Base ply
A fastened or adhered base layer that gives the roof its first line of defense.
Flat Roofing
Modified Bitumen Roofing Orange, NJ
A local roofing contractor in Orange can handle modified bitumen, whether the sheets are torched, self-adhered or set in cold adhesive, which holds up well to foot traffic and patches easily. One call to (973) 858-1825 reaches a nearby flat roof pro.
Modified bitumen is asphalt with rubber or plastic polymers mixed in, made into reinforced rolls that go down in two or more layers. Sheets come in SBS, a rubber-modified type that handles cold well, and APP, a plastic-modified type made for torching. The layers give it toughness, which is why it holds up well on roofs that see foot traffic.
The application method is one of the first decisions on a modified bitumen job. Torch-down uses an open flame to melt the back of the sheet onto the layer below, which makes strong laps but calls for strict fire safety near wood and insulation. Self-adhered peel-and-stick sheets and cold-applied adhesives skip the torch, which makes them common on houses.
A few details help the roofer plan. Look for blisters, splits, granule loss and seams that curl up at the edge, and note where water stands after rain. Mention whether the roof has been coated or patched with roofing cement, since that changes how new material will stick.
Depending on what the roofer finds, modified bitumen roofing in Orange, NJ can go hand in hand with flat roof replacement and flat roof repair.
Looking for Orange modified bitumen roofing? Call (973) 858-1825 to reach a nearby roofing contractor.
Call nowThe process
How a modified bitumen roof is installed
Each layer of a mod bit roof has its own job.
Survey the existing roof
The roofer checks the deck, counts existing layers and looks for wet insulation, often with a core cut. With two roofs already in place or wet insulation present, a tear-off is the norm.
Tear off old roofing
On a tear-off, everything comes down to the deck and damaged plywood or planks are replaced. Insulation or a cover board is added, with tapered sections where water needs help reaching the drains.
Put down the first layer
A base sheet is fastened to wood decks or adhered to insulation and cover board. Its laps are staggered from the cap sheet laps to avoid weak lines.
Apply the cap sheet
The granulated cap sheet is torched, set in cold adhesive or self-adhered over the base. At torched laps, a small bead of melted asphalt should show along the edge, a sign the seam has fused.
Flash the walls
Base flashing runs up walls and parapets in two plies and is fastened at the top under metal counterflashing or a termination bar. New drip edge or gravel stop and properly set drain flashings finish the edges.
Keep a fire watch
After torch work, a fire watch confirms no hidden heat remains in insulation or wood. The last step is a full walk to confirm laps and flashings are sealed.
What is included
What goes into a mod bit roof
Edge metal
New edge metal and drain flashings to finish the system cleanly.
Wall flashing
Flashing that runs up the wall and under metal so wall joints stay dry.
Insulation
New insulation where the roof is torn off built to current code levels.
Granulated cap
A granulated cap sheet in white or a dark color that takes foot traffic well.
Related service
Torch Down Roof Repair Orange, NJ
On a torch-down roof, most repairs involve resealing laps, cutting out blisters and adding new plies over damaged areas. For blisters and splits, the damaged section is opened up, dried and covered with a larger patch. Granules are pressed into any exposed asphalt so the patch is protected from sun.
Repairs near walls, vents or wood trim in Orange call for careful torch handling. Near combustible materials, a cold-process or peel-and-stick patch can replace torching. After torching, a watch period for smoldering material is standard practice.
Related service
Built Up Roofing Orange, NJ
A built up roof is made of several plies of felt mopped together with hot asphalt or coal tar pitch, then flood-coated and covered with gravel. When the gravel thins out, the asphalt below dries, cracks and blisters. These roofs can last a long time, but blisters, splits and failed flashings show up as they age.
Most built up roof repairs in Orange start by clearing the gravel, then patching with new plies and setting gravel back in place. Replacement often means a tear-off, since the gravel and the weight make recovering difficult. Many are replaced with modified bitumen, TPO or another single-ply system.
Local help
Modified Bitumen Roofing Near Me
Modified bitumen roofs in Orange cover everything from older homes with flat sections to strip centers and churches. From Orange out to East Orange, Glen Ridge, Caldwell and Roseland, roofs range from aging two-ply systems with worn granules to newer self-adhered roofs on additions, so the right method depends on what is up there now.
For modified bitumen roofing in Orange, NJ or nearby towns like East Orange, Glen Ridge, Caldwell and Roseland, call (973) 858-1825 to reach a roofer who covers your street.
What the local climate does to a roof
Winters here are long and cold, with snow on the roof for weeks at a time and plenty of nights below freezing. Heat escaping from the attic melts snow on the upper roof, and the water refreezes at the colder eaves, building ice dams that push water up under the shingles. Coastal storms and heavy spring rain drive water sideways into flashing, valleys and old chimneys. Most homeowners in Orange, NJ have the roof checked in the fall and again after the snow melts.
Why call
Why act early
Drier ceilings
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Local knowledge
Local roofers see the same roofs and storm damage across Orange and nearby towns.
Straight answers
Ask your questions before you agree to anything.
Modified Bitumen Roofing FAQ
Is torch-down roofing safe?
The open flame is the main concern with torch-down roofing. Good crews fasten the base sheet on wood decks, keep the flame away from edges and gaps and stay on fire watch afterward. On homes, self-adhered or cold-applied modified bitumen avoids the flame entirely.
Can a mod bit roof be coated?
Modified bitumen takes coatings well when the cap sheet is sound and the roof drains. The roof is cleaned, repaired and often primed so asphalt oils do not stain the coating. A white coating also lowers roof surface temperatures in summer.
What is the lifespan of a torch-down roof?
Expect roughly 15 to 25 years from a well-installed modified bitumen roof. Good drainage, intact granules and sound flashings push it toward the long end. Some owners extend the roof with a coating once granules start to thin.
Do I need a tear-off for a new mod bit roof?
What is already up there sets the answer. One dry existing roof can often stay in place under a cover board. Trapped moisture or two existing layers mean the old roofing comes off.
What is the difference between modified bitumen and built up roofing?
Both use asphalt, but the plies and surfacing differ. Built up roofs stack felts and hot bitumen with gravel on top, and mod bit uses two or three factory-made sheets with granules. Mod bit is often preferred today for its flexibility and lower weight.
More questions? Call (973) 858-1825
Often needed together
Flat Roof Replacement
Replacing old built-up, torch-down, EPDM or TPO roofs with a new system built to drain, and new flashing at every wall, curb and drain.
Learn moreFlat Roof Repair
Fixing open seams, blisters, splits, ponding and failed flashing on flat and low slope roofs, with the patch made from material that bonds to what is there.
Learn moreTPO Roofing
Heat-welded TPO membrane for flat and low-slope roofs, sized to the deck, the drains and the way the roof is used.
Learn moreCommercial Roof Replacement
Commercial roof replacement phased around tenants and business hours, from core cuts to closeout.
Learn more
Looking for something else?
See all roofing servicesTalk to an Orange roofer about modified bitumen roofing
Call (973) 858-1825 for a local roofer in Orange and nearby towns.