The industry standard of industrial or commercial steel door. They are assembled using a locking seam edge and can be insulated with a variety of cores which can increase fire rating, durability, along with security. These doors are highly versatile and can be customized to fit countless hardware applications.

45min up to 3hrs*

R3 to R11**

up to STC 45

ASTM A653-B
High traffic areas that require durability and reliability such as:

Customizable to fit a wide range of applications and environments. Available in various sizes, configurations, and finishes to meet specific requirements, whether it’s for industrial warehouses, commercial buildings, or security enclosures.

Durable and resistant to wear, tear, and corrosion. The galvanized steel construction provides protection against rust and deterioration. They are also resilient to high moisture exposure, chemicals or harsh weather conditions.

Excellent security against unauthorized access and intrusion. Suitable for high security areas such as warehouses, storage facilities, utility enclosures, and commercial buildings where protection of assets and property is paramount.

Lock Seam Steel Doors are available in a multitude of thicknesses ranging from 20 Gauge to 14 Gauge steel.
Lighter and more economical. Suitable for less demanding applications where security and durability are not a primary concern.
Lock Seam Steel Doors are available in various core insulation options to fit your
specifications for fire rating, energy efficiency and acoustics.
We offer 2 additional edge finishing options to all our steel doors. They are optional and depend on preference for added longevity or a smoother, visually pleasing finish.
Our tack seamed doors offer a tack welded edge on the lock seam for added durability.
This option offers the same tack welded edge, followed by body filling to create a smooth seamless finish.
Whether you need visibility, air circulation or want natural light to come through, our door elevation* options allow you to meet any need or style.
* Door elevations refer to the various lite cutouts when specified by the architect.
Doors with a lite cutout will be supplied with either a snap-in glazing kit or screw-in thermal kit, depending on specifications (glass is to be supplied and installed by others).
See our resources page for technical information.
Unless specified otherwise, the location of hinges, locks, exit devices, push / pull plates, closers etc. will be as per All Steel Doors 2000 standard locations. Refer to this table for our standard hinge locations or
contact us at 416-297-8500 or frontdesk@asddoors.com for more information.
Need more information on this door’s capabilities, specifications or custom options? Want to distribute our steel doors?
130 Milner Ave, Scarborough, ON M1S 3R3, Canada.
Contact
Phone: 416-297-8500
Toll Free: 1-877-353-0937