NEW CONSTRUCTION
ROOFING NYC
Roofing and waterproofing scopes for new commercial and multifamily developmentBuilt-up, modified bitumen, single-ply, IRMA and liquid-applied โ installed to spec for GCs and developers

Trusted by property owners, developers, public agencies, and institutional clients throughout New York, New Jersey, and Connecticut.
ROOFING SYSTEMS
Installed to the specification, with the manufacturer warranty the spec calls for.
Built-Up Roofing (BUR)
Multi-layer system providing exceptional durability and waterproofing.
- Multiple ply layers
- Hot asphalt or cold adhesive
- Gravel or smooth surface
- Proven track record
Modified Bitumen
Enhanced asphalt roofing with polymer modifiers for flexibility.
- Heat-welded seams
- Puncture resistant
- Weather adaptable
- Fast installation
Single-Ply (TPO, PVC, EPDM)
Lightweight, energy-efficient membrane systems.
- Heat or chemically welded
- UV resistant
- Energy efficient
- Low maintenance
Metal Roofing
Durable, long-lasting metal roof systems.
- 50+ year lifespan
- Fire resistant
- Sustainable
- Modern aesthetics
Liquid-Applied
Seamless, monolithic roofing membrane.
- No seams or joints
- Complex geometry
- Easy maintenance
- Quick application
IRMA Roofing
American Hydrotech system with insulation above the membrane.
- Protected membrane
- Energy efficient
- Extended lifespan
- Ballasted system
NEW BUILDINGS WE ROOFED
5 projects, 46 photographs, all our own crews.
CONSTRUCTION PHASES
Pre-Construction
Design review, material selection, and project planning
- Review architectural plans
- Material procurement
- Crew scheduling
- Safety planning
Deck Preparation
Substrate preparation and insulation installation
- Deck inspection
- Vapor barrier installation
- Insulation placement
- Quality checks
Roofing System
Primary roofing membrane installation
- Base sheet installation
- Membrane application
- Seam welding
- Detail work
Final Details
Finishing touches and quality assurance
- Flashing installation
- Penetration sealing
- Final inspection
- Documentation
BUILT RIGHT
Warranty Protection
Comprehensive manufacturer warranties backed by our installation guarantee
On-Time Delivery
Coordinated scheduling to meet your project timeline and milestones
Expert Installation
Certified installers with decades of commercial roofing experience
Premium Materials
Leading manufacturers including American Hydrotech, Siplast, GAF
Safety First
OSHA-compliant safety protocols and comprehensive insurance
Start Your Project Right
Bring us the drawings โ we bid the roofing and waterproofing scope from the spec.
Related Services
Explore other commercial building solutions L&M self-performs across the Tri-State Area.



