Gruber Systems supplies a large number of standard and designer Undermount Lavatory Bowl molds for cultured marble and solid surface manufacturing. These standard and designer model bowls are mounted underneath the vanity. 

In addition, we provide a complete line of Speedy Plugs for your convenience that are especially designed for each bowl - available in straight edge or OG styles.

Undermount Bowl Molds include:

20125-104-Access-RECTANGLE

Access Rectangle (Solid Surface)
#20117

20079

Ambassador (FAB-UO)
#20079

No Image 125

Celebrity Undermount
#20165

20078-104-FAB-US-17

Diplomat (Fab-US) 17"
#20078

20124 104 Fluted solid surface

Fluted SS (Solid Surface) 15"
#20124

20121-104-FLUTED solid surface

Fluted SS (Solid Surface) 19"
CAD Data Available
#20121

20122-104-OVAL solid surface

Oval SS (Solid Surface) 16"
#20122

20120-104-OVAL solid surface

Oval SS (Solid Surface) 21"
#20120

200822-104-OVAL

Oval 17"
#200822

20125-104-Access-RECTANGLE

Rectangle
#20125

20131-104-WAVE-1

Wave 25"
Solid Surface (SS)
#20131

201315

Deep Small Wave
Solid Surface (SS)
#201315

Catalog Order Information

 Refer to the mold below for detailed order information by mold:
Note: Females below are No Overflow unless specified otherwise.

"Access" Rectangle Undermount

20117 1   20117 2
 
Description/Order Number
Male
104-10° Access Rectangle - #20117
Female
F-104-10° Access Rectangle - #401178
 

Ambassador Undermount

20079 1  20079 2
 
Description/Order Number
Male
104 Fab-UO Ambassador - #20079
104 Fab-UO Ambassador, with Flange (for use with G-Clamps) - #200791
Female
FFF-FAB 1/2" - #400557
FFF Fab-UO with 1/2" External Overflow - #400557E
Permanent Hat
PH-FAB-UO/US - #00240
 

Celebrity Undermount

A new undermount version of the Floating Bowl Celebrity!
 
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Description/Order Number
Male
104 - Celebrity Undermount - #20165
Female
FFF-Celebrity Undermount - #401657

Diplomat (Fab-US) 17” Undermount

20078 1  20078 2
 
Description/Order Number
Male
104 FAB-US - #20078
Female
FFF-FAB 1/2" - #400557
FFF Fab-UO with 1/2" External Overflow - #400557E
Permanent Hat
PH-FAB-UO/US - #00240
 

Fluted Solid Surface (SS) 15” Undermount

20124 1  20124 2  20124 3
Description/Order Number
Male
104-10° Fluted SS 15” - #20124
Female
F-104 10° Fluted SS 15” - #401248
F-104-10° SS Fluted External Overflow - #401248E
 

Fluted Solid Surface (SS) 19” Undermount

20121 1  20121 2  20121 3
 
This bowl is designed for use with 22" decks.
CAD data is available for this bowl mold
 
Description/Order Number
Male
104-10° Fluted SS 19” - #20121
Female
F-104 10° Fluted SS 19” - #401218
F-104-10° SS Fluted External Overflow - #401218E
 

Oval 17” Solid Surface Undermount

200822 1  200822 2
 
Description/Order Number
Male
104-10° Oval - 14 x 17” - #200822
Female
F-104-10° Oval - #4008228
F-104-10° Oval w/ External Overflow - #4008228E
 

Oval Solid Surface (SS) 16” Undermount

20122 1  20122 2
Note: This solid surface undermount bowl mold is typically used on 19" deep vanity decks.
 
Description/Order Number
Male
F-104-10° Oval Solid Surface 16" Undermount - #20122
Female
F-104-10° Oval Solid Surface 16" - #401228
F-104-10° Oval Solid Surface 16" with External Overflow - #401228E
 

Oval Solid Surface (SS) - 21” Undermount

20120 1  20120 2
 
Note: This solid surface undermount bowl mold is typically used on 22" deep vanity decks.
 
Description/Order Number
Male
F-104-10° Oval Solid Surface 21" Undermount - #20120
Female
F-104-10° Oval Solid Surface - #401208
F-104-10° Oval Solid Surface with External Overflow - #401208E
 

Rectangle Undermount

20125 1  20125 2
 
Description/Order Number
Male
104-10° Rectangle Undermount Bowl - #20125
Female
F-104-10° Rectangle - #401258
F-104-10° Rectangle External Overflow - #401258E
 

Wave 1 - 25" Solid Surface (SS) Undermount

20131 1  20131 2
Description/Order Number
Male
104 Wave 1 - #20131
Female
Female (FFL) 104 Wave 1, No Overflow - 401318
Female (FFL) 104 Wave 1, Front Center Overflow - 401319
Female (FFL) 104 Wave 1, Overflow Left Side - 401320
Female (FFL) 104 Wave 1, Overflow Right Side - 401321
 

Deep Small Wave Solid Surface (SS) Undermount

201315 1  201315 2  201315 3
Cast Weight approx. 20 lbs.
 
Description/Order Number
Male
104 Wave Deep Small Undermount - #201315
Female
Female (FFL) 104-10Deg Deep Small Wave, No Overflow - 4013158
Female (FFL) 104-10Deg Deep Small Wave, Front Center Overflow - 4013159
Female (FFL) 104-10Deg Deep Small Wave, Overflow Left Side - 4013160
Female (FFL) 104-10Deg Deep Small Wave, Overflow Right Side - 4013161
 

Before you Order a Mold:

  • Mold Construction Choice (Metamold or Vinyl Ester) - All molds can be ordered in our premium Metamold gelcoat, or more affordable Vinyl Ester gelcoat finishes. To order as Metamold, add an M to the end of the order numbers provided. To order as a Vinyl Ester version, add a V to the end of the number.

  • Female Mold Options - Most molds require a female mold or mold alternative. Learn about the types and differences here.

  • Mold Break-in Instructions - Gruber molds are preconditioned for your convenience. Learn how you should break in your new Gruber Mold.

  • Mold Track Option - Order your Gruber mold with Mold Track to easily move your molds through your production line