in the fall and again after the snow melts.
Why call
Why not wait
Smaller repairs
Small roof problems caught early usually stay small repairs.
Roofers who know Randolph
Roofers in Randolph know the roof types and weather wear common in local homes.
Know what happens next
Ask the roofer about the cause, the options and the estimate before work starts.
Common questions about commercial roof replacement
Can a new commercial roof go over the old one?
The core cut answers that. A recover over one dry, sound roof is often allowed, using a cover board under the new membrane. Wet insulation or two layers mean tear-off.
Do commercial roof replacements need permits?
A permit is typically required for commercial reroofing. The permit process checks code items like the number of roof layers, insulation levels and wind uplift. The roofer typically handles the permit and inspections.
How is a business kept running during a roof replacement?
Keeping the building open is the norm. Phasing, nightly seals and careful scheduling keep the business going. Air intakes are protected near adhesive work, and spaces below may be covered.
What affects the timeline of a commercial roof replacement?
Several factors set the schedule: roof size, tear-off, weather and logistics. Smaller roofs go quickly, and big roofs or campuses take much longer. Rain delays are common, since the crew only opens what it can close up each day.
Which commercial roof system should we choose?
The right system depends on the building, its use and what the roof is exposed to. TPO is common for its reflective surface and welded seams, PVC for grease or chemical exposure, EPDM for flexibility, modified bitumen for foot traffic and metal for long life on sloped roofs. The survey and your plans for the building guide the choice.
More questions? Call (973) 858-1826
Related services
Commercial Roofing
Roofing work for business, institutional and multi-family buildings, from single-ply membranes to metal and coatings.
Learn moreTPO Roofing
Heat-welded TPO membrane for flat and low-slope roofs, with seams welded into one watertight sheet.
Learn moreModified Bitumen Roofing
Two-ply modified bitumen systems with a granulated cap sheet, installed, repaired and replaced.
Learn moreCommercial Metal Roofing
Metal roof systems for commercial buildings, including new installs, replacements and leak repairs, built to handle thermal movement and wind uplift.
Learn more
Looking for something else?
See all roofing servicesTalk to a Randolph roofer about commercial roof replacement
Call (973) 858-1826 for a local roofer in Randolph and nearby towns.