Shower Bench Seat Framing and Construction for Wedi Fundo Primo (Step-by-Step)

Shower bench seat construction begins with good framing. If framed wrong, a shower bench can lead to water leaks. Today we’ll show step-by-step how to build a shower bench seat with 2x4s.
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In a later video we’ll share how to waterproof the bench with wedi backer boards and tile it with subway tiles. This video is Part 1 of a series of videos showing how to build a curbed subway tile shower.
The first step is to figure out the shower pan dimension. In this example our shower pan was 48" long by 36" wide.
So we made our bench 34 3/4" wide to allow for a slight overhang of the bench top which will be quartz. The depth of the shower bench seat was 12"
Also, we're leaving the existing tile floor. We cut the tile floor to 35 1/8" using Fein's WSG7 angle grinder and Montolit's CGX115 diamond blade.
Be safe while using an angle grinder. Use safety glasses and a good respirator like the Sundstrom silica mask (amzn.to/2BccMlD).
Frame the shower bench such that the 2x4s are 12" on-center and about 20" to 26" high. Use a nail gun or 3" deck screws to connect all the 2x4s.
The shower bench should be level. Shim it if necessary. Anchor the seat to studs with wood blocking if it's between studs. And have blocking for the Wedi backer board.
Apply Liquid Nails to the top of the bench. Then screw a 3/4" plywood seat to the bench.
Watch our video for all the details on how to frame and build a custom shower bench seat using 2x4s.
• Shower Bench Seat Fram...