About Ali Firestop
Ali Firestop is one of New York City's most trusted names in passive fire protection. Founded by industry veterans with decades of hands-on experience, we have built our reputation on one principle: doing the job right the first time, every time.
We serve general contractors, building owners, property managers, and developers across Manhattan, Brooklyn, Queens, the Bronx, and Staten Island. From high-rise commercial towers to mid-size residential buildings, our team has delivered code-compliant firestopping and fireproofing solutions that stand the test of time — and the scrutiny of NYC inspectors.
Our Mission
Our mission is simple: protect people and property through certified, reliable, and professionally installed passive fire protection systems. We treat every project — regardless of size — with the same level of care, precision, and accountability.
Why Ali Firestop
- NYC-Licensed and Fully Insured — We carry all required New York City contractor licenses and comprehensive insurance coverage.
- Certified Installers — Our crews are trained and certified in UL-listed firestopping systems and AWCI fireproofing standards.
- Code Experts — We know the NYC Building Code inside and out, ensuring your project passes inspection without costly callbacks.
- Responsive & Reliable — We understand construction timelines. Our team shows up on schedule and completes work on time.
- All Five Boroughs — Manhattan, Brooklyn, Queens, the Bronx, Staten Island — we work citywide.
Our Certifications & Affiliations
Ali Firestop works with UL-listed firestopping products and follows ASTM E814, ASTM E1399, and NFPA 101 Life Safety Code standards. Our installers are regularly trained on the latest firestopping and fireproofing systems to ensure quality and compliance on every project.