Commercial Steel and Fireproof Doors

SNZ Locksmith is your one-stop source for security, durability, and custom door solutions. Whether you're a contractor, builder, school administrator or property manager, our commercial doors are built to perform and protect. If you're outfitting a new apartment building, securing a strip mall storefront, or upgrading school entrances, we are distributors of high-quality steel, fireproof and fire-rated doors in all standard and

custom sizes.

Door Types Offered

Commercial Steel Doors in Nassau County, NY

Durable, impact-resistant, and ideal for high-traffic environments such as schools, offices, and apartment buildings. These doors are designed to stand up to daily wear and provide lasting protection.

This door option offers enhanced strength, security, and long-term value for businesses of all sizes. Built to withstand heavy use, harsh weather, and potential break-ins, they provide superior protection compared to wood or fiberglass alternatives. Their fire-resistant properties also enhance safety and help meet building codes. Steel doors require minimal maintenance and resist warping, cracking, or rotting over time. Additionally, they offer excellent insulation when paired with the right core, improving energy efficiency. With customizable styles and finishes, commercial steel doors can match a building’s design while providing the strength and reliability needed in high-traffic or high-security areas.

Fireproof Doors

Ensure compliance and safety with fire-rated doors. Ideal for stairwells, corridors, and building-to-garage access, our fireproof doors are available in various ratings and sizes.

Metal Doors

Strong, secure, and built to last. Our metal doors are perfect for commercial and industrial applications, offering both function and security. Available in a range of gauges, finishes, and styles for interior or exterior use.

Custom-Sized and Glass-Ready Options

We offer doors in standard or custom dimensions, with the option to be factory-prepped for glass kits and hardware installation for efficient

on-site setup.

Many doors In stock for quick delivery. Contact us today!

Door Accessories and Hardware

We carry an extensive line of commercial-grade door hardware to complete your installation:

• Exit devices and accessories
• Commercial Locksets
• Heavy-duty hinges
• Door closers

Who We Serve

• Contractors and builders
• Schools and educational facilities
• Apartment and multi-family buildings
• Office complexes
• Retail spaces and strip mall units

Why Choose SNZ Locksmith

Whether you are replacing one door or outfitting an entire building, we offer custom solutions and fast turnaround. With three generations of experience, our locally trusted team is here to help you find the perfect commercial door for your project. Contact us today!