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Window & Door Security Grilles

Secure Your Property Without Sacrificing Style

At Brothers Mariano, we create custom security grilles for windows and doors that strike the perfect balance between strength and style. Whether for your home or business, our steel and wrought iron grilles are designed to prevent intrusion while complementing your property’s architecture. With more than 15 years of experience in metal fabrication and installation, we’re trusted by homeowners, business owners, and contractors across Massachusetts and New Hampshire.

We understand that security features should feel like an extension of your property’s design—not an eyesore. That’s why every grille we produce is handcrafted with precision, using high-grade materials and finished to last for years, both aesthetically and structurally.

Window Door Security Grilles3 - Brothers Mariano Iron Works
Security Grille

Our Window & Door Security Grille Services

Trust us to find a way to make any design dream you have a reality, whether it’s structural or purely decorative.

Residential Grilles

Homeowners looking to enhance both safety and curb appeal often turn to steel and wrought iron grilles. We design and install window grilles that deter break-ins while enhancing the architectural lines of your exterior. For doors, we offer fixed or hinged grille solutions that can be decorative or minimalistic depending on the desired style.

Commercial Grilles

For businesses, security grilles serve as both a first line of defense and a professional architectural feature. We frequently install custom-fitted security systems for storefronts, rear exits, service counters, and access panels. In retail environments, we offer open-face grille patterns that maintain visibility after hours—helping to secure the property while allowing for nighttime window-shopping.

Custom Fabrication and Professional Installation

Each grille system is custom-built based on precise site measurements. Our process begins with an in-person consultation where we evaluate your property, assess your security goals, and offer design input that suits your vision. We then fabricate your grille using high-strength materials like wrought iron or galvanized steel.

Increased Safety Without Sacrificing Visibility

Our grilles act as a strong physical barrier against intrusion while maintaining full visibility through windows and doors. This is especially valuable in retail settings and urban homes where passive security matters.

Low-Maintenance Protection Built to Last

Made from corrosion-resistant metals and finished with long-lasting coatings, our security grilles require very little upkeep. Occasional cleaning is all that’s needed to maintain their function and appearance over time.

Added Curb Appeal

Custom-fabricated grilles can become decorative focal points on your property. When thoughtfully designed, they add detail and texture to facades, often increasing visual value and even attracting interest from buyers or tenants.

Custom Fit for Any Space

We fabricate grilles for windows and doors of all shapes and sizes. Arched, narrow, oversized, basement-level, or double-door entries—we create precise fits that work with your space, not against it.

Why Choose Brothers Mariano for Your Security Grilles

Craftsmanship with 15+ Years of Experience

Every security grille we build reflects our background in high-quality ironwork and architectural metal design. We’ve spent over a decade refining our fabrication techniques to create solutions that are both functional and artistic.

Tailored Solutions for Every Property Type

We don’t believe in one-size-fits-all. Your window or door grille will be custom-fitted to your opening and designed to match your property's aesthetic. Whether you want ornate scrollwork, minimalist lines, or invisible mounting points, we make it happen.

Uncompromising Security Standards

We design every grille to serve as a real deterrent to intrusion. From tamper-resistant hardware to secure anchoring and robust materials, each system is crafted to meet or exceed both residential and commercial security requirements.

Architectural Compatibility

Security doesn’t have to clash with design. Our grilles integrate seamlessly into both modern and traditional architecture. We can match existing fixtures or develop a fresh design that enhances the beauty of your property while providing reliable protection.

Secure What Matters — Without Compromising Style

At Brothers Mariano, we build security grilles that protect, perform, and elevate your property’s design. Whether you need subtle protection for a classic brownstone or robust grilles for a commercial storefront, we’ll create the perfect solution—crafted by hand, built to last.

Contact us today for a free consultation and discover what true custom metal security looks like.

Frequently Asked Questions -
Window & Door Security Grilles Services

Are your security grilles permanently fixed, or can they be opened?

We offer both fixed and hinged grilles. Hinged options can include interior locking mechanisms and can be installed to swing open for window cleaning or emergency egress.

Absolutely. We can design grilles to mirror existing window shapes, decorative patterns, or custom motifs. Our fabricators work closely with you to ensure the aesthetic is consistent with your property’s style.

We commonly work with wrought iron, galvanized steel, and aluminum, each chosen based on the environment and design intent. All materials are offered in a variety of finishes including powder-coated colors for durability and visual harmony.

Yes. All our security grille installations comply with local building codes, and we can also fabricate grilles that meet specific industry or insurance requirements for commercial properties.

Yes. For homes or businesses near the coast, we use materials like galvanized or marine-grade stainless steel and apply coatings that resist rust, corrosion, and salt damage.