INSTALLATION GUIDE
Thick/Uneven Mortar Bed? Click Here to Skip to INSTALLING WITH A THICK MORTAR BED.
Installing with INNI? Click Here to Skip to INSTALLING SHADOW KERB WITH INNI.
1. Apply surface waterproofing membrane to the entire shower floor and walls, extending at least 6″ into the adjacent dry/non-shower area.
2. Cut the Curb to fit wall-to-wall, leaving a minimum 3/16″ gap at each end for sealant.
Example: For a 40″ opening, cut the Curb to 39-5/8″.
3. After Curb is cut, snap End Plugs into place.
Important: The Curb is asymmetrical—it has a ‘foot’ (extended base) on one side.
-
-
- Always position the foot on the dry/non-shower side to ensure proper
drainage. - When measuring and marking, always use the non-foot side.
- Always position the foot on the dry/non-shower side to ensure proper
-
4. Using the non-foot side of the Curb as a guide, chalk or draw a line on the floor where the Curb guide will be located.
Note: The Mounting Bar sits back 1/16″ from the face of the Curb.
5. Lay out Mounting Bars along the guideline (with 1/8″ – 1/4″ between each Mounting Bar to allow for sealant). Cut Mounting Bars as needed to fit.
Keep at least two Mounting Holes in each Mounting Bar.
6. Remove any dust or debris from the substrate and Mounting Bars.
Approved Urethane Sealants
- 3M 5200
- 3M 4200 FC
- 3M 540
- Tremco Dymonic 100
- Hydroblok Joint Sealant
- Sikaflex 1A
- Sikaflex 211
- Sikaflex 221
- Sikaflex 291
- Lexel
- Go Board Pro Sealant
- DAP Polyurethane
- Construction Sealant
- DAP Dynaflex 800
- Loctite UR 3371
- MasterSeal NP1
- Bostik 915
- Mapei Mapeflex P1
- Laticrete Hydroban Adhesive
- CRL Polyurethane
- Loctite Window Door
& Siding Sealant (S40)
7. Apply a continuous 3/8″ bead of urethane sealant on the side of the guideline where your Curb will be installed.
It should be 1/2″ in from the line you made in step 4.
8. Bed the Mounting Bars into the urethane sealant. Adjust the Mounting Bars as needed so they are in a straight line. Fasten them to the floor using provided screws.
(If attaching to concrete use TapCon flat head or similar screw 3/16″ x 1-1/4″. (Not included)).
9. Apply a generous bead of urethane sealant to the top of the fastened Mounting Bars and up each wall 1″.
10. Before sealant dries, install the Curb.
With the Foot Side of your Curb facing the dry side, start at one end and press Curb onto Mounting Bars.
11. Apply urethane sealant between the end of the Curb and the wall. Remove any excess sealant that might interfere with the Curb Cap, glass, or tile.
12. Install tile on floor & walls.
13. Fold provided Glass Support and place in Curb Channel where glass will be.
Installing without glass?
Skip to Step 15.
Skip to Step 15.
14. Set glass inside Glass Support & add a continuous bead of silicone on each side of the glass where it meets the Curb.
Remove excess silicone.
15. Wherever you’re not using glass, cut Curb Cap to length. Use a small bead of clear silicone to help secure Curb Cap in place.
16. Install Curb Cap and wipe off any excess sealant.
- Allows the mortar bed to be higher than the bathroom floor.
- Eliminates the need for costly structural framing modifications and allows for larger showers by providing additional height.
1. Apply surface waterproofing over the entire shower floor, walls, and along the outside of the slope, with at least 6″ into the dry side of the shower.
2. Cut the Curb to fit wall-to-wall, leaving a minimum 3/16″ gap at each end for sealant.
Example: For a 40″ opening, cut the Curb to 39-5/8″.
3. After Curb is cut, snap End Plugs into place.
Important: The Curb is asymmetrical—it has a ‘foot’ (extended base) on one side.
-
-
- Always position the foot on the dry (outside/non-shower) side to ensure proper
drainage. - When measuring and marking, always use the non-foot side.
- Always position the foot on the dry (outside/non-shower) side to ensure proper
-
4. Using the non-foot side of the Curb as a guide, chalk or draw a line on the floor where the Curb guide will be located.
Note: The Mounting Bar sits back 1/16″ from the face of the Curb.
5. Lay out Mounting Bars along the guideline (with 1/8″ – 1/4″ between each Mounting Bar to allow for sealant). Cut Mounting Bars as needed to fit.
Keep at least two mounting holes in each Mounting Bar.
