Steel Masters NYC custom fabricates and installs solid steel window guards and security burglar bars for commercial and residential buildings throughout New York City. Every window guard is fabricated to your exact window opening dimensions in our Brooklyn shop at 135 Liberty Ave and installed by our own crew — no off-the-shelf sizing.

Window guards and security bars are a critical security measure for ground-floor and basement-level windows in New York City commercial and residential buildings. Steel Masters has been fabricating custom steel window guards for NYC building owners, property managers, general contractors, and homeowners since 1972 — serving all five boroughs, Long Island, and Westchester.

window guards solid half inch roundbars painted.

New window guards with solid half inch roundbars painted.

window secure guard apartment brooklyn graves end welded custom safe burglar

Custom made welded steel commercial window guards for apartment building, graves end brooklyn

New steel window guards

Solid flat ½” steel bar window guard. (Queens, NY)

Custom window guard design. (Bronx, NY)

Steel welded flat stock window guards.
(NY, NY)

Steel ½” bar bellied window guards. (NY, NY)

Expanded metal steel mesh
window guards. (Brooklyn, NY)

Expanded metal welded steel mesh in angle iron frames with hinges and pad lockable hasps can be made as window guards, security doors, HVAC dunnage protection, or security cage rooms in any shape or form and cut around pipes etc. for commercial, industrial, institution facilities.

Window guards roundbar and flat stock

Three window guards

Why Building Owners and Property Managers Choose Steel Masters NYC for Window Guards

Custom fabricated to your window dimensions — every window guard is built to your exact opening size. No standard sizing, no gaps, no loose fit.

Solid half-inch round bar construction — our standard window guards use solid half-inch round steel bars welded into a flat bar frame — strong, clean, and resistant to cutting or bending.

Multiple bar configurations — vertical bars, horizontal bars, diagonal patterns, and decorative designs available depending on your security requirements and aesthetic preference.

Primed and painted finish — all window guards delivered primed and painted in black or your specified color, ready for installation.

Commercial and residential — we fabricate window guards for retail storefronts, restaurants, apartment buildings, brownstones, warehouses, schools, and government properties throughout NYC.

Over 50 years of NYC ironwork — Steel Masters Inc. has been fabricating custom steel security products for New York City buildings since 1972.

Window Guard Types We Fabricate

Solid round bar window guards are the most common NYC request — vertical or horizontal solid steel bars welded into a flat bar perimeter frame, surface-mounted or set into the masonry around the window opening. Flat bar window guards use flat steel bar in place of round bar — a slightly different aesthetic profile, equally strong. Decorative window guards incorporate scrollwork, geometric patterns, or custom designs for brownstones, townhouses, and commercial properties where appearance matters alongside security. Basement window guards are fabricated for below-grade window openings in commercial and residential buildings — a common request for NYC apartment buildings, retail storefronts, and restaurants with basement-level windows. Security burglar bars are heavy-duty bar configurations for high-security applications — commercial facilities, warehouses, and industrial properties requiring maximum deterrence.

Serving All Five Boroughs, Long Island & Westchester

Our crews fabricate and install steel window guards throughout Brooklyn, Manhattan, Queens, the Bronx, Staten Island, Long Island, and Westchester. We work with building owners, property managers, general contractors, and residential homeowners on projects of every size.

Call us at (888) 577-8335 or contact us online for a quote. Provide your window dimensions and we’ll get back to you promptly.