Wedi Shower Base Extensions - Fundo Primo or Fundo Riolito

Wedi Shower Base (Pan) Extensions are designed for use with Wedi shower bases and extend the predefined slope further for showers with larger footprints.
As low as $233.70

Brand: Wedi

Availability: Sold In Store - Ships From Store (More Info)

Shipping: Free to commercial address to Continental US (More Info)

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Wedi Shower Base Extensions are floor-level Wedi Shower Pan extensions designed for use with Fundo Primo and Fundo Riolito Neo shower bases. These extension panels are designed to interlock with Wedi Fundo Primo shower bases or pans and 4-way slope Fundo Riolito neo bases. The installation height must be increased if connected to Fundo and Ligno shower bases thicker than 1.5" at the perimeter.

Wedi Shower Base Extensions come in two sizes:


Wedi Shower Base Extensions Quick Specs:

73783528 24" x 48" ; sloped 1/4" / ft along 24" length One-way slope
US3000036 12" x 72" ; sloped 1/4" / ft along 12" length One-way slope


Wedi Shower Base Extensions Features:

  • Works with Fundo Primo and Fundo Riolito Neo shower bases
  • Uniform predefined slope
  • Entire system is 100% waterproof
  • Simple and safe to work with - tested by those in the trade

Download Safety Data Sheet - Fundo Shower Systems
Download Wedi Limited Warranty
Download Technical Handbook

More Information
Non-Returnable Yes
Manufacturer Wedi
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Customer Questions
Could I use the 36 .in X 60 .in wedi fundo primo shower kit, along with this 48 .in X 24 .in wedi shower base extension, to create a 36 .in X 84 .in shower base?
Yes, you would just cut 12 .in off the 48 .in side. You still want to maintain the lip at the edge, checkout the video at the bottom of the product page. These extensions are sloped but cutting the longer side to fit still maintains the slope in the right direction.
Could you add the 73783528, 24 .in x 48 .in base extension on the 075100015, 48 .in x 60 .in Fundo Riolito shower pan to make a 48 .in x 84 .in sloped shower pan?
Yes, (075100012) you had wrong # for the, 48 .in x 60 .in Fundo Riolito shower pan. This is a four way sloped pan and at the edge the slope starts from the corners so a sloped extension would fit perfectly.
Can this base extension be used with curbless Fundo Ligno pan?
This extension is too thick to be used with Fundo Ligno bases. There is a Fundo Ligno specific base. The SKU is W_FL_EXT so simply search for that and you will find it.
Can the extension be used to make a 36 x 72 offset drain 40 x 72?
Yes, you would use the 12 x 72 Extension. Does the 4 inches need to be added on one side or 2" inches on either side? The Extension is sloped on the 12 inch side, so if you cut it in 2 inch strips one would be slightly wider than the other, and you may need to build up the thinset on one side a bit to even it out.
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