6. Remove any dust or debris from the substrate and Mounting Bars.
Approved Urethane Sealants
- 3M 5200
- 3M 4200 FC
- 3M 540
- Tremco Dymonic 100
- Hydroblok Joint Sealant
- Sikaflex 1A
- Sikaflex 211
- Sikaflex 221
- Sikaflex 291
- Lexel
- Go Board Pro Sealant
- DAP Polyurethane
- Construction Sealant
- DAP Dynaflex 800
- Loctite UR 3371
- MasterSeal NP1
- Bostik 915
- Mapei Mapeflex P1
- Laticrete Hydroban Adhesive
- CRL Polyurethane
- Loctite Window Door
& Siding Sealant (S40)
7. Apply a continuous 3/8″ bead of urethane sealant on the side of the guideline where your Curb will be installed.
It should be 1/2″ in from the line you made in step 4.
8. Bed the Mounting Bars into the urethane sealant. Adjust the Mounting Bars as needed so they are in a straight line. Fasten them to the floor using provided screws.
(If attaching to concrete use TapCon flat head or similar screw 3/16″ x 1-1/4″. (Not included)).
9. Apply a generous bead of urethane sealant to the top of the fastened Mounting Bars and up each wall 1″.
10. Before sealant dries, install the Curb.
With the Foot Side of your Curb facing the dry side, start at one end and press Curb onto Mounting Bars.
11. Apply urethane sealant between the end of the Curb and the wall. Remove any excess sealant that might interfere with the Curb Cap, glass, or tile.
12. Install tile on floor & walls.
13. Fold provided Glass Support and place in Curb Channel where glass will be.
Installing without glass?
Skip to Step 15.
Skip to Step 15.
14. Set glass inside Glass Support & add a continuous bead of silicone on each side of the glass where it meets the Curb.
Remove excess silicone.
15. Wherever you’re not using glass, cut Curb Cap to length. Use a small bead of clear silicone to help secure Curb Cap in place.
16. Install Curb Cap and wipe off any excess sealant.
1. Before wall tile is installed, a generous bead of sealant must be placed behind the wall tile and beneath the Shadow Kerb to prevent water migration.
2. Install wall tile
3. Locate the two Offset Alignment Tools
(included with each Shadow Kerb).
(included with each Shadow Kerb).
4. Slide and twist Offset Alignment Tool into slot perpendicular to each Mounting Bar.
5. Lay out Mounting Bars along the drain with 1/8″ – 1/4″ between each Mounting Bar to allow for sealant. Cut Mounting Bars as needed to fit.
Keep at least two mounting holes in each Mounting Bar.
6. Using Offset Alignment Tool to verify the distance of each Mounting Bar. Pre-drill holes.
Approved Urethane Sealants
- 3M 5200
- 3M 4200 FC
- 3M 540
- Tremco Dymonic 100
- Hydroblok Joint Sealant
- Sikaflex 1A
- Sikaflex 211
- Sikaflex 221
- Sikaflex 291
- Lexel
- Go Board Pro Sealant
- DAP Polyurethane
- Construction Sealant
- DAP Dynaflex 800
- Loctite UR 3371
- MasterSeal NP1
- Bostik 915
- Mapei Mapeflex P1
- Laticrete Hydroban Adhesive
- CRL Polyurethane
- Loctite Window Door
& Siding Sealant (S40)
7. Apply a generous bead of sealant on the dry side of the slot where the Curb will be installed.
8. Butt Mounting Bar up against Offset Alignment Tool and press down into urethane sealant.
9. Using provided screws, secure Mounting Bars to drain.
(If attaching to concrete use TapCon flat head or similar screw 3/16″ x 2″. (Not included)).
(If attaching to concrete use TapCon flat head or similar screw 3/16″ x 2″. (Not included)).
10. Apply a generous bead of urethane sealant to the top of the fastened Mounting Bars and up each wall 1”.
11. Before sealant dries, install the Curb.
With the Foot Side of your Curb facing the dry side, start at one end and press Curb onto Mounting Bars.
12. Apply urethane sealant between the end of the Curb and the wall. Remove any excess sealant that might interfere with the Curb Cap, glass, or tile.
13. Install tile on floor & walls.
14. Fold provided Glass Support and place in Curb Channel where glass will be.
Installing without glass?
Skip to Step 16.
Skip to Step 16.
15. Set glass inside Glass Support & add a continuous bead of silicone on each side of the glass where it meets the Curb.
Remove excess silicone.
16. Wherever you’re not using glass, cut Curb Cap to length. Use a small bead of clear silicone to help secure Curb Cap in place.
17. Install Curb Cap and wipe off any excess sealant.