Top General Construction Services in New york
Get the best general construction services for commercial, industrial and residential projects
Construction and Renovation Services in New York City
Sigma Builders provide residential, commercial and industrial refurbishment and construction services across New York City. Having more than 30 years of experience in this industry we match your expectations by skilled craftsmanship, effective project management and precision. Our services include water
Our Core Services
General Building Contractor NYC
We handle brand new construction projects from scratch. Whether it’s a commercial, residential or industrial building, our expert team provides professional site coordination, structural work and final hand over.
Interior Remodelling and Fit-Out
We are the best interior renovation contractors NYC has to offer. We transform your idea of a perfect office or residential space into reality. From modernising offices, apartments or retail stores to full fill-outs including ceilings, flooring, lightings and partitions, Sigma Builders has got you covered.
Facade Renovation and Brick Pointing Services
The exterior of a building speaks volumes. Our facade renovation, parapet wall design, brick pointing and finish upgrades enhance the aesthetics and durability of your building.
Waterproofing Contractors NYC
Our waterproofing services in New York City protect your building from moisture damage and water infiltration. Our waterproofing services consist of basement, parking structure and facade waterproofing as well as roof leakage repair. We use advanced materials and techniques like injection systems and liquid rubber membranes.
Top Roofing Services
We offer complete roofing services, from asphalt shingle installation to attic roof insulation services, for private homes, commercial buildings and multi unit buildings. Rest assured because Sigma Builders manages everything from design, material selection, installation to final inspection.
Fire Escape Repair and Scaffolding Services
Your safety is our first priority and is critical when it comes to New York’s building environment. We provide top fire escape repair, scaffolding, parapet wall designs and compliance with the local laws such as Local Law 10/11 (facade inception and security).
Electrical, HVAC & Mechanical Services
We include mechanical systems work, electrical contracting, HVAC (heating, ventilation and air-conditioning) installations to finish your building project. This guarantees that your construction is comfortable for users, completely practical, and energy-efficient.
Concrete Work
With Sigma Builders you get professional roof concrete work, parapet walls and structural reinforcements to ensure durability and stability for the long term.
What We Offer in Waterproofing Contractors?
- Shut-off Waterproofing
- Foundation Waterproofing
- Basement waterproofing
- Injection waterproofing
- waterproofing repairing
- Roof waterproofing
- Parking waterproofing
- Micro cement injection
- waterproofing bushings
- Tank Waterproofing
- polymer waterproofing
- Base/plinth waterproofing
What We Provide in Roofing Services:
- Repair roof of a private house
- Dismantling the roof
- Installation of metal tiles
- Attic roof insulation
- Cleaning the roof from snow
- Wooden house Insulation of the roof of a wooden house
- Dismantling a soft roof
- Repair of garage roofs
- Roof insulation with mineral wool
- Installation of seam roofing
- Repair of roofs of an apartment building
- Flat roof repair
- Roof installation with profiled sheet
- Repair of welded roof
WORK STAGES
- Roofing works are installed in the following sequence:
- Blank: At this stage, calculations, design, selection of materials, and purchase are performed. Approach the task responsibly since the implementation of the subsequent stages depends on it.
- Preparation of the base: For roofing, must remove the old covering.
- Mounting: The first step is to mount the coating (slate, flexible bituminous tiles, metal tiles, other materials).
Our Process: General Contractor Services
Consultation and needs assessment
We begin with a thorough discussion of your budget, timeline, building state, and objectives.
Diagnostics & Design
For renovation or repair such as waterproofing, facade repair, we use the latest technology to carefully diagnose and adapt the scope correspondingly.
Planning & Material Selection
To meet your criteria, we develop schedules, project plans and pick premium materials.
Execution & Supervision
With consistent supervision, quality checks on workmanship, and site coordination, our trained craftspeople build the structure.
Inspection & Handover
Once finished, we carry out last inspections, make sure all regulatory or client standards are satisfied, and deliver a completed, compliant space ready for occupancy.