Tapered insulation
Rigid boards with tapered crickets built to current code levels.
Flat Roofing
Modified Bitumen Roofing Glen Ridge, NJ
A roofer in Glen Ridge can install, repair or replace a modified bitumen roof, the layered asphalt membrane often called torch-down, and match the method to the building and its fire risk. One call to (862) 357-6041 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. The two main types are SBS, which is rubbery and flexible in cold weather, and APP, which is more plastic-like and is usually torched. Multiple plies make a tough roof that tolerates foot traffic better than many single-ply sheets.
How the sheets are applied matters as much as which sheets are used. Torching gives tight, fused laps, but the flame is a fire risk near wood decks, parapets and anything combustible. 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. Also mention any past coatings or cement patches, which the roofer will need to deal with.
Modified Bitumen Roofing is often paired with flat roof replacement and flat roof repair, depending on the cause.
Dealing with this in Glen Ridge, NJ right now? Call (862) 357-6041 to talk to a local roofer.
Call nowThe process
How a modified bitumen roof is installed
A mod bit roof goes on in layers, starting with a sound base.
Survey the existing roof
A core cut and a walk of the roof show how many layers exist and whether moisture is trapped. 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. Where the roof ponds, tapered insulation is added to move water off.
Install the base ply
A smooth base sheet goes down first, fastened or adhered depending on the deck. Its laps are staggered from the cap sheet laps to avoid weak lines.
Apply the cap sheet
The top ply goes on with the chosen method, granules facing up for sun protection. Lap edges are checked for a continuous seal, and loose granules are pressed into any bleed-out.
Flash the details
Parapets and curbs are flashed with mod bit plies, then capped or counterflashed with metal. Drains get new flashing, and the roof edge gets new metal.
Keep a fire watch
After torch work, a fire watch confirms no hidden heat remains in insulation or wood. A final walk checks laps, flashings and drainage.
What is included
What goes into a mod bit roof
Base flashing
Two-ply flashing up walls and parapets fastened at the top.
Base sheet
A smooth reinforced base sheet that gives the roof its first line of defense.
Edge metal
New edge metal and drain flashings so water leaves the roof where it should.
Granulated cap
A top ply surfaced with mineral granules with fully sealed laps.
Related service
Torch Down Roof Repair Glen Ridge, NJ
On a torch-down roof, most repairs involve resealing laps, cutting out blisters and adding new plies over damaged areas. A blister is cut in an X or cut out, the area is dried and sealed, and a new piece of cap sheet goes over it. Loose granules are embedded in the bleed-out so the patch does not weather quickly.
In Glen Ridge, many torch-down repairs sit close to wood framing, so fire safety is part of every job. Near combustible materials, a cold-process or peel-and-stick patch can replace torching. Either way, the roofer should stay on fire watch after any flame work.
Related service
Built Up Roofing Glen Ridge, NJ
Built up roofing stacks three or more plies of felt and bitumen into a thick, heavy membrane, finished with a layer of gravel. The gravel protects the bitumen from sun and foot traffic, so bare spots where it has blown or washed away are a common source of trouble. With age, these roofs blister, crack at the flashings and open at the edges.
For Glen Ridge buildings with built up roofs, patching is done with felts or mod bit after the gravel is cleared. Because these roofs are heavy, recovering over one can strain the structure, and many owners choose a tear-off when the time comes. The replacement is often a mod bit or single-ply roof that is lighter and easier to maintain.
Local help
Modified Bitumen Roofing Near Me
Around Glen Ridge, mod bit replaced a lot of old tar and gravel roofs years ago, and many of those are now due for work. Across Glen Ridge and nearby towns like East Orange, North Arlington, Caldwell and Clifton, older buildings may still have built-up roofs under a layer of mod bit, which is why the core cut matters, and the first step is finding out how many layers are already on the deck.
For modified bitumen roofing in Glen Ridge, NJ or nearby towns like East Orange, North Arlington, Caldwell and Clifton, call (862) 357-6041 to reach a roofer who covers your street.
What the local climate does to a roof
Cold winters bring snow, ice and a long stretch of freezing nights. 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. Strong coastal storms push rain into every weak spot at the flashing and valleys. That is why roof repair in Glen Ridge is busiest after a hard winter and before the next one.
Why call
Why act early
Drier ceilings
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Familiar with local homes
Local roofers see the same roofs and storm damage across Glen Ridge and nearby towns.
Straight answers
Ask your questions before you agree to anything.
Modified Bitumen Roofing FAQ
What is the lifespan of a torch-down roof?
Most mod bit roofs last somewhere between 15 and 25 years with reasonable care. Good drainage, intact granules and sound flashings push it toward the long end. Coating an aging but sound roof can add years.
Are torch-applied roofs a fire risk?
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 modified bitumen be installed over an existing roof?
The core cut tells the roofer. 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.
How does mod bit compare to tar and gravel?
Both are asphalt roofs built in layers, but they are made differently. Built up roofs stack felts and hot bitumen with gravel on top, and mod bit uses two or three factory-made sheets with granules. The polymer sheets stay flexible in cold and are easier to repair.
Can a mod bit roof be coated?
Coating an aging cap sheet is a common way to add years to a mod bit roof. Before coating, the roofer repairs blisters and laps and may use a bleed-blocking primer. A white coating also lowers roof surface temperatures in summer.
More questions? Call (862) 357-6041
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Full replacement of failing flat roofs, with a moisture survey deciding tear-off or recover, with tapered insulation where water used to sit.
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