Protecting Foundations & Elevating Property Perimeter Architecture.
Continuous on-site seamless gutter fabrication, high-capacity leaders, storm water routing, and bespoke horizontal cedar and composite security fencing anchored in solid masonry piers.
Built specifically to withstand New York’s rigorous structural and environmental demands.
Uncontrolled roof runoff is the primary culprit behind flooded NYC basements, cracked building foundations, and stained exterior masonry. Simultaneously, a property's perimeter fencing and gates define security, privacy, and street-level elegance. Green Building Construction LLC provides integrated exterior water management and perimeter construction: fabricating heavy-gauge seamless aluminum and copper gutters on-site, connecting leaders to legal drywells or storm tie-ins, and building custom horizontal privacy fences anchored in frost-depth reinforced concrete footings.
Specialized Trade Divisions
Full in-house tool and crew inventoryAuthentic Craftsmanship. Verified Project Photos.
Direct evidence of our teams working across New York residential rooftops, brownstone facades, concrete flatwork, and luxury interiors.
What’s Included in Every Project
We believe in complete line-item transparency. Here is exactly what our crews deliver at each phase of your project.
Hydraulic Roof Runoff Calculation
Calculating roof surface square footage and storm volume to size gutter capacity and leader quantities correctly.
Continuous Seamless Extrusion Onsite
Fabricating exact-length continuous gutters from heavy-gauge aluminum or architectural copper straight from our mobile extrusion rig.
Heavy-Duty Internal Bracket Anchoring
Securing gutters every 24 inches with heavy-duty hidden screw hangers driven deep into the roof rafter tails, pitched 1/4 inch per 10 feet.
Downspout Routing & Storm Discharge
Installing heavy-duty leaders routed into below-grade drainage pipes, drywells, or dedicated foundation splash diverters.
Frost-Line Fencing Foundation & Assembly
Digging post holes below 42 inches, pouring reinforced concrete piers, and constructing custom horizontal tongue-and-groove fencing panels.
Premium Grade Architectural Products
Predictable 4-Stage Project Sequencing
How we move your property from initial inspection and municipal filings to watertight sign-off.
Drainage Audit & Boundary Survey
We inspect roof drip edges, fascia boards, foundation grade slopes, and property boundary lines.
Custom On-Site Fabrication
Our mobile workshop extrudes seamless gutters cut to exact roof eaves dimensions, eliminating seams that fail over time.
Installation, Pitch Alignment & Brackets
Hangers are mechanically fastened, expansion joints sealed with silicone, and downspout elbows securely anchored to the brick or siding.
Fencing Erection & Water Flow Testing
Setting fence posts in concrete, installing horizontal privacy slats, and conducting hose flow checks to verify rapid gutter drainage.
Selected Project Highlights
Fieldston, Bronx, NYCopper Gutters & Historical Downspout System
Scope: Fabricated and installed 280 linear feet of half-round 16oz copper gutters with round leaders and ornamental conductor heads.
Outcome: Restored landmark home's historic drainage with a patina that will last over 75 years.
Forest Hills, Queens, NYModern Horizontal Cedar Privacy Fencing
Scope: Poured 18 concrete frost footings and constructed 120 feet of 6-foot horizontal clear cedar fencing with integrated perimeter lighting.
Outcome: Complete outdoor acoustic privacy and enhanced perimeter security.
Frequently Asked Questions
Clear answers regarding permits, timelines, costs, and materials for Architectural Gutters, Leaders & Custom Fencing.