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Fundo Primo

Fundo Primo

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„Floor-level shower elements for effective use of space.“

Produktinformasjon

Internally waterproof and pre-sloped shower floor base with factory integrated and waterproofed point drain connection for fast track installations that eliminate the many different steps and products involved in traditional mortar bed or semi pre-fabricated sheet – or liquid membrane system installations .

Fundo Primo can be customized in the field and cut to size fitting shower stalls smaller than the nominal size of the product. Fundo Primo is available in select sizes featuring centered and off-centered drain options.

The bases come with even perimeter thickness for easy recessing into subfloor construction while curbs can be used with Fundo Primo as well. Fundo Primo can be directly tiled over upon installation and there is no limitation to the size of tile or type of tile and cement based tile setting materials selected.

Fundo Primo is available with select drain cover options. Due to the precise slope fields of the Fundo Primo, large or small format tile may be used. Within each slope field the tile will be fully supported over an even yet sloped surface. Where slope fields meet, grout lines should be designed when using tile larger than 100 x 100 mm as these should not span across two slope fields.

  • 100% waterproof due to its extruded polystyrene ( closed cell) foam core
  • 100% mold and mildew proof due to the product ‘s natural composition.
  • Precisely pre-sloped and ready to tile surface made of reinforcing fiberglass mesh embedded in a heavy duty cement resin coating performing as a strong tile backing and strong enough surface to work on during system installation and prior to tiling
  • High insulating properties due to its extruded polystyrene core giving tile or stone finish surfaces a warmer touch.
  • Extremely lightweight due to its rigid foam core benefitting installations over older structures and handling on construction sites.
  • Easy and clean to cut to size using a circular saw or handsaw.
  • Installation is extremely fast and safe due to the one piece shower base application. The product or installation requires no curing times allowing for a continuous installation process.
  • Drain covers are height adjustable for a perfect finish with the tile selected
  • No limitation to use of tile sizes or the type of tile
  • No limitation to use of cement based thinset mortars and grouts. Product works perfectly with polyurethane or epoxy based grouts.

Film: Fundo Primo

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Technical properties - Fundo Primo

Drain Technical Properties

Factory integrated drain connection valve in shower base and field installed compression fit drain unit including DN50 Adapter provided for each system. Drain unit seals to all DN50 floor pipes.


Fundo Primo Shower Base Material XPS/ Extruded Polystyrene Foam Core covered with fiberglass mesh fully embedded in a cement based resin coating
Surface Burning Characteristics; ASTM E84-04 and UL 1715 Passed
Tensile Strength ( Thinset Mortar to wedi Coating to Foam); ASTM C297 0.45 N/mm²
Shear Strength (Thinset Mortar to wedi Coating to Foam); within ANSI 118.10-1999; wet conditions 0.37 N/mm²
Flexural Strength; ASTM C947 4.32 N/mm²
Waterproofness of Assembled System; IAPMO PS 106-2015 Passes
Drain Assembly Kit, WaterMark Passes
Temperature Exposure Limits -50 C to + 80 C
Long-term compressive strength (50 years) ≤ 2% compression EN 1606 0.08 N/mm²
Compressive resistance or compressive strength at 10% compression EN 826 0.25 N/mm²
Fungus & Bacteria Resistance No Growth , Passes
Robinson Floor Test; ASTM C627 *with 200 x 200 x 6 mm Porcelain Tile Heavy Duty Commercial Use, Passes
R-Value, ASTM C518 25mm of wedi foam = 4.3

Produktstørrelser

Best.nr. Betegnelse Lengde x bredde x tykkelse
073735507 wedi Fundo Primo, square floor element, central drain 914 × 914 mm
073735505 wedi Fundo Primo, square floor element, central drain 1220 × 1220 mm
073735518 wedi Fundo Primo, square floor element, central drain 1524 × 1524 mm
073735524 wedi Fundo Primo, square floor element, central drain 1830 × 1830 mm
073735516 wedi Fundo Primo, rectangular floor element, central drain 914 × 1220 mm
073735506 wedi Fundo Primo, rectangular floor element, central drain 914 × 1524 mm
073735509 wedi Fundo Primo, rectangular floor element, central drain 1220 × 1524 mm
073735508 wedi Fundo Primo, rectangular floor element, central drain 1220 × 1830 mm
073735519 wedi Fundo Primo, rectangular floor element, central drain 1524 × 1830 mm
073735522 wedi Fundo Primo, rectangular floor element, central drain 1220 × 2134 mm
073735523 wedi Fundo Primo, rectangular floor element, central drain 1524 × 2134 mm
073735525 wedi Fundo Primo, rectangular floor element, central drain 914 × 1830 mm
073735521 wedi Fundo Primo, rectangular floor element, offset drain (incl. drain) 914 × 1830 mm
073735526 wedi Fundo Primo, rectangular floor element, offset drain (incl. drain) 1524 × 1830 mm

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Areas of use Fundo Primo

  • New Construction of Residential/Commercial use buildings
  • Renovation in Residential/Commercial use buildings
  • For barrier free or curbed installations
  • For customized or standard tiled showers
  • Over wooden or concrete substructures

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