Place the door track in the middle of the bottom door frame of the shower.
Installing shower door in fiberglass shower.
Without moving the track use a 4 foot level to adjust the jamb until it s plumb.
Make sure the taller.
There are some who would suggest that you should never install a frameless door in a fiberglass shower insert but i have done this in the past with good results.
Attach the door handles and any towel bars.
Fiberglass gelcoat is short for gel coat fiberglass reinforced polyester more popularly known as fiberglass.
Place the shower enclosure in place in your bathroom.
Put on your safety glasses.
Prepare the doors by installing roller and if applicable handle towel bar hardware.
Screw one side of the door frame into place on one side of the shower doorway image 1 and then dry fit the other side of the frame image 2 then the top of the frame into place.
Stick a pencil through the jamb s screw holes to mark the wall.
Acrylic shower walls that install by gluing panels to drywall are not an appropriate substrate on which to install any shower door.
If you have separate pieces spread construction adhesive on the bottom of the pan and set it in place.
Screw in the other side of the door frame image 3.
Hanging the door panels.
Put the finishing touch on your shower door installation.
How to install a door on a fiberglass shower.
Place the glass clamp sweep into place on the door s bottom edge and secure it at the door clamp.
Attach the seal strip to the bottom of the door and cut it to the required length.
Place the rollers on the top frame flange of both door panels and secure them with lock washers and machine screws.
Installing the door panels is easiest from outside the shower.
Place end caps on the tops of the wall channels.
Drive screws through the pre drilled.
On the side of the shower opening that will support the door hold a jamb piece against the wall so that its lower end fits into the base track.
Even if the insert is installed on top of hardiebacker concrete anchors will give you the support you need for hanging a frameless door of a reasonable size and thickness.
Measure the base of the shower doorway so that you can determine the length for the bottom shower door track.