Hollow Metal Door Supply, Install & Repair
From standard steel doors to fire-rated assemblies and custom security doors — Nextgen's team handles every hollow metal door application across the GTA with 30+ years of expertise.
The GTA's Hollow Metal Door Experts
Hollow metal doors are the backbone of commercial and industrial security. Whether you need a single replacement door, a full building-wide fire door program, or an emergency repair after a break-in, Nextgen Door Systems has the experience and inventory to deliver fast.
We supply and install hollow metal doors from 14-gauge to 20-gauge steel, in standard and custom sizes, for every application — interior, exterior, fire-rated, insulated, and high-security. All installations meet Ontario Building Code, ULC, and NFPA 80 requirements.
Our founder Ahmed has over 30 years of hands-on experience with hollow metal assemblies and personally oversees every complex installation. Nextgen and his team bring that same expertise to every job — big or small.
Our Hollow Metal Door Services
- New hollow metal door and frame supply & installation
- Fire door inspection, certification, and compliance
- Damaged door frame repair and realignment
- Door hinge replacement and reinforcement
- Door closer installation and adjustment
- Lockset, panic hardware, and exit device installation
- Weatherstripping and door sweep replacement
- Door replacement in existing frames
- Custom-size hollow metal door fabrication
- Emergency repair for kicked-in or forced-entry doors
Types of Hollow Metal Doors We Handle
Every gauge, every rating, every configuration — we source and install the right steel door for your specific application.
Standard Hollow Metal Doors
Single and double hollow metal doors in 14 to 20 gauge steel for interior and exterior applications. Available in flush or stile-and-rail styles to suit any commercial building.
Fire-Rated Steel Doors
UL-listed fire-rated hollow metal doors with ratings from 20 minutes to 3 hours. Installed with rated frames and hardware to meet Ontario Building Code and NFPA 80 requirements.
Security & Detention Doors
Heavy-gauge steel doors engineered for high-security environments such as server rooms, vaults, storage areas, and institutional facilities. Reinforced frames and multi-point locking available.
Hollow Metal Frames
Steel door frames for masonry, drywall, and existing openings. Knocked-down (KD), welded, and slip-on frames custom-fabricated to fit any rough opening size.
Insulated Hollow Metal Doors
Thermally broken and polyurethane-insulated steel doors for exterior applications where energy efficiency and climate control matter — ideal for cold storage, loading docks, and exterior entries.
Louvred & Vision Panel Doors
Hollow metal doors with integrated louvres for ventilation or glazed vision panels for sightlines — commonly used in mechanical rooms, school corridors, and healthcare facilities.
Common Applications
Office Buildings
Stairwells, mechanical rooms, service corridors, and tenant suites.
Fire Exit Corridors
Code-compliant fire-rated openings throughout multi-storey buildings.
Secure Areas
Server rooms, pharmacies, vaults, and restricted access zones.
Industrial Facilities
Warehouses, plants, and logistics centres requiring heavy-duty doors.
Fire-Rated Certified
ULC and NFPA 80 compliant installations
Licensed & Insured
All work backed by full liability coverage
30+ Years Experience
Hollow metal specialists since day one
We Serve the Entire
Greater Toronto Area
From downtown Toronto to Hamilton, our certified technicians are always nearby. We provide fast, same-day response across the GTA and surrounding regions.
Our Base Location
1881 Lawrence Ave E, Scarborough, ON M1R 2Y3
Areas We Cover
Don't see your area? Call us — we may still be able to help.
Need a Hollow Metal Door? Let's Talk.
From single door replacements to large-scale installations — get a free, no-obligation quote from Nextgen's team today.