Modified Bitumen Roofing
Modified Bitumen Flat Roof Install & Repair Near You in Albany, NY
Modified bitumen is the proven membrane for low-slope and flat roofs — multi-ply asphalt sheets that flex with New York freeze-thaw cycles. Mastaba Roofing installs and repairs both torch-down (APP) and cold-applied (SBS) systems. Fully insured, 15+ years of Capital Region experience, with $0 down financing up to 140 months.
Modified Bitumen Roofing Install & Repair Done Right
Modified bitumen, or mod-bit, is asphalt reinforced with polymers and built up in layers. A full system starts with a base sheet mechanically fastened or adhered to the deck, adds one or two interply sheets for redundancy, and finishes with a granulated cap sheet that shields the asphalt from UV. Two grades dominate: SBS, a rubberized membrane that stays flexible in cold and is usually cold-applied or hot-mopped, and APP, a plastic-modified sheet that is torch-down welded and thrives in heat. For Albany's freeze-thaw winters, Mastaba Roofing most often specs SBS so the membrane expands and contracts without splitting.
Where mod-bit fails, it almost always fails at the details: laps that were never fully bonded, blisters from trapped moisture, and tired flashings at curbs, drains, and parapet walls. Our crews reinforce every seam, set proper flashing detail at penetrations, and pitch the surface to the drains so water moves instead of ponding. A new multi-ply roof typically runs $6 to $12 per square foot installed depending on tear-off and insulation, while targeted repairs start near $450 — and a well-built system lasts 20 to 30 years. Whether you need a fresh install or a leak chased down, our work is fully insured and backed in writing.
- ✓New SBS and APP install — base sheet, interply, and granulated cap sheet for multi-ply durability
- ✓Repairs for blisters, split laps, thermal cracks, and failed curb, drain, and parapet flashings
- ✓Every install and repair fully insured and backed by a written warranty near you
Warning Signs
When You Need Bitumen Repair
How It Works
Our Modified Bitumen Process
Inspection & Cores
We assess slope, drainage, and pull cores to check for trapped moisture
Written Estimate
SBS vs APP, repair-versus-replace, and $0 down financing options
Install or Repair
Base, interply, and granulated cap sheets — or seam, blister, and flashing repair
Final Walkthrough
Water-test, cleanup, and your written warranty — most jobs finish in 1 to 3 days
Common Problem
Bitumen Blisters & Cracks Become Leaks
Split laps and thermal cracks in modified bitumen look surface-level, but water wicks under the membrane and tracks along the deck. It saturates insulation, rots the substrate, and spreads far from the entry point. By the time a stain shows on the ceiling, the wet area underneath is often several times larger — and far costlier to fix.
Mastaba Roofing Solution
Install, Repair & Restore Mod-Bit
We rebond open laps, cut out and replace blistered cap sheet, and rebuild flashing detail at drains and curbs. When a roof is past saving, we tear off and install a fresh multi-ply SBS or APP system. Granulated surfacing and protective recoats add years of life — all fully insured with written warranty protection.
Fully Insured
Verified Reviews
Free Estimate
Same-Day Response
Transparent Pricing
Starting From
$450
for bitumen seam, blister, and flashing repairs
New multi-ply installs typically run $6–$12 per square foot. Every estimate is free and in writing, with $0 down financing up to 140 months. No hidden fees. No pressure.
Real Reviews From Real Homeowners
What Our Customers Say
“Own a small office building in Albany and the roof was getting rough. Mastaba Roofing handled the replacement and it went way smoother than other construction projects I've dealt with.”
Owusu Dillen
Albany, NY
✓Verified Google Review
“Jeff came out personally, inspected everything, and gave us a fair quote. The crew completed the installation quickly and it looks great!”
Lakshay
Malta, NY
✓Verified Google Review
“Mastaba Roofing heard I needed help and offered to come out the next day! So incredibly grateful. Very kind and professional!”
Jacky
✓Verified Google Review
“We had Mastaba Roofing install a new roof and the process was seamless. Cleaned up perfectly before leaving.”
Adam Hernandez
Delmar, NY
✓Verified Google Review
“Alicia was very organized and the crew worked quickly while paying attention to every detail!!”
