Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5") PNL Liners
Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5") PNL Liners
Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5") PNL Liners
Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5") PNL Liners
Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5") PNL Liners
Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5") PNL Liners

Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5")

Prix de vente$264.09
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Fast Ship: Usually takes 1-2 business days to ship out.
Ships from Utah
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Ships via FedEx/UPS only

Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5")

  • Length: 19.75" (Across)
  • Width: 11" (Front-To-Back)
  • Depth: 5 1/2" (At Drain)
  • Sides of Molds have at least a 5° slope to ensure Mold removal from concrete.

    Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5"):

    • Our SDP (Super Durable Polyurethane) Line of Sink Molds are made from the highest grade Polyurethane Rubber.  Won't chip and crack like fiberglass, and much easier to get out of concrete after casting. A lifetime of reusability.
    • The Tumulus Sink Mold for concrete sink fabrication.
    • The Tumulus is a half-barrel shape, smooth flowing to a central drain.
    • Small style drain for bathroom lavatory size drains. Each rubber Sink Mold comes with a reusable Rubber Drain Knockouts (1.5" size) to be used for the drain hole (simply silicone the rubber plug onto the drain area of the mold).
      • IMPORTANT NOTE: Regarding the metal drain hardware that goes into a finished concrete sink- not all drain stoppers are a good fit!  Since the popularity of online ordering, plumbing code is basically out the window now.  With Amazon, people can order drains in all sorts of random sizes, many which don't fit in the recessed flange area of a sink.  For most concrete molds with a flange built into the mold itself, it's best to use a drain hardware piece that has a max diameter on the metal flange (top part that you see in the finished sink) of 2.25".  The 'body' of the drain that fits down the hole should be under 1.5" (ideally around 1.4" to fit easily).  We routinely purchase and use these Drain Stoppers from Amazon (sold here).
    • Create a seamless integral concrete sink and counter top, or form around to create a vessel sink.
    • All our molds have Lifetime Guarantee against defect. This Guarantee does not cover misuse of the Molds (Dropping the Mold, Prying the Mold out using a screwdriver, Driving onto it with a truck tire... etc.).
    • Expressions LTD will not be held liable for any damage, misuse, or collateral damages resulting from use of any of our products. If there is a flaw or defect with a product, we will fix or replace the product.

    Mold Use:

    • Watch videos of Mold Setup, Casting, and De-Molding/Removal on our YouTube Video Page.
    • A basic Sink Mold Instruction sheet is available here.
    • Rubber molds may have a little oil on them when you receive them, from our manufacturing process.  Clean off any oil with a mild cleaner and paper towels.  Once clean, apply Mold Release Wax.  Lots of coats of wax will help get mold out easier!  You may want to lightly sand the mold by hand with 200 or 400 grit sandpaper, to give it a little more surface to 'hold' the wax: To wax the mold, apply 5 coats of Mold Release Wax to the mold, lightly buffing between coats once it hazes.
    • Apply small amounts of silicone to the Mold's bottom, and set in place in your form. Allow silicone to dry.
    • Screws can be used to secure the Mold if necessary. Using screws of the appropriate length, screw through the bottom of the form, up into the bottom of the Sink Mold.
    • Run a smooth silicone bead around perimeter of the Sink Mold, where it meets the form base (using a tool such as our Caulking Ball Tool makes this process very clean and easy). 
    • Apply a thin coat of Rubber Safe Form Release to the Mold just prior to casting the concrete piece.

    Concrete Casting: 

    • Various methods can be used to cast the concrete piece. View our Concrete Recipe section for tips on concrete mixes.
      • GFRC: Cement and fiberglass is sprayed on and hand packed into the form and around the Mold.
      • Wetcast: Oatmeal consistency concrete is placed in form and around the Mold and vibrated. A simple box should be built around the Sink Mold, to contain the concrete during this process.
      • Hand Packed: A drier concrete mix is hand packed into the form and around the Mold. A second step after de-molding will fill the voids with cement slurry, usually of a different coloring.
    • Any voids in the finished concrete can be filled using a Cement Slurry.

    Mold Removal:

    • If the steps above were followed for the Mold Setup, then most Molds will usually pull out of the concrete with little effort.
    • If the mold is difficult to remove, try:
      • Compressed air shot around the Mold rim will break the suction holding the Mold in the concrete.
      • Most Molds can be pushed out of the concrete by removing the drain piece, and pushing the Mold out through the drain hole.
      • Rubber type molds are usually stuck in concrete like an air-suction.  Sliding a very thin plastic putty knife between concrete and mold is usually all it takes to release the air suction on a very stuck mold.

    Clean-up and Care of The Concrete Sink Mold SDP-19 Tumulus Barrel (19.75"x11"x5.5"):

    • Clean Mold with a sponge after each use. Any dried cement residue can be removed with a scotch-brite pad (as outlined above in the Mold Setup section. A light muriatic acid wash (20:1, 20 parts water to 1 part muriatic acid) can also remove cement scale.
    • Waxing and buffing the Mold after cleaning it use is recommended to protect the Mold until its next use.

      Customer Reviews

      Based on 5 reviews
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      J
      Jeff Goodman
      Sink Mold

      The mold showed up on time, was very easy to use and of high quality. I can see using this mold for a very long time! This is a second review to add pictures.

      A
      Andrew Judd
      Half way round the world

      Expressions -LTD sent my sink mold Half way around the world to Australia for me fast and effectively. Great service

      R
      Robert Pierce
      High WOW factor

      This mold, while a bit pricey to start, makes an awesome bathroom countertop. My father has been a lifetime handyman mostly with wood, he still comments every time he comes over. While the price is a concern, still cheaper... I think anyway... than the hassle of trying to make your own. It's like golf clubs... once you buy it, that part of the ongoing expense is done with. Clean it, take care of it, use it for a looooong time after purchase.

      Good value, awesome look to the sink.

      A
      Alex Taylor
      Appropriate title

      Product came in a timely fashion. Useable rite out of the box. No flaws. We have purchased multiple times.

      R
      Randy Poland
      sink mold

      I just received the mold and have not used it. The quality of the mold looks good. Service is friendly. Pleasant folks to talk to on the phone. No scratches on this one as on the last one.