Skip to main content

Final Pan Installation and Securing — Install Board and Apply Sealant

Beginner8 hours

Part of project

How to Install a Waterproof Foam Shower Niche · Step 4 of 6

Helpful?

In this video

Carefully lower the shower pan assembly into the stall, guiding the drain pipe into the floor opening. Ensure the back of the pan rests securely on the ledger board and the entire pan is pushed tight against the studs. Confirm the pan is still level. Secure the pan by driving screws with washers through the built-in holes in the flanges and into the wall studs on all sides. The installation is now complete and ready for the backer board and tile.

Goal: Permanently install the shower pan assembly

Used in this video

  • Level (brand: DeWalt, Tool Type: Level Type)Performing a final check to ensure the pan is level after final placement
  • Impact Driver (brand: Milwaukee, Tool Type: Power Tools)Driving screws through the pan's flange into the studs
27.9K views18420 minutes
Home Repair Tutor

671K subscribers

View Channel

FAQs

The project is listed as 'beginner' difficulty, but 8 hours seems like a long time. What makes this project take so long, and is it truly suitable for a first-timer?

While the individual steps are straightforward, the 8-hour estimate accounts for careful measuring, precise framing, allowing sealant to cure, and meticulous waterproofing. Rushing these critical steps can lead to leaks, so taking your time to ensure everything is perfect makes it beginner-friendly by emphasizing accuracy over speed.

The required tools list several different drills. Do I need multiple drill/drivers, or will one standard cordless drill suffice for this project?

You only need one capable cordless drill/driver, such as the RYOBI ONE+ 18V Cordless 1/2 in. Drill/Driver, to complete this project. The multiple listings provide options for suitable tools. Ensure your chosen drill has enough power to drive screws into wood studs and backer board efficiently.

What is the most critical step to ensure the shower niche is completely waterproof and won't leak?

The most critical step is the meticulous waterproofing of all seams, especially where the niche meets the backer board. Apply a continuous bead of high-quality waterproof sealant like DAP Ultra Clear, and then properly embed waterproofing banding over all seams and fasteners. This creates a monolithic, leak-proof barrier essential for preventing water damage.

What if my existing wall studs aren't perfectly spaced for the pre-fabricated niche? Do I need to modify the framing?

Yes, you will likely need to modify your wall framing using 2x4 lumber to create a precise, sturdy opening for the niche. This often involves cutting existing studs and installing horizontal blocking to perfectly frame the niche's dimensions, ensuring a flush and stable installation. Accurate framing is crucial for long-term stability and waterproofing.

Transcript
Hide

Now that the shower drain has been installed as a permanent installation It is now time to carefully Lower that shower pan into place. You don't want to crack the PVC on that drain. So Chris is keeping Real close eye on how carefully he reinstalls that and again is just pushing down getting it right into place It should be a really nice snug fit and then one more time We are checking to verify that it is in fact Level both front to back side to side before we finalize the shower installation The last thing that Chris is going to be doing here is he is taking three inch screws With a small washer attached to it and he is putting just a few screws Carefully nice and slow across the back of that shower pan that helps to keep it in place So that it does not shift or move and of course those screws are going right into those pre-drawn stud marks that he had done So finally this shower is ready for Hardy back and tile and of course a nice warm shower Thank you so much for watching be sure to watch our next video of

Auto-generated transcript. May contain errors.