Grace Garbarino
Glenville, NY
✓Verified Google Review
“Jeff and Alicia were easy to work with. The crew showed up early, worked efficiently, and left the property spotless.”
Linda Pham
Albany, NY
✓Verified Google Review
“Jeff is honest, reliable, and a great communicator. Issue fully resolved within 48 hours. Quality work you can trust 100%.”
Sierra Mercier
✓Verified Google Review
“Jeff and his crew replaced our roof in one day. Very professional, attentive, and fairly priced.”
Mike Estep
✓Verified Google Review
“Fair quote and they didn't try to upsell me. Just honest, quality work.”
Shea Butler
✓Verified Google Review
“Fair quote, and I enjoyed my sales rep Laurinda. I'll definitely be hiring them!!!”
Carly Losee
✓Verified Google Review
“Own a small office building in Albany and the roof was getting rough. Mastaba Roofing handled the replacement and it went way smoother than other construction projects I've dealt with.”
Owusu Dillen
Albany, NY
✓Verified Google Review
“Jeff came out personally, inspected everything, and gave us a fair quote. The crew completed the installation quickly and it looks great!”
Lakshay
Malta, NY
✓Verified Google Review
“Mastaba Roofing heard I needed help and offered to come out the next day! So incredibly grateful. Very kind and professional!”
Jacky
✓Verified Google Review
“We had Mastaba Roofing install a new roof and the process was seamless. Cleaned up perfectly before leaving.”
Adam Hernandez
Delmar, NY
✓Verified Google Review
“Alicia was very organized and the crew worked quickly while paying attention to every detail!!”
Grace Garbarino
Glenville, NY
✓Verified Google Review
“Jeff and Alicia were easy to work with. The crew showed up early, worked efficiently, and left the property spotless.”
Linda Pham
Albany, NY
✓Verified Google Review
“Jeff is honest, reliable, and a great communicator. Issue fully resolved within 48 hours. Quality work you can trust 100%.”
Sierra Mercier
✓Verified Google Review
“Jeff and his crew replaced our roof in one day. Very professional, attentive, and fairly priced.”
Mike Estep
✓Verified Google Review
“Fair quote and they didn't try to upsell me. Just honest, quality work.”
Shea Butler
✓Verified Google Review
“Fair quote, and I enjoyed my sales rep Laurinda. I'll definitely be hiring them!!!”
Carly Losee
✓Verified Google Review
Common Questions
Modified Bitumen FAQ
What is the difference between SBS and APP modified bitumen?+
SBS (rubberized) stays flexible in cold and handles Capital Region freeze-thaw well, often cold-applied or hot-mopped. APP (plastic-modified) is torch-applied and excels in heat and UV. Mastaba Roofing recommends SBS for most Albany low-slope roofs, then specs base and cap sheets to match your building and budget.
How much does modified bitumen roofing cost in Albany, NY?+
New multi-ply modified bitumen install typically runs $6 to $12 per square foot installed, depending on tear-off, insulation, and access. Repairs start near $450 for sealing seams, re-torching laps, or patching blisters. Mastaba Roofing provides free written estimates and $0 down financing up to 140 months.
How long does a modified bitumen roof last?+
A properly installed two- or three-ply modified bitumen roof lasts 20 to 30 years in our climate, helped by granulated cap-sheet surfacing that resists UV. Lifespan depends on slope, drainage, flashing detail, and maintenance. Mastaba Roofing's inspections and recoats near you stretch that service life even further.
Should I repair or replace my modified bitumen roof?+
If damage is localized, blisters, split laps, or failed flashing, targeted repair is cost-effective. Widespread alligatoring, saturated insulation, or chronic ponding usually means a full tear-off and reinstall. Mastaba Roofing inspects cores, measures moisture, and gives you an honest repair-versus-replace recommendation in writing before any work.
Get In Touch
Get Your Free Roofing Estimate
Serving Albany, Glens Falls, Clifton Park & the Capital Region
Phone
(518) 312-3989Hours
Mon–Sun, 7:00 AM – 10:00 PM
Principal Office
250 Chase Valley RdBroadalbin, NY 12025
Albany Office
300 Great Oaks BlvdAlbany, NY 12203
Clifton Park Office
800 NY-146 Suite 385Clifton Park, NY 12065