Service Made Easy!

One Call To Service It All 

Service You Can Count On!

SLD provides experienced service personnel for any type of situation, including but not limited to:

  • Automatic Door Operators, Swing & Sliding Doors
  • Electronic Hardware & Accessories
  • Mechanical Hardware & Accessories
  • Fire Rated Hardware & Accessories
  • Hollow Metal Doors & Frames
  • Cylindrical, Mortise & Exit Device Locking Hardware
  • Keys, Cylinders & Padlocks
  • Cabinet, Desk & Office Furniture (Cam Locks)


Here’s how SLD ensures peace of mind:

Same Day Service

Security is top of mind and not all service requests can wait a day or two for repair. If you have an emergency, SLD will be there same day, often within a 4-hour window of your request! 

Experienced Staff

With 70 years of service, SLD staff are experienced. All staff go through rigorous training to solve any service request that comes our way. With multiple levels of expertise, our staff encompasses mechanical, electronic, electromechanical and automated hardware service professionals. 

Know How

The knowledge to repair the current hardware, combined with the expertise to advise how to prevent future hardware failures.

Easy To Work With

Simply send photos to [email protected] and describe the issue at hand, we will respond right away with service options for your consideration. 

Budget Concious

Good, Better & Best hardware options available. Ranging from Grade 3 to Grade 1, hardware to fit most budgets!


30 Day workmanship guarantee for labour services provided. Manufacturer’s warranty on all hardware supplied by SLD.

Efficient Proposal Processing

In a world where proposals often come first, SLD can provide service budgets within hours of most requests.

Preventative Maintenance

Weekly, Monthly, Quarterly, Annually or customized preventative maintenance programs are available at a cost effective rate. Prevent future problems by maintaining what is in place. 

Downtime Is A Downer!

Why wait hours, days or weeks to resolve an issue?

SLD Can:


  • Attend for same day emergency service
  • Secure or gain entry with ease
  • Rectify and improve on existing hardware solutions
  • Problem solve for future reliability
  • Provide peace of mind when securing any facility


Maintenance is Mandatory!

With the help of SLD, we can develop a customized preventative maintenance schedule for any facility.

  • Hardware/openings itemized for maintenance
  • Maintenance interval
  • Expert service 

By attending ahead of the failure, the problem is easily avoided. 

Stop last minute emergencies from occurring, simply by partnering with SLD!





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Head Office

10 – 6965 Davand Drive
Mississauga, Ontario
L5T 1Y6

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Total Opening Solutions Since 1950!

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