Drill the screw holes with a 6 mm bit.
Wrap the threads on the nipple with Teflon thread tape.
Seal the wall around the nipple
with waterproof sealant.
Failure to seal the wall can lead
to possible water damage.
Install the anchors.
Seal the wall around the anchors
with waterproof sealant.
Failure to seal the wall can lead
to possible water damage.
Install the showerarm using the screws.
Press the cover into place.