Door Size Up #10

This door is on the backside of a single story “L” shaped strip mall.  The store is used as an army surplus outlet.  Run down the key size up points and see what you think. The double doors are set in masonry construction.  What else do we see?

  1. Metal frame and metal jamb
  2. Outward swinging double metal doors
  3. Primary lock is key in knob
  4. Carriage bolt pattern on both doors indicative of a drop bar
  5. Carriage bolt pattern 18” above the lock suggestive of a hasp or possible slide bolt

The interior view of this door shows us what we are up against.  As we predicted we have a key in knob lock and a drop bar with a hasp that is padlocked.  There are several interesting points about this door.  As we could tell by the exterior picture, the seam where the doors come together has a wide gap (approximately 1/2”).  The occupant has attached a 1/8” piece of steel that runs the length of the doors to prevent anyone from trying to lift the drop bar out of place or manipulate the primary lock. These strips on the back of the door come standard on many double door setups, but many times occupants will fabricate their own to increase the security. This is the main reason you should force the lock side door when doing double doors. You want to force the one that closes last because that metal strip acts as a stop for the main door. If your pry on the secondary door you will be working against that strip.   Secondly, the drop bar is 1/4” steel that rests on two brackets on either door.  The weight and placement of the drop bar will be beneficial to us when we start to force entry.  The weight of this bar could be an advantage as we drive the carriage bolts through because it may cause the brackets to fail even quicker. Another thing to remember on double doors is to force the bolts on the primary door first, don’t waste your time taking all the bolts out across the whole door because it is not needed.  Also, note where the drop bar ends.  It only extends the width of the frame, greatly decreasing the degree of difficulty.  Lastly we have the hasp that is padlocked together.  This may offer a little more resistance because the lock is elevated slightly and will cause us to lose a little leverage when we force the door.  It should not be anything that we can’t overcome using the irons.

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4 Comments on “Door Size Up #10”

  1. Nick Says:

    Do you think you are going to have to force the carraige bolts for the hasp or could that be defeated through conventionally forcing the door?


    • I didn’t see this specific hasp up close because one of the other Irons and Ladders guys took this picture. However depending on the hasp most of them have some weak components to them. We have had a lot of hasps fail when trying to force a padlock with the irons and instead of the padlock failing the hasp breaks off. It is definitely worth attacking the hasp conventionally before you move on to other tactics.

  2. R-Fr Says:

    Can’t you just mule kick that?


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