Wall flashing
Flashing that runs up the wall and under metal so wall joints stay dry.
Flat Roofing
Modified Bitumen Roofing Caldwell, NJ
A local roofing contractor in Caldwell can handle modified bitumen, whether the sheets are torched, self-adhered or set in cold adhesive, after checking the deck, the drainage and what is left of the old roof. Dial (862) 399-1003 to talk through modified bitumen with a local roofer.
Modified bitumen, often shortened to mod bit, is the modern descendant of the old tar and gravel roof, with polymers added so the asphalt stays flexible. Sheets come in SBS, a rubber-modified type that handles cold well, and APP, a plastic-modified type made for torching. With two or three plies, the finished roof is thick and puncture resistant.
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 and cold-adhesive systems avoid the flame and are often chosen for homes and occupied buildings.
Knowing the signs makes the first conversation more useful. Watch for raised blisters, alligator cracking, bare patches and open laps, especially near walls and drains. Also mention any past coatings or cement patches, which the roofer will need to deal with.
Many modified bitumen roofing calls in Caldwell also turn up a need for flat roof replacement or flat roof repair.
Looking for Caldwell modified bitumen roofing? Call (862) 399-1003 and describe the problem to a roofer who works in Caldwell.
Call nowThe process
What a mod bit roof job involves
A mod bit roof goes on in layers, starting with a sound base.
Inspect the roof
A core cut and a walk of the roof show how many layers exist and whether moisture is trapped. That decides between a tear-off and laying new plies over a sound, dry existing roof.
Tear off old roofing
On a tear-off, everything comes down to the deck and damaged plywood or planks are replaced. Rigid insulation and tapered crickets go down next to improve drainage.
Lay the base sheet
A smooth base sheet goes down first, fastened or adhered depending on the deck. The roofer offsets the laps so no seam sits directly over another.
Apply the cap sheet
A cap sheet with mineral granules is applied over the base sheet. Lap edges are checked for a continuous seal, and loose granules are pressed into any bleed-out.
Flash the details
Walls, curbs and penetrations get reinforced flashing plies that run up and are capped with metal. New drip edge or gravel stop and properly set drain flashings finish the edges.
Final check
Once the roof is done, the crew checks every lap, cleans up and keeps a fire watch if torches were used. The last step is a full walk to confirm laps and flashings are sealed.
What is included
What goes into a mod bit roof
Base ply
A fastened or adhered base layer laid with laps offset from the cap.
Cap sheet
A top ply surfaced with mineral granules to shield the asphalt from sun.
Drain flashing
Gravel stop or drip edge at the perimeter set into the membrane plies.
Insulation
New insulation where the roof is torn off to improve drainage and efficiency.
Related service
Torch Down Roof Repair Caldwell, NJ
Torch down roof repair fixes the leaks that develop in torch-applied modified bitumen: open laps, blisters, splits and failed wall flashing. 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. Granules are pressed into any exposed asphalt so the patch is protected from sun.
Torch work on an occupied home in Caldwell needs extra care, especially near wood fascia, siding and attic vents. Many roofers switch to self-adhered or cold-applied patches in tight spots where an open flame is a risk. After torching, a watch period for smoldering material is standard practice.
Related service
Built Up Roofing Caldwell, NJ
Built up roofing, often called tar and gravel, is the older cousin of modified bitumen: alternating layers of roofing felt and hot asphalt or coal tar, topped with gravel. When the gravel thins out, the asphalt below dries, cracks and blisters. They are durable, but they show their age at the flashings and in blistered or bare areas.
For Caldwell 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. Common replacements include modified bitumen and single-ply membranes.
Local help
Modified Bitumen Roofing Near Me
Around Caldwell, mod bit replaced a lot of old tar and gravel roofs years ago, and many of those are now due for work. From Caldwell out to Roseland, Pine Brook, Glen Ridge and Totowa, roofs range from aging two-ply systems with worn granules to newer self-adhered roofs on additions, so a check of laps and flashings every year or two catches small trouble early.
Searching for modified bitumen roofing near me from Caldwell or Roseland, Pine Brook, Glen Ridge and Totowa? Call (862) 399-1003 to talk to a roofer who works in your part of town.
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. Heat escaping from the attic melts snow on the upper roof, and the water refreezes at the colder eaves, which is how ice dams form and back water up under the shingles. Coastal storms and heavy spring rain drive water sideways into flashing, valleys and old chimneys. That is why roof repair in Caldwell is busiest after a hard winter and before the next one.
Why call
Why act early
Less damage
A roof problem fixed early rarely spreads to the decking, the insulation or the ceilings.
Familiar with local homes
Roofers in Caldwell know the roof types and weather wear common in local homes.
Clear next steps
Ask the roofer about the cause, the options and the estimate before work starts.
Modified Bitumen Roofing questions
Is torch-down roofing safe?
The open flame is the main concern with torch-down roofing. Experienced roofers avoid torching directly on wood decks or near combustible edges, fasten the base sheet over wood instead of torching it, and keep a fire watch after the work. Where flame is a concern, peel-and-stick sheets are a common alternative.
Can a mod bit roof be coated?
A coating can extend a modified bitumen roof that is aging but still dry and sound. Loose granules are cleaned off, blisters and open laps are repaired and a primer may be needed to keep asphalt from bleeding through. White coatings reflect sun, which helps the asphalt last.
Do I need a tear-off for a new mod bit roof?
What is already up there sets the answer. If there is a single, dry, sound roof, a recovery board and new mod bit may go over it. Two existing roofs, wet insulation or widespread blistering call for a full tear-off.
What is the lifespan of a torch-down roof?
Expect roughly 15 to 25 years from a well-installed modified bitumen roof. Roofs that drain well and keep their granules last longest. Some owners extend the roof with a coating once granules start to thin.
How does mod bit compare to tar and gravel?
Both are asphalt roofs built in layers, but they are made differently. Mod bit replaces the many felts of a built up roof with a few thick polymer sheets, and it skips the gravel. The polymer sheets stay flexible in cold and are easier to repair.
More questions? Call (862) 399-1003
Other services that may help
Flat Roof Replacement
Full replacement of failing flat roofs, with a moisture survey deciding tear-off or recover, and new flashing at every wall, curb and drain.
Learn moreFlat Roof Repair
Flat roof repairs matched to the membrane, whether EPDM, TPO, PVC, modified bitumen or built-up, with the patch made from material that bonds to what is there.
Learn moreTPO Roofing
White, heat-welded TPO single-ply roofing for low-slope homes and buildings, sized to the deck, the drains and the way the roof is used.
Learn moreCommercial Roof Replacement
Full replacement of membrane, built-up and metal roofs on commercial buildings, from core cuts to closeout.
Learn more
Looking for something else?
See all roofing servicesTalk to a Caldwell roofer about modified bitumen roofing
Call now for Caldwell modified bitumen roofing and help in the towns around it.