How to Install a One-Piece Shower Tub Enclosure

Written by keith allen
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One-piece shower and tub enclosures offer some great advantages. Without seams between the segments of the enclosure and the tub, the possibility of leaks is eliminated. The major disadvantage is the size of the unit. One-piece shower and tub enclosures are usually used in new construction rather than remodelling projects, though do-it-yourselfers are capable of installing them.

Skill level:

Things you need

  • Shower and tub fixtures
  • Silicone caulk
  • Construction adhesive

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  1. 1

    Place the shower and tub enclosure in the bathroom while the home is under construction. Remove wall studs, if necessary, to allow the enclosure to be manoeuvred through doorways. The unit does not have to set in place at this time but should be placed in the bathroom.

  2. 2

    Set the tub in place after drywall has been hung. Make sure stubbed-in plumbing pipes fit through the appropriate openings in the enclosure. Level the tub, usually not a problem in new construction, and fasten the enclosure in place following manufacturer’s instructions. Some enclosures are glued in place with construction adhesives; others use hidden brackets screwed to the wall.

  3. 3

    Connect fixtures to the plumbing pipes, following manufacturer’s instructions. Test all connections for leaks. Use silicone caulk to seal the junctions of the fixtures and the tub enclosure.

  4. 4

    Install shower doors, curtain hangers and any other trim pieces around the tub enclosure. This step is usually done at the same time other trim work is done in the home as the last step of the construction project.

Tips and warnings

  • One-piece shower and tub are routinely used in new construction. It may be possible to use the enclosure in an extensive remodelling project where walls have been removed. Measure the enclosure to determine if it can be moved into place.
  • While moving the enclosure in to the house during construction allows the large enclosure to be placed in a small space, it does put the tub at risk. Carpenters and plumbers must exercise caution when working around the enclosure to prevent damage.

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