Asliding door track wheel door open and close. Otherwise, display racks the door out to the side to get stuck unable to open and close. Door rail is an angle iron welded to a steel plate, wheels along Before installing the door rail concrete, a suitable primer should be applied at the bottom of the rail to keep rust.

1 in place of the sliding door rail and check it is in the correct position. Marks on the door of the orbital position of the concrete, so it can be in the correct position.

2 through the door rail separated by about 16-inch flat steel plate drilled along the length of the railway. Steel drill bit, which is the correct size for your concrete anchor. supermarket freezer the door rail will take a lot of abuse from driving the car in it, so use at least 5/8-inch concrete sleeve.

3 Insert the specific location of the steel gate of the railway behind. supermarket freezer commemorate each door rail will be fixed in the location of the concrete hole. Use the black permanent marker to indicate to the inside of the concrete hole.

4 Preparing the size of the anchor with a hammer drill concrete drill bit. A drill on a painter's tape to ensure that the required depth of the anchor. This should be a concrete anchors and steel plate thickness, plus a 3/8 inch length.

5 drill and hammer drill concrete anchor holes. To maintain continuous operation drill, your drill. Any dust blowing holes you drill all the holes. The use of compressed air.

6Click to concrete drilling concrete anchors. Check that the anchor is moving in the right direction.

Security doors railway concrete, supermarket automatic gates with a socket wrench to tighten the bolts and washers concrete anchor.