Gruber offers these bath tub molds in a range of styles, shapes and sizes:

Oval Drop-in Bathtub Molds

Mark 17 Oval Bathtub mold

Mark 17
#29017, 290172

Mark 21-98 Oval Bathtub mold 29021-98 290212-98

Mark 21-98
#29021-98, 290212-98

Mark 44 Oval Bathtub mold 29044

Mark 44
#29044

Mark 60 Oval Bathtub mold 29060

Mark 60
#29060

Rectangular Drop-in Bathtub Molds

Mark 9 Bathtub mold 29009

Mark 9
#29009

Mark 18 Bathtub mold 29018

Mark 18
#29018

Mark 38 Bathtub mold

Mark 38
#29038

Freestanding Clawfoot Tubs

Sadie-I-tn
Sadie I
#66573
 
 

Catalog Order Information

The information below shows all related females, as sell as accessories such as Speedy Plugs, etc for each male  mold listed.
 

Mark 9 Rectangular Tub

29009 1  29009 2  29009 3
Description/Order Number:
Male
Mark 9 Tub 32 x 60 x 19" - #29009
Female
F-Mark 9 One Piece - #490098
F-Mark 9 Turtle - #490093
Lightweight Female 1/2"
ULFF Mark 9 - #490099
ULFF Mark 9 Insert - #4900991
 
Specifications:
Cast Tub Weight (Cultured Marble) = 265 lb (120 kg)
Volume (Maximum Water Capacity) = 55 gallons (208 liters)
 
Downloads:
 

Mark 17 Oval Tub

29017-Mk-17draw
Description/Order No.
Male
Mark 17 Tub 42 x 73 x 19” - #29017
Mark 17 Floater - #290172
Female
F-Mark 17 Floater - #4901728
F-Mark 17 One Piece - #490178
F-Mark 17/28 Turtle - #490173
Lightweight Female 1/2”
ULFF Mark 17 - #490179
ULFF Mark 17 Insert - #4901791
Options:
Mold Track, 73" - #OP057
 
Specifications:
Cast Tub Weight (Cultured Marble) = 330 lb ( kg)
Volume (Maximum Water Capacity) = 79 gallons (approx. 300 liters)
 
Downloads:
 

Mark 18 Rectangular Tub

29018-Mk18
Description/Order Number:
Male
Mark 18 Tub 36 x 60 x 19" - #29018
Female
F-Mark 18 One Piece - #490188
F-Mark 18 Turtle - #490183
Lightweight Female 1/2"
ULFF Mark 18 - #490189
ULFF Mark 18 Insert - #4901891
Options:
Mold Track, 61" - #OP061
 
Specifications:
Cast Tub Weight (Cultured Marble) = 245 lb ( kg)
Volume (Maximum Water Capacity) = 60 gallons (227 liters)
 
Downloads:
 

Mark 21-98 Oval Bathtub

29021-98-Mk21-98-Webdetail
Description/Order No.
Male
Mark 21 Texture Bottom - #29021-98
Mark 21 Textured Floater - #290212-98
Female
F-Mark 21 One Piece - #490218
F-Mark 21 Turtle - #490213
Lightweight Female 1/2”
ULFF Mark 21 - #490219
ULFF Mark 21 Insert - #4902191
Options:
Mold Track, 61" - #OP061
 
Specifications:
Cast Tub Weight (Cultured Marble) = 295 lb ( kg)
Volume (Maximum Water Capacity) = 65 gallons (246 liters)
 
Downloads:
 

Mark 38 Rectangular Tub

29038-Mk38
Description/Order Number:
Male
Mark 38 Tub 36 x 72 x 19" - #29038
Female
F-Mark 38 One Piece - #490388
F-Mark 38 Turtle - #490383
Lightweight Female 1/2"
ULFF Mark 38 - #490389
ULFF Mark 38 Insert - #4903891
Options:
Mold Track, 61" - #OP061
 
Specifications:
Cast Tub Weight (Cultured Marble) = 340 lb (155 kg)
Volume (Maximum Water Capacity) = 75 gallons (285 liters)
 
Downloads:
 

Mark 44 Oval Tub

29044-copy

 MK44install 1  MK44install 2

Description/Order No.
Male

Mark 44 Corner Tub 60 x 60 x 19-1/4” - #29044
Female
F-Mark 44 One Piece - #490448
F-Mark 44 Turtle - #490443
Lightweight Female 1/2”
ULFF Mark 44 - #490449
ULFF Mark 44 Insert - #4904491
 
Specifications:
Cast Tub Weight (Cultured Marble) = 340 lb (154 kg)
Volume (Maximum Water Capacity) = 75 gallons (284 liters)
 
Downloads:
 

Mark 60 Oval Tub

mark-60

Description/Order No.
Male
Mark 60 Oval Drop In Tub 40 x 60” - #29060
Lightweight Female 1/2”
Insert - Mark 60 Oval Drop In Tub 40 x 60” - #4906091
ULFF - Mark 60 Oval Drop In Tub 40 x 60” - #490609
Options:
Mold Track, 61" - #OP061
 
Specifications:
Cast Tub Weight (Cultured Marble) = 165 lb (75 kg)
 
Downloads: 
 

Sadie I Clawfoot Freestanding Tub

Sadie-I-(0702EX103)1

Description/Order No.
Male

Sadie I 65" x 36" Tub - #66573
Female
Insert (Turtle) - #8657381
FFL - Sadie I - #865738
Options:
Mold Track, 61" - #OP061
 
Consumable Supplies:
Clawfoot, aluminum (not gelcoated) (each) - four required for each cast tub - #070200

See Sadie Clawfoot page for Clawfeet options (purchased separately)

Specifications:
Cast Tub Weight (Cultured Marble) = 170 lb (77 kg)
 
Downloads:
 

Legacy (discontinued) mold model information:
 
Note: The following oval tubs have been discontinued - Mark 14, Mark 15, Mark 16, Mark 17-98, Mark 19, Mark 21-98, Mark 22, Mark 26, Mark 28, Mark 29, Mark 42, Mark 45, Mark 50, Mark 51 Self-Rimming, Mark 52, Mark 53, Mark 54, Mark 55, Mark 58, Mark 59 and Oval Humpback (Mark 75). Drawings/specifications for all Gruber bathtub molds can be found here.

Note: The following rectangular tubs have been discontinued - Mark 8, Mark 12, Mark 13, Mark 19, Mark 20, Mark 23, Mark 24, Mark 25, Mark 27, Mark 30, Mark 34, Mark 35, Mark 36, Mark 37, Mark 39, Mark 43, Mark 46 and Mark 49. Drawings/specifications for all Gruber bathtub molds can be found here.


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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