Photographs
- Complete opening One shot that shows frame, door, header area, and nearby wall so we see the full context.
- Existing hardware Close-ups of locksets, strikes, exit devices, hinges, power transfer, and any readers or keypads.
Security Door Controls
Retrofit Made Easy
SDC has added a new, labor-saving SOLUTION FUNCTION to our award-winning SDCSecurity App. SDC will recommend a cost effective solution with product information links to retrofit the opening for access & egress control locking hardware.
Download the FREE SDCSecurity App now!
Field capture · SDCSecurity App
What to send with your DoorSnap
Clear photos plus structured notes in the app comments help our team match hardware to your opening. Use the SDC Door Checklist below as a reminder of the details that matter on site.
App comments
- Make & model List what is on the door today (manufacturer and model if visible on the hardware).
- Opening dimensions Width, height, door thickness, and lock height / backset if known.
- Opening details Handing, frame type, closer, header, voltage at the opening—use the checklist figures as a prompt.
- Retrofit goal Describe the end state you want (access control, egress, monitoring, etc.).
SDC Door Checklist — reference
Fig. A is page 1 of the SDC Door Checklist; Fig. B is the dimensioning and handing reference.