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This video is to bring you a closer look at the National Guard Products 804VDKB. This is a threshold. The 804 is representative of this profile and this is called a latch track or bump up or called a panic style threshold. National Guard calls it a bumper seal. The V in the part number stands for vinyl and that is the insert that you are going to get with the 804. The DKB is a reference to Dark Bronze and that means that the aluminum extrusion has a dark bronze anodizing on it. Also the absence of a letter after the V infers mill finish aluminum. So just the 804V means it will get you this in mill aluminum. 804VDKB is dark bronze. A very common threshold. Why would you want this on a single door? Well, it is going to give you a great positive seal down at the bottom and the door is going to close and it is going to bump up and door is going to close and you will be in good shape. I prefer using this along with a door sweep on the outside. I want to stop that water right out here and allow myself the convenience of having two lines of defense both outside and inside and that is where having a bump up seal excels. There are some downsides to it obviously. You’ve got a higher non ADA compliant sort of profile. You have hand cart or traffic going over it you’ve got something here, but where you are going to see this and as a double door threshold as well is at big box stores on the back wall. It is going to have sets of double doors for emergency exits. Those doors are hardly if ever opened. They are opened in emergencies and to test the operation of whatever sort of system that might be connected to that opening. Why is that good? Well, you are going to have your door so you’ve got a second line of defense here and that is good for weatherstripping, but those doors are typically emergency egress doors. The panic or latchtrack phrase comes from the fact that this profile here can be used as a strike substitute for the bottom latch of a surface vertical rod exit device. That allows you to neatly and conveniently attach your exit devices to your doors and therefore to the threshold with this sort of profile. Its dimensional properties are absolutely what you would see used in a common hollow metal door and frame application. Industry standard calls out a 3/4″ undercut. This threshold while not only 5″ wide which is incredibly common as it pertains to widths of thresholds, but you are dealing with a 1/2″ height over here which is a bit hard to see and an overall which I believe is 7/8″ so that is just perfect for those installations where you have typical and common hollow metal doors and frames. I’ve seen it installed in side doors, gas stations are going to have these same sorts of doors and really anywhere. I think they are a great threshold if you don’t have to be ADA compliant and you can deal with this ridge and it is incredibly important to have a good seal, then this is a good way to go. Available in different lengths. If you have need for a custom length, by all means let us know by ordering the next longest piece or pieces and indicate in the comment field what length you would like for us to cut the material back to. The reasoning is that if you had to take this 48″ piece and cut it down to 42″, you would eliminate that countersink that is here. Speaking of that countersink, screws are included in a complementary finish. They are about #10 x 1-1/2″ or something in that range. If you had to cut it down, you would not only lose that countersink, but you would be stuck cutting it, drilling another hole and countersinking it as well. I can’t tell you that every time I see a failed installation, it is because of a poor screw mount either from not countersinking a hole that has been drilled and the screw can’t do its job to hold it down. Although I like this threshold a lot because of these little serrations that are here and here and that really helps the threshold dig in and resist those lateral forces that make a threshold move and work to compromise the screws and anchors that are holding it in and that sort of thing. So anyway, if you order a custom length, we will not only locate that first countersink at the proper distance from the edge, but the proper center to center as well. The name National Guard is synonymous with all things weatherstripping related but not only thresholds like this, but perimeter gasketing, door sweeps, material made of aluminum, stainless steel, and architectural bronze. If you have any questions on the National Guard 804VDKB bump up style threshold or any other National Guard products item, please feel free to reach out to us. Thank you.