Press down on the guide roller to line it up with the overhead track.
Installing bifold doors on concrete floor.
Lift up on the door and sit the bottom pivot pin into the proper hole or slot inside the l bracket.
Mark those locations using a marker.
Allow the floors to dry completely.
Position one pair of bifold doors at the opening with the stabilizer pins at the jamb side.
Mix the concrete floor cleaner with warm water.
Use a large bucket big enough for a string mop.
Pull out the track for your bifold doors.
Insert the bottom pin into the hole of the.
I enjoyed john spier s article on installing pre hung doors what about when the floors will be carpeted.
Hold the door in the opening at a slight angle and push the top pivot pin on the door s outer edge into the bracket inside the overhead track.
The pins are designed to install one way.
Repeat the track layout and anchoring procedure for the top track and hoist the sliding doors between the tracks to complete the installation.
Kneel down and measure the bottom of the door opening using a tape measure.
Locate the top and bottom tracks for your sliding door kit and lay them on the floor.
Depending on the weather conditions it can take up to 72 hours for the concrete floors to dry completely.
Insert the top pin into the hole on the pivot bracket.
John spier owner of spier construction a building and remodeling company on block island r i responds.
Clean the floors with a string mop.
Step 2 measure for holes.
Measure each track and determine where they require cutting for fitting the door.
Use the drill to drive concrete screws through the track s holes and into the starter holes.