How to Install a Linear Shower Drain


Effendi Linear Shower Drain with Drain Flange in Matte Black for linear shower drain installation Effendi Linear Shower Drain with Drain Flange in Matte Black for linear shower drain installation

Ready to install your linear shower drain? Before you begin, be sure to read the instructions below carefully. Observe all local plumbing and building codes when installing your shower drain. If you are unfamiliar with installing bathroom fixtures and plumbing, we recommend consulting a professional.

Note: For the following instructions, it is assumed that the shower pan and drain flange coupling are already in place. Your application and conditions may call for variations to these procedures.

Tools & Materials


  • Thinset

  • Silicone Sealant

  • Pea Gravel (32 ounces)

  • Level

Tools & materials for linear shower drain installation - thinset, silicone sealant, pea gravel, level

Linear Drain Installation

Step 1 - Insert rubber drain gasket into the drain flange coupling. Insert the drain outlet into the rubber gasket

Step 1

Insert the rubber drain gasket into the drain flange coupling.

Insert the drain outlet into the rubber gasket and place in the desired position. Adjust or remove the drain feet if necessary.

Step 2- place pea gravel over the drain flange coupling weep holes to prevent mortar from filling and blocking the holes

Step 2

Place pea gravel over the drain flange coupling weep holes and around the perimeter to prevent mortar from filling and blocking the holes.

Step 3 - Apply mortar over the waterproof shower pan liner starting from the drain and continuing to the wall

Step 3

Apply mortar over the waterproof shower pan liner, starting from the drain and continuing to the wall. Using a level, create a 1-2° slope from the wall to the drain.

Note: Be sure to leave room for final thinset and tile application. The top of the drain should be level and 1/16" below the adjacent tile.

Step 4 - Allow mortar to cure per the manufacture's specifications

Step 4

Allow the mortar to cure per the manufacture's specifications.

Step 5 - Apply sealant around the drain to fill in any gaps between the drain and tile

Step 5

Once the tiling and grouting are complete, apply a thin bead of silicone sealant around the drain to fill any gaps between the drain and tile.

Step 1 - Insert rubber drain gasket into the drain flange coupling. Insert the drain outlet into the rubber gasket

Step 1

Insert the rubber drain gasket into the drain flange coupling.

Insert the drain outlet into the rubber gasket and place in the desired position. Adjust or remove the drain feet if necessary.

Step 2- place pea gravel over the drain flange coupling weep holes to prevent mortar from filling and blocking the holes

Step 2

Place pea gravel over the drain flange coupling weep holes and around the perimeter to prevent mortar from filling and blocking the holes.

Step 3 - Apply mortar over the waterproof shower pan liner starting from the drain and continuing to the wall

Step 3

Apply mortar over the waterproof shower pan liner, starting from the drain and continuing to the wall. Using a level, create a 1-2° slope from the wall to the drain.

Note: Be sure to leave room for final thinset and tile application. The top of the drain should be level and 1/16" below the adjacent tile.

Step 4 - Allow mortar to cure per the manufacture's specifications

Step 4

Allow the mortar to cure per the manufacture's specifications.

Step 5 - Apply sealant around the drain to fill in any gaps between the drain and tile

Step 5

Once the tiling and grouting are complete, apply a thin bead of silicone sealant around the drain to fill any gaps between the drain and tile.

Common Questions About Linear Shower Drain Installation

Where is the best place to put a linear drain in a curbless shower?

In curbless showers, linear drains are often placed either at the shower entrance or along one of the shower walls, as this option requires only one slope towards the drain system. Apart from this, your linear drain placement comes down to your preference of water flow direction and desired look.

How far off the wall should a linear shower drain be?

Most linear shower drains can be as close to the wall as you’d like, permitted the drain grate is removable and all steps of installation can be complete without the wall getting in the way.

Does a shower drain pipe need a slope?

For water to run away efficiently, a shower drain pipe does need a sufficient slope.

Do you need a flange for a linear shower drain?

To meet most waterproofing standards, a linear shower drain requires a flange, but there are some waterproofing techniques that don’t require one. When in doubt, always check your specific drain’s manufacturer’s guide.

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