Linear Drain Foam Pan Installation Guide

STEP 1: Clean and level substrate

Follow all ANSI 108.01 guidelines for substrate prep. Begin with a dry and structurally sound subfloor. Repair any water damage, rotting, or other structural defects before installing the Everbilt WaterShield shower base. Ensure the subfloor is clean and level for successful installation. Use a level to check the subfloor; it must be level for the Everbilt WaterShield shower base to drain correctly.

Illustrations showing substrate preparation and leveling.

STEP 2: Cut the drain pipe

Cut the drain pipe 7/8" to 1" below the subfloor using an internal PVC pipe cutter drill bit.

Images showing the drain pipe cutting process.

STEP 3: Cut the hole for the drain

Cut a 5" hole centered on the drain pipe. The hub adapter must sit 1/16" below the substrate surface. Ensure the drain pipe is properly secure.

Image showing the 5-inch hole cut for the drain.

STEP 4: DRAIN ASSEMBLY

Follow steps A-C for drain assembly:

Insert threaded drain tube down through the hole in the trough.
Place the down tube with the rubber gasket under the trough and screw onto the threaded drain tube. Use the red down tube installation tightening tool to tighten from the top.
Leave the red tightening tool in place until ready for tile.

Diagrams illustrating the drain assembly steps A, B, and C.

STEP 5: Dry fit pan and drain fitting

Dry fit the pan and drain fitting to ensure proper fit to framing and walls, and to confirm the drain is centered.

Images showing dry fitting the shower pan and drain.

STEP 6: Apply mortar and set shower base

Mix an ANSI-certified modified mortar suitable for the subfloor according to the manufacturer's specifications. To ensure full coverage, use a 1/4" square notched trowel and apply mortar to the floor. Flat trowel the backside of the Everbilt WaterShield shower base, ensuring the mortar is troweled in the same direction. Set the Everbilt WaterShield shower base into place. Ensure a level perimeter on a 4-sided slope pan (envelope design) or a level back and drain side on a single slope pan (end and off-set drain style).

Images showing mortar application and setting the shower base.

STEP 7: Apply construction adhesive

Place ample Multipurpose Construction Adhesive between the shower pan and the wall and curb. Thinset may also be used.

Images showing the application of construction adhesive.

STEP 8: Install grate and strainer

Using the red tightening tool, loosen and remove the threaded down tube. Place the appropriate self-adhesive adjustment spacers into the trough. Dry fit the grate cradle and adjust spacers or a combination of spacers to set the appropriate height according to the tile thickness.

Once height and spacers are set, screw the threaded drain tube through the grate cradle and trough and tighten firmly. Remove the red tightening tool and install the strainer.

Install the drain grate using the appropriate drain grate supporting clips.

Diagrams illustrating steps A through E for installing the grate and strainer, including components like Threaded Down Tube, Spacers, Grate Cradle and Trough, Strainer, Sq. Punch Drain, and Drain Grate Supporting Clips.

Illustrations of different drain types: Envelope Linear Drain, Smart Linear Drain, Top Linear Drain, and Tileable Drain, along with associated components like Drain Grate Supporting Clips, Drain Gate Tileable Clip, Down Tube Insert Tool, Rubber Gasket Down Tube, Self Adhesive Sq. Punch Support Clips, Strainer Removal Tool, Threaded Drain Tube, and Strainer.